id	sid	tid	token	lemma	pos
33397	1	1	_	_	NNP
33397	1	2	LRL	LRL	NNP
33397	1	3	Accelerators	Accelerators	NNP
33397	1	4	_	_	NNP
33397	1	5	THE	the	DT
33397	1	6	184-INCH	184-inch	CD
33397	1	7	SYNCHROCYCLOTRON	SYNCHROCYCLOTRON	NNP
33397	1	8	LAWRENCE	LAWRENCE	NNP
33397	1	9	RADIATION	RADIATION	NNP
33397	1	10	LABORATORY	LABORATORY	NNP
33397	1	11	UNIVERSITY	UNIVERSITY	NNP
33397	1	12	OF	of	IN
33397	1	13	CALIFORNIA	CALIFORNIA	NNP
33397	1	14	,	,	,
33397	1	15	BERKELEY	BERKELEY	NNP
33397	1	16	,	,	,
33397	1	17	CALIFORNIA	CALIFORNIA	NNP
33397	1	18	Pub	Pub	NNP
33397	1	19	.	.	.
33397	2	1	No	no	UH
33397	2	2	.	.	.
33397	3	1	2d	2d	CD
33397	3	2	5	5	CD
33397	3	3	M	M	NNP
33397	3	4	June	June	NNP
33397	3	5	1964	1964	CD
33397	3	6	[	[	-LRB-
33397	3	7	Illustration	illustration	NN
33397	3	8	:	:	:
33397	3	9	Synchrocyclotron	Synchrocyclotron	NNP
33397	3	10	Building	Building	NNP
33397	3	11	]	]	-RRB-
33397	3	12	_	_	NNP
33397	3	13	Contents	Contents	NNPS
33397	3	14	_	_	NNP
33397	3	15	Page	Page	NNP
33397	3	16	THE	the	DT
33397	3	17	184-INCH	184-inch	CD
33397	3	18	SYNCHROCYCLOTRON	SYNCHROCYCLOTRON	NNP
33397	3	19	2	2	CD
33397	3	20	PRINCIPLE	PRINCIPLE	NNP
33397	3	21	OF	of	IN
33397	3	22	OPERATION	operation	NN
33397	3	23	OF	of	IN
33397	3	24	A	a	DT
33397	3	25	CONVENTIONAL	CONVENTIONAL	NNP
33397	3	26	CYCLOTRON	CYCLOTRON	NNP
33397	3	27	3	3	CD
33397	3	28	THE	the	DT
33397	3	29	PRINCIPLE	PRINCIPLE	NNP
33397	3	30	OF	of	IN
33397	3	31	PHASE	phase	NN
33397	3	32	STABILITY	STABILITY	NNP
33397	3	33	6	6	CD
33397	3	34	DESIGN	design	NN
33397	3	35	AND	and	CC
33397	3	36	CONSTRUCTION	construction	NN
33397	3	37	OF	of	IN
33397	3	38	THE	the	DT
33397	3	39	184-INCH	184-inch	CD
33397	3	40	SYNCHROCYCLOTRON	SYNCHROCYCLOTRON	NNP
33397	3	41	8	8	CD
33397	3	42	Magnet	magnet	NN
33397	3	43	8	8	CD
33397	3	44	Vacuum	vacuum	NN
33397	3	45	System	system	NN
33397	3	46	9	9	CD
33397	3	47	Ion	Ion	NNP
33397	3	48	Source	source	NN
33397	3	49	10	10	CD
33397	3	50	Radiofrequency	Radiofrequency	NNP
33397	3	51	System	System	NNP
33397	3	52	10	10	CD
33397	3	53	Internal	Internal	NNP
33397	3	54	Targets	Targets	NNPS
33397	3	55	and	and	CC
33397	3	56	Beam	Beam	NNP
33397	3	57	Extractor	Extractor	NNP
33397	3	58	12	12	CD
33397	3	59	CYCLOTRON	CYCLOTRON	NNP
33397	3	60	EXPERIMENTS	EXPERIMENTS	NNP
33397	3	61	15	15	CD
33397	3	62	Nuclear	Nuclear	NNP
33397	3	63	Physics	Physics	NNP
33397	3	64	15	15	CD
33397	3	65	Biophysics	biophysic	NNS
33397	3	66	18	18	CD
33397	3	67	Nuclear	nuclear	JJ
33397	3	68	Chemistry	chemistry	NN
33397	3	69	19	19	CD
33397	3	70	BIBLIOGRAPHY	BIBLIOGRAPHY	NNP
33397	3	71	20	20	CD
33397	3	72	APPENDIX	APPENDIX	NNP
33397	3	73	21	21	CD
33397	3	74	THE	the	DT
33397	3	75	184-INCH	184-inch	CD
33397	3	76	SYNCHROCYCLOTRON	SYNCHROCYCLOTRON	VBZ
33397	3	77	His	-PRON-	PRP$
33397	3	78	success	success	NN
33397	3	79	with	with	IN
33397	3	80	the	the	DT
33397	3	81	60-inch	60-inch	CD
33397	3	82	cyclotron	cyclotron	NN
33397	3	83	in	in	IN
33397	3	84	1939	1939	CD
33397	3	85	led	lead	VBD
33397	3	86	Dr.	Dr.	NNP
33397	3	87	E.	E.	NNP
33397	3	88	O.	O.	NNP
33397	3	89	Lawrence	Lawrence	NNP
33397	3	90	to	to	TO
33397	3	91	propose	propose	VB
33397	3	92	a	a	DT
33397	3	93	much	much	RB
33397	3	94	more	more	RBR
33397	3	95	powerful	powerful	JJ
33397	3	96	accelerator	accelerator	NN
33397	3	97	,	,	,
33397	3	98	one	one	CD
33397	3	99	which	which	WDT
33397	3	100	could	could	MD
33397	3	101	produce	produce	VB
33397	3	102	new	new	JJ
33397	3	103	types	type	NNS
33397	3	104	of	of	IN
33397	3	105	nuclear	nuclear	JJ
33397	3	106	rearrangements	rearrangement	NNS
33397	3	107	and	and	CC
33397	3	108	even	even	RB
33397	3	109	create	create	VB
33397	3	110	particles	particle	NNS
33397	3	111	.	.	.
33397	4	1	Grants	grant	NNS
33397	4	2	totaling	total	VBG
33397	4	3	$	$	$
33397	4	4	1,225,000	1,225,000	CD
33397	4	5	permitted	permit	VBN
33397	4	6	work	work	NN
33397	4	7	to	to	TO
33397	4	8	start	start	VB
33397	4	9	on	on	IN
33397	4	10	the	the	DT
33397	4	11	184-inch	184-inch	CD
33397	4	12	cyclotron	cyclotron	NN
33397	4	13	in	in	IN
33397	4	14	August	August	NNP
33397	4	15	1940	1940	CD
33397	4	16	.	.	.
33397	5	1	[	[	-LRB-
33397	5	2	1	1	LS
33397	5	3	]	]	-RRB-
33397	5	4	It	-PRON-	PRP
33397	5	5	was	be	VBD
33397	5	6	designed	design	VBN
33397	5	7	to	to	TO
33397	5	8	accelerate	accelerate	VB
33397	5	9	atomic	atomic	JJ
33397	5	10	particles	particle	NNS
33397	5	11	to	to	IN
33397	5	12	an	an	DT
33397	5	13	energy	energy	NN
33397	5	14	of	of	IN
33397	5	15	100	100	CD
33397	5	16	million	million	CD
33397	5	17	electron	electron	NN
33397	5	18	volts	volt	NNS
33397	5	19	(	(	-LRB-
33397	5	20	Mev	Mev	NNP
33397	5	21	)	)	-RRB-
33397	5	22	,	,	,
33397	5	23	five	five	CD
33397	5	24	times	time	NNS
33397	5	25	that	that	IN
33397	5	26	possible	possible	JJ
33397	5	27	with	with	IN
33397	5	28	the	the	DT
33397	5	29	60-inch	60-inch	CD
33397	5	30	machine	machine	NN
33397	5	31	.	.	.
33397	6	1	[	[	-LRB-
33397	6	2	Illustration	illustration	NN
33397	6	3	:	:	:
33397	6	4	Fig	Fig	NNP
33397	6	5	.	.	.
33397	7	1	1	1	LS
33397	7	2	.	.	.
33397	8	1	The	the	DT
33397	8	2	electromagnet	electromagnet	NN
33397	8	3	under	under	IN
33397	8	4	construction	construction	NN
33397	8	5	during	during	IN
33397	8	6	the	the	DT
33397	8	7	period	period	NN
33397	8	8	1940	1940	CD
33397	8	9	to	to	IN
33397	8	10	1942	1942	CD
33397	8	11	.	.	.
33397	8	12	]	]	-RRB-
33397	9	1	Before	before	IN
33397	9	2	the	the	DT
33397	9	3	new	new	JJ
33397	9	4	cyclotron	cyclotron	NN
33397	9	5	could	could	MD
33397	9	6	be	be	VB
33397	9	7	finished	finish	VBN
33397	9	8	World	World	NNP
33397	9	9	War	War	NNP
33397	9	10	II	II	NNP
33397	9	11	began	begin	VBD
33397	9	12	.	.	.
33397	10	1	Construction	construction	NN
33397	10	2	on	on	IN
33397	10	3	the	the	DT
33397	10	4	cyclotron	cyclotron	NN
33397	10	5	was	be	VBD
33397	10	6	therefore	therefore	RB
33397	10	7	halted	halt	VBN
33397	10	8	.	.	.
33397	11	1	However	however	RB
33397	11	2	,	,	,
33397	11	3	because	because	IN
33397	11	4	of	of	IN
33397	11	5	interest	interest	NN
33397	11	6	in	in	IN
33397	11	7	separating	separate	VBG
33397	11	8	the	the	DT
33397	11	9	isotopes	isotope	NNS
33397	11	10	of	of	IN
33397	11	11	uranium	uranium	NN
33397	11	12	by	by	IN
33397	11	13	the	the	DT
33397	11	14	electromagnetic	electromagnetic	JJ
33397	11	15	method	method	NN
33397	11	16	,	,	,
33397	11	17	work	work	VB
33397	11	18	on	on	IN
33397	11	19	the	the	DT
33397	11	20	giant	giant	JJ
33397	11	21	magnet	magnet	NN
33397	11	22	continued	continue	VBD
33397	11	23	at	at	IN
33397	11	24	an	an	DT
33397	11	25	even	even	RB
33397	11	26	faster	fast	JJR
33397	11	27	pace	pace	NN
33397	11	28	.	.	.
33397	12	1	This	this	DT
33397	12	2	magnet	magnet	NN
33397	12	3	would	would	MD
33397	12	4	contain	contain	VB
33397	12	5	3700	3700	CD
33397	12	6	tons	ton	NNS
33397	12	7	of	of	IN
33397	12	8	steel	steel	NN
33397	12	9	in	in	IN
33397	12	10	its	-PRON-	PRP$
33397	12	11	yoke	yoke	NN
33397	12	12	and	and	CC
33397	12	13	pole	pole	NN
33397	12	14	pieces	piece	NNS
33397	12	15	,	,	,
33397	12	16	and	and	CC
33397	12	17	300	300	CD
33397	12	18	tons	ton	NNS
33397	12	19	of	of	IN
33397	12	20	copper	copper	NN
33397	12	21	in	in	IN
33397	12	22	its	-PRON-	PRP$
33397	12	23	exciting	exciting	JJ
33397	12	24	coils	coil	NNS
33397	12	25	(	(	-LRB-
33397	12	26	Fig	fig	NN
33397	12	27	.	.	.
33397	13	1	1	1	LS
33397	13	2	)	)	-RRB-
33397	13	3	.	.	.
33397	14	1	By	by	IN
33397	14	2	May	May	NNP
33397	14	3	1942	1942	CD
33397	14	4	the	the	DT
33397	14	5	magnet	magnet	NN
33397	14	6	was	be	VBD
33397	14	7	completed	complete	VBN
33397	14	8	.	.	.
33397	15	1	During	during	IN
33397	15	2	that	that	DT
33397	15	3	summer	summer	NN
33397	15	4	it	-PRON-	PRP
33397	15	5	was	be	VBD
33397	15	6	used	use	VBN
33397	15	7	in	in	IN
33397	15	8	a	a	DT
33397	15	9	pilot	pilot	NN
33397	15	10	plant	plant	NN
33397	15	11	to	to	TO
33397	15	12	separate	separate	VB
33397	15	13	the	the	DT
33397	15	14	first	first	JJ
33397	15	15	significant	significant	JJ
33397	15	16	amounts	amount	NNS
33397	15	17	of	of	IN
33397	15	18	U^{235	U^{235	NNP
33397	15	19	}	}	-RRB-
33397	15	20	ever	ever	RB
33397	15	21	obtained	obtain	VBN
33397	15	22	.	.	.
33397	16	1	The	the	DT
33397	16	2	184-inch	184-inch	CD
33397	16	3	magnet	magnet	NN
33397	16	4	remained	remain	VBD
33397	16	5	in	in	IN
33397	16	6	use	use	NN
33397	16	7	in	in	IN
33397	16	8	a	a	DT
33397	16	9	research	research	NN
33397	16	10	and	and	CC
33397	16	11	development	development	NN
33397	16	12	program	program	NN
33397	16	13	at	at	IN
33397	16	14	Berkeley	Berkeley	NNP
33397	16	15	until	until	IN
33397	16	16	the	the	DT
33397	16	17	end	end	NN
33397	16	18	of	of	IN
33397	16	19	the	the	DT
33397	16	20	war	war	NN
33397	16	21	,	,	,
33397	16	22	supplying	supply	VBG
33397	16	23	information	information	NN
33397	16	24	to	to	IN
33397	16	25	Oak	Oak	NNP
33397	16	26	Ridge	Ridge	NNP
33397	16	27	,	,	,
33397	16	28	Tennessee	Tennessee	NNP
33397	16	29	,	,	,
33397	16	30	where	where	WRB
33397	16	31	a	a	DT
33397	16	32	large	large	JJ
33397	16	33	separation	separation	NN
33397	16	34	plant	plant	NN
33397	16	35	had	have	VBD
33397	16	36	been	be	VBN
33397	16	37	erected	erect	VBN
33397	16	38	.	.	.
33397	17	1	Construction	construction	NN
33397	17	2	on	on	IN
33397	17	3	the	the	DT
33397	17	4	rest	rest	NN
33397	17	5	of	of	IN
33397	17	6	the	the	DT
33397	17	7	cyclotron	cyclotron	NN
33397	17	8	was	be	VBD
33397	17	9	resumed	resume	VBN
33397	17	10	in	in	IN
33397	17	11	1945	1945	CD
33397	17	12	.	.	.
33397	18	1	By	by	IN
33397	18	2	that	that	DT
33397	18	3	time	time	NN
33397	18	4	a	a	DT
33397	18	5	new	new	JJ
33397	18	6	principle	principle	NN
33397	18	7	had	have	VBD
33397	18	8	been	be	VBN
33397	18	9	discovered	discover	VBN
33397	18	10	which	which	WDT
33397	18	11	made	make	VBD
33397	18	12	it	-PRON-	PRP
33397	18	13	possible	possible	JJ
33397	18	14	to	to	TO
33397	18	15	obtain	obtain	VB
33397	18	16	ion	ion	NN
33397	18	17	beams	beam	NNS
33397	18	18	of	of	IN
33397	18	19	much	much	RB
33397	18	20	higher	high	JJR
33397	18	21	energy	energy	NN
33397	18	22	than	than	IN
33397	18	23	originally	originally	RB
33397	18	24	hoped	hope	VBN
33397	18	25	for	for	IN
33397	18	26	.	.	.
33397	19	1	Yet	yet	RB
33397	19	2	a	a	DT
33397	19	3	considerably	considerably	RB
33397	19	4	lower	low	JJR
33397	19	5	accelerating	accelerate	VBG
33397	19	6	voltage	voltage	NN
33397	19	7	could	could	MD
33397	19	8	be	be	VB
33397	19	9	used	use	VBN
33397	19	10	.	.	.
33397	20	1	This	this	DT
33397	20	2	important	important	JJ
33397	20	3	discovery	discovery	NN
33397	20	4	was	be	VBD
33397	20	5	made	make	VBN
33397	20	6	independently	independently	RB
33397	20	7	by	by	IN
33397	20	8	Dr.	Dr.	NNP
33397	20	9	V.	V.	NNP
33397	20	10	Veksler	Veksler	NNP
33397	20	11	in	in	IN
33397	20	12	Russia	Russia	NNP
33397	20	13	and	and	CC
33397	20	14	by	by	IN
33397	20	15	Dr.	Dr.	NNP
33397	20	16	Edwin	Edwin	NNP
33397	20	17	M.	M.	NNP
33397	20	18	McMillan	McMillan	NNP
33397	20	19	,	,	,
33397	20	20	present	present	JJ
33397	20	21	Director	Director	NNP
33397	20	22	of	of	IN
33397	20	23	the	the	DT
33397	20	24	Lawrence	Lawrence	NNP
33397	20	25	Radiation	Radiation	NNP
33397	20	26	Laboratory	Laboratory	NNP
33397	20	27	.	.	.
33397	21	1	Before	before	IN
33397	21	2	attempting	attempt	VBG
33397	21	3	to	to	TO
33397	21	4	discuss	discuss	VB
33397	21	5	this	this	DT
33397	21	6	principle	principle	NN
33397	21	7	,	,	,
33397	21	8	we	-PRON-	PRP
33397	21	9	should	should	MD
33397	21	10	first	first	RB
33397	21	11	review	review	VB
33397	21	12	the	the	DT
33397	21	13	operation	operation	NN
33397	21	14	of	of	IN
33397	21	15	a	a	DT
33397	21	16	conventional	conventional	JJ
33397	21	17	cyclotron	cyclotron	NN
33397	21	18	.	.	.
33397	22	1	PRINCIPLE	PRINCIPLE	NNP
33397	22	2	OF	of	IN
33397	22	3	OPERATION	operation	NN
33397	22	4	OF	of	IN
33397	22	5	A	a	DT
33397	22	6	CONVENTIONAL	CONVENTIONAL	NNP
33397	22	7	CYCLOTRON	CYCLOTRON	NNP
33397	22	8	[	[	-LRB-
33397	22	9	Illustration	illustration	NN
33397	22	10	:	:	:
33397	22	11	Fig	Fig	NNP
33397	22	12	.	.	.
33397	23	1	2	2	LS
33397	23	2	.	.	.
33397	24	1	Basic	basic	JJ
33397	24	2	parts	part	NNS
33397	24	3	of	of	IN
33397	24	4	a	a	DT
33397	24	5	cyclotron	cyclotron	NN
33397	24	6	.	.	.
33397	24	7	]	]	-RRB-
33397	25	1	The	the	DT
33397	25	2	main	main	JJ
33397	25	3	parts	part	NNS
33397	25	4	of	of	IN
33397	25	5	a	a	DT
33397	25	6	cyclotron	cyclotron	NN
33397	25	7	are	be	VBP
33397	25	8	represented	represent	VBN
33397	25	9	in	in	IN
33397	25	10	Fig	Fig	NNP
33397	25	11	.	.	.
33397	26	1	2	2	LS
33397	26	2	.	.	.
33397	27	1	Charged	charge	VBN
33397	27	2	particles	particle	NNS
33397	27	3	(	(	-LRB-
33397	27	4	ions	ion	NNS
33397	27	5	)	)	-RRB-
33397	27	6	are	be	VBP
33397	27	7	accelerated	accelerate	VBN
33397	27	8	inside	inside	IN
33397	27	9	an	an	DT
33397	27	10	evacuated	evacuate	VBN
33397	27	11	tank	tank	NN
33397	27	12	.	.	.
33397	28	1	This	this	DT
33397	28	2	is	be	VBZ
33397	28	3	to	to	TO
33397	28	4	prevent	prevent	VB
33397	28	5	the	the	DT
33397	28	6	beam	beam	NN
33397	28	7	from	from	IN
33397	28	8	colliding	collide	VBG
33397	28	9	with	with	IN
33397	28	10	air	air	NN
33397	28	11	molecules	molecule	NNS
33397	28	12	and	and	CC
33397	28	13	being	be	VBG
33397	28	14	scattered	scatter	VBN
33397	28	15	.	.	.
33397	29	1	The	the	DT
33397	29	2	vacuum	vacuum	NN
33397	29	3	tank	tank	NN
33397	29	4	is	be	VBZ
33397	29	5	placed	place	VBN
33397	29	6	between	between	IN
33397	29	7	the	the	DT
33397	29	8	poles	pole	NNS
33397	29	9	of	of	IN
33397	29	10	an	an	DT
33397	29	11	electromagnet	electromagnet	NN
33397	29	12	,	,	,
33397	29	13	whose	whose	WP$
33397	29	14	field	field	NN
33397	29	15	bends	bend	VBZ
33397	29	16	the	the	DT
33397	29	17	ion	ion	NN
33397	29	18	beam	beam	NN
33397	29	19	into	into	IN
33397	29	20	a	a	DT
33397	29	21	circular	circular	JJ
33397	29	22	orbit	orbit	NN
33397	29	23	.	.	.
33397	30	1	The	the	DT
33397	30	2	operation	operation	NN
33397	30	3	begins	begin	VBZ
33397	30	4	when	when	WRB
33397	30	5	the	the	DT
33397	30	6	ions	ion	NNS
33397	30	7	are	be	VBP
33397	30	8	introduced	introduce	VBN
33397	30	9	into	into	IN
33397	30	10	the	the	DT
33397	30	11	region	region	NN
33397	30	12	between	between	IN
33397	30	13	two	two	CD
33397	30	14	accelerating	accelerate	VBG
33397	30	15	electrodes	electrode	NNS
33397	30	16	,	,	,
33397	30	17	or	or	CC
33397	30	18	"	"	``
33397	30	19	dees	dee	NNS
33397	30	20	.	.	.
33397	31	1	"	"	``
33397	31	2	[	[	-LRB-
33397	31	3	2	2	CD
33397	31	4	]	]	-RRB-
33397	31	5	Because	because	IN
33397	31	6	the	the	DT
33397	31	7	ions	ion	NNS
33397	31	8	carry	carry	VBP
33397	31	9	a	a	DT
33397	31	10	positive	positive	JJ
33397	31	11	electric	electric	JJ
33397	31	12	charge	charge	NN
33397	31	13	,	,	,
33397	31	14	they	-PRON-	PRP
33397	31	15	are	be	VBP
33397	31	16	attracted	attract	VBN
33397	31	17	toward	toward	IN
33397	31	18	that	that	DT
33397	31	19	dee	dee	NN
33397	31	20	which	which	WDT
33397	31	21	is	be	VBZ
33397	31	22	electrically	electrically	RB
33397	31	23	negative	negative	JJ
33397	31	24	at	at	IN
33397	31	25	the	the	DT
33397	31	26	moment	moment	NN
33397	31	27	.	.	.
33397	32	1	Were	be	VBD
33397	32	2	it	-PRON-	PRP
33397	32	3	not	not	RB
33397	32	4	for	for	IN
33397	32	5	the	the	DT
33397	32	6	magnetic	magnetic	JJ
33397	32	7	field	field	NN
33397	32	8	,	,	,
33397	32	9	the	the	DT
33397	32	10	ions	ion	NNS
33397	32	11	would	would	MD
33397	32	12	be	be	VB
33397	32	13	accelerated	accelerate	VBN
33397	32	14	in	in	IN
33397	32	15	a	a	DT
33397	32	16	straight	straight	JJ
33397	32	17	line	line	NN
33397	32	18	;	;	:
33397	32	19	instead	instead	RB
33397	32	20	they	-PRON-	PRP
33397	32	21	are	be	VBP
33397	32	22	deflected	deflect	VBN
33397	32	23	into	into	IN
33397	32	24	a	a	DT
33397	32	25	circular	circular	JJ
33397	32	26	path	path	NN
33397	32	27	back	back	RB
33397	32	28	toward	toward	IN
33397	32	29	the	the	DT
33397	32	30	dee	dee	JJ
33397	32	31	gap	gap	NN
33397	32	32	.	.	.
33397	33	1	By	by	IN
33397	33	2	the	the	DT
33397	33	3	time	time	NN
33397	33	4	the	the	DT
33397	33	5	ions	ion	NNS
33397	33	6	again	again	RB
33397	33	7	reach	reach	VBP
33397	33	8	the	the	DT
33397	33	9	dee	dee	JJ
33397	33	10	gap	gap	NN
33397	33	11	,	,	,
33397	33	12	the	the	DT
33397	33	13	sign	sign	NN
33397	33	14	of	of	IN
33397	33	15	the	the	DT
33397	33	16	electric	electric	JJ
33397	33	17	potential	potential	NN
33397	33	18	on	on	IN
33397	33	19	the	the	DT
33397	33	20	dees	dee	NNS
33397	33	21	is	be	VBZ
33397	33	22	reversed	reverse	VBN
33397	33	23	,	,	,
33397	33	24	so	so	IN
33397	33	25	that	that	IN
33397	33	26	now	now	RB
33397	33	27	the	the	DT
33397	33	28	ions	ion	NNS
33397	33	29	are	be	VBP
33397	33	30	attracted	attract	VBN
33397	33	31	toward	toward	IN
33397	33	32	the	the	DT
33397	33	33	opposite	opposite	JJ
33397	33	34	dee	dee	NN
33397	33	35	.	.	.
33397	34	1	As	as	IN
33397	34	2	this	this	DT
33397	34	3	process	process	NN
33397	34	4	of	of	IN
33397	34	5	alternating	alternate	VBG
33397	34	6	the	the	DT
33397	34	7	electric	electric	JJ
33397	34	8	potential	potential	NN
33397	34	9	is	be	VBZ
33397	34	10	repeated	repeat	VBN
33397	34	11	,	,	,
33397	34	12	the	the	DT
33397	34	13	ions	ion	NNS
33397	34	14	gain	gain	VBP
33397	34	15	speed	speed	NN
33397	34	16	and	and	CC
33397	34	17	energy	energy	NN
33397	34	18	with	with	IN
33397	34	19	each	each	DT
33397	34	20	revolution	revolution	NN
33397	34	21	.	.	.
33397	35	1	This	this	DT
33397	35	2	causes	cause	VBZ
33397	35	3	them	-PRON-	PRP
33397	35	4	to	to	IN
33397	35	5	spiral	spiral	NNP
33397	35	6	outward	outward	RB
33397	35	7	.	.	.
33397	36	1	Finally	finally	RB
33397	36	2	they	-PRON-	PRP
33397	36	3	strike	strike	VBP
33397	36	4	a	a	DT
33397	36	5	target	target	NN
33397	36	6	inserted	insert	VBN
33397	36	7	into	into	IN
33397	36	8	their	-PRON-	PRP$
33397	36	9	path	path	NN
33397	36	10	or	or	CC
33397	36	11	are	be	VBP
33397	36	12	extracted	extract	VBN
33397	36	13	from	from	IN
33397	36	14	the	the	DT
33397	36	15	cyclotron	cyclotron	NN
33397	36	16	for	for	IN
33397	36	17	use	use	NN
33397	36	18	as	as	IN
33397	36	19	an	an	DT
33397	36	20	external	external	JJ
33397	36	21	beam	beam	NN
33397	36	22	.	.	.
33397	37	1	The	the	DT
33397	37	2	time	time	NN
33397	37	3	required	require	VBN
33397	37	4	for	for	IN
33397	37	5	an	an	DT
33397	37	6	ion	ion	NN
33397	37	7	to	to	TO
33397	37	8	complete	complete	VB
33397	37	9	one	one	CD
33397	37	10	loop	loop	NN
33397	37	11	remains	remain	VBZ
33397	37	12	constant	constant	JJ
33397	37	13	as	as	IN
33397	37	14	it	-PRON-	PRP
33397	37	15	spirals	spiral	VBZ
33397	37	16	outward	outward	RB
33397	37	17	.	.	.
33397	38	1	This	this	DT
33397	38	2	is	be	VBZ
33397	38	3	because	because	IN
33397	38	4	its	-PRON-	PRP$
33397	38	5	velocity	velocity	NN
33397	38	6	increases	increase	VBZ
33397	38	7	sufficiently	sufficiently	RB
33397	38	8	to	to	TO
33397	38	9	make	make	VB
33397	38	10	up	up	RP
33397	38	11	for	for	IN
33397	38	12	the	the	DT
33397	38	13	increased	increase	VBN
33397	38	14	distance	distance	NN
33397	38	15	it	-PRON-	PRP
33397	38	16	travels	travel	VBZ
33397	38	17	during	during	IN
33397	38	18	each	each	DT
33397	38	19	turn	turn	NN
33397	38	20	.	.	.
33397	39	1	This	this	DT
33397	39	2	means	mean	VBZ
33397	39	3	that	that	IN
33397	39	4	the	the	DT
33397	39	5	electric	electric	JJ
33397	39	6	potential	potential	NN
33397	39	7	applied	apply	VBD
33397	39	8	to	to	IN
33397	39	9	the	the	DT
33397	39	10	dees	dee	NNS
33397	39	11	must	must	MD
33397	39	12	alternate	alternate	VB
33397	39	13	at	at	IN
33397	39	14	a	a	DT
33397	39	15	constant	constant	JJ
33397	39	16	frequency	frequency	NN
33397	39	17	,	,	,
33397	39	18	called	call	VBN
33397	39	19	the	the	DT
33397	39	20	"	"	``
33397	39	21	resonant	resonant	JJ
33397	39	22	frequency	frequency	NN
33397	39	23	.	.	.
33397	39	24	"	"	''
33397	40	1	The	the	DT
33397	40	2	resonant	resonant	JJ
33397	40	3	frequency	frequency	NN
33397	40	4	f	f	NNP
33397	40	5	is	be	VBZ
33397	40	6	given	give	VBN
33397	40	7	by	by	IN
33397	40	8	the	the	DT
33397	40	9	relationship	relationship	NN
33397	40	10	He	-PRON-	PRP
33397	40	11	f	f	VBZ
33397	40	12	=	=	SYM
33397	40	13	---------	---------	NFP
33397	40	14	,	,	,
33397	40	15	(	(	-LRB-
33397	40	16	1	1	LS
33397	40	17	)	)	-RRB-
33397	40	18	2[pi]mc	2[pi]mc	NNP
33397	40	19	where	where	WRB
33397	40	20	H	h	NN
33397	40	21	,	,	,
33397	40	22	e	e	NN
33397	40	23	,	,	,
33397	40	24	[	[	-LRB-
33397	40	25	pi	pi	NN
33397	40	26	]	]	-RRB-
33397	40	27	,	,	,
33397	40	28	c	c	NNP
33397	40	29	,	,	,
33397	40	30	and	and	CC
33397	40	31	m	m	NNP
33397	40	32	are	be	VBP
33397	40	33	constants	constant	NNS
33397	40	34	.	.	.
33397	41	1	H	h	NN
33397	41	2	is	be	VBZ
33397	41	3	the	the	DT
33397	41	4	strength	strength	NN
33397	41	5	of	of	IN
33397	41	6	the	the	DT
33397	41	7	magnetic	magnetic	JJ
33397	41	8	field	field	NN
33397	41	9	of	of	IN
33397	41	10	the	the	DT
33397	41	11	cyclotron	cyclotron	NN
33397	41	12	,	,	,
33397	41	13	e	e	NNP
33397	41	14	is	be	VBZ
33397	41	15	the	the	DT
33397	41	16	electric	electric	JJ
33397	41	17	charge	charge	NN
33397	41	18	carried	carry	VBN
33397	41	19	by	by	IN
33397	41	20	the	the	DT
33397	41	21	ion	ion	NN
33397	41	22	,	,	,
33397	41	23	[	[	-LRB-
33397	41	24	pi	pi	NN
33397	41	25	]	]	-RRB-
33397	41	26	equals	equal	VBZ
33397	41	27	3.14	3.14	CD
33397	41	28	,	,	,
33397	41	29	c	c	NNP
33397	41	30	is	be	VBZ
33397	41	31	a	a	DT
33397	41	32	conversion	conversion	NN
33397	41	33	factor	factor	NN
33397	41	34	,	,	,
33397	41	35	and	and	CC
33397	41	36	m	m	NNP
33397	41	37	is	be	VBZ
33397	41	38	the	the	DT
33397	41	39	mass	mass	NN
33397	41	40	of	of	IN
33397	41	41	the	the	DT
33397	41	42	ion	ion	NN
33397	41	43	.	.	.
33397	42	1	For	for	IN
33397	42	2	example	example	NN
33397	42	3	,	,	,
33397	42	4	the	the	DT
33397	42	5	resonant	resonant	JJ
33397	42	6	frequency	frequency	NN
33397	42	7	for	for	IN
33397	42	8	protons	proton	NNS
33397	42	9	accelerated	accelerate	VBN
33397	42	10	in	in	IN
33397	42	11	a	a	DT
33397	42	12	15,000-gauss	15,000-gauss	CD
33397	42	13	magnetic	magnetic	JJ
33397	42	14	field	field	NN
33397	42	15	is	be	VBZ
33397	42	16	23.7	23.7	CD
33397	42	17	megacycles	megacycle	NNS
33397	42	18	(	(	-LRB-
33397	42	19	Mc	Mc	NNP
33397	42	20	)	)	-RRB-
33397	42	21	.	.	.
33397	43	1	[	[	-LRB-
33397	43	2	3	3	LS
33397	43	3	]	]	-RRB-
33397	43	4	We	-PRON-	PRP
33397	43	5	call	call	VBP
33397	43	6	such	such	PDT
33397	43	7	a	a	DT
33397	43	8	rapidly	rapidly	RB
33397	43	9	alternating	alternate	VBG
33397	43	10	potential	potential	NN
33397	43	11	a	a	DT
33397	43	12	"	"	``
33397	43	13	radiofrequency	radiofrequency	NN
33397	43	14	voltage	voltage	NN
33397	43	15	"	"	''
33397	43	16	and	and	CC
33397	43	17	the	the	DT
33397	43	18	electronic	electronic	JJ
33397	43	19	circuit	circuit	NN
33397	43	20	for	for	IN
33397	43	21	producing	produce	VBG
33397	43	22	it	-PRON-	PRP
33397	43	23	a	a	DT
33397	43	24	"	"	``
33397	43	25	radiofrequency	radiofrequency	NN
33397	43	26	oscillator	oscillator	NN
33397	43	27	.	.	.
33397	43	28	"	"	''
33397	44	1	The	the	DT
33397	44	2	energy	energy	NN
33397	44	3	E	e	NN
33397	44	4	of	of	IN
33397	44	5	an	an	DT
33397	44	6	ion	ion	NN
33397	44	7	emerging	emerge	VBG
33397	44	8	from	from	IN
33397	44	9	the	the	DT
33397	44	10	cyclotron	cyclotron	NN
33397	44	11	is	be	VBZ
33397	44	12	given	give	VBN
33397	44	13	by	by	IN
33397	44	14	H^2	H^2	NNP
33397	44	15	R^2	R^2	NNP
33397	44	16	e^2	e^2	CD
33397	44	17	E	e	NN
33397	44	18	=	=	NFP
33397	44	19	-------	-------	NFP
33397	44	20	----	----	NFP
33397	44	21	,	,	,
33397	44	22	(	(	-LRB-
33397	44	23	2	2	LS
33397	44	24	)	)	-RRB-
33397	44	25	2	2	CD
33397	44	26	mc^2	mc^2	NNS
33397	44	27	where	where	WRB
33397	44	28	H	h	NN
33397	44	29	,	,	,
33397	44	30	e	e	NNP
33397	44	31	,	,	,
33397	44	32	and	and	CC
33397	44	33	m	m	NNP
33397	44	34	are	be	VBP
33397	44	35	as	as	IN
33397	44	36	defined	define	VBN
33397	44	37	above	above	RB
33397	44	38	,	,	,
33397	44	39	and	and	CC
33397	44	40	R	r	NN
33397	44	41	is	be	VBZ
33397	44	42	the	the	DT
33397	44	43	radius	radius	NN
33397	44	44	at	at	IN
33397	44	45	which	which	WDT
33397	44	46	the	the	DT
33397	44	47	beam	beam	NN
33397	44	48	is	be	VBZ
33397	44	49	extracted	extract	VBN
33397	44	50	.	.	.
33397	45	1	From	from	IN
33397	45	2	this	this	DT
33397	45	3	equation	equation	NN
33397	45	4	we	-PRON-	PRP
33397	45	5	see	see	VBP
33397	45	6	that	that	IN
33397	45	7	for	for	IN
33397	45	8	a	a	DT
33397	45	9	given	give	VBN
33397	45	10	type	type	NN
33397	45	11	of	of	IN
33397	45	12	ion	ion	NN
33397	45	13	(	(	-LRB-
33397	45	14	where	where	WRB
33397	45	15	e	e	NNP
33397	45	16	and	and	CC
33397	45	17	m	m	NNP
33397	45	18	are	be	VBP
33397	45	19	constant	constant	JJ
33397	45	20	)	)	-RRB-
33397	45	21	,	,	,
33397	45	22	the	the	DT
33397	45	23	energy	energy	NN
33397	45	24	depends	depend	VBZ
33397	45	25	on	on	IN
33397	45	26	the	the	DT
33397	45	27	diameter	diameter	NN
33397	45	28	and	and	CC
33397	45	29	strength	strength	NN
33397	45	30	of	of	IN
33397	45	31	the	the	DT
33397	45	32	magnet	magnet	NN
33397	45	33	,	,	,
33397	45	34	but	but	CC
33397	45	35	not	not	RB
33397	45	36	directly	directly	RB
33397	45	37	upon	upon	IN
33397	45	38	the	the	DT
33397	45	39	voltage	voltage	NN
33397	45	40	applied	apply	VBN
33397	45	41	to	to	IN
33397	45	42	the	the	DT
33397	45	43	dees	dee	NNS
33397	45	44	.	.	.
33397	46	1	The	the	DT
33397	46	2	number	number	NN
33397	46	3	of	of	IN
33397	46	4	revolutions	revolution	NNS
33397	46	5	that	that	WDT
33397	46	6	an	an	DT
33397	46	7	ion	ion	NN
33397	46	8	can	can	MD
33397	46	9	make	make	VB
33397	46	10	in	in	IN
33397	46	11	a	a	DT
33397	46	12	conventional	conventional	JJ
33397	46	13	cyclotron	cyclotron	NN
33397	46	14	is	be	VBZ
33397	46	15	limited	limit	VBN
33397	46	16	to	to	IN
33397	46	17	about	about	RB
33397	46	18	70	70	CD
33397	46	19	to	to	TO
33397	46	20	100	100	CD
33397	46	21	.	.	.
33397	47	1	This	this	DT
33397	47	2	is	be	VBZ
33397	47	3	due	due	JJ
33397	47	4	to	to	IN
33397	47	5	a	a	DT
33397	47	6	very	very	RB
33397	47	7	curious	curious	JJ
33397	47	8	effect	effect	NN
33397	47	9	:	:	:
33397	47	10	as	as	IN
33397	47	11	an	an	DT
33397	47	12	ion	ion	NN
33397	47	13	is	be	VBZ
33397	47	14	accelerated	accelerate	VBN
33397	47	15	,	,	,
33397	47	16	its	-PRON-	PRP$
33397	47	17	mass	mass	NN
33397	47	18	increases	increase	NNS
33397	47	19	!	!	.
33397	48	1	[	[	-LRB-
33397	48	2	This	this	DT
33397	48	3	phenomenon	phenomenon	NN
33397	48	4	is	be	VBZ
33397	48	5	explained	explain	VBN
33397	48	6	by	by	IN
33397	48	7	Einstein	Einstein	NNP
33397	48	8	's	's	POS
33397	48	9	special	special	JJ
33397	48	10	theory	theory	NN
33397	48	11	of	of	IN
33397	48	12	relativity	relativity	NN
33397	48	13	(	(	-LRB-
33397	48	14	see	see	VB
33397	48	15	Fig	Fig	NNP
33397	48	16	.	.	.
33397	49	1	3	3	LS
33397	49	2	)	)	-RRB-
33397	49	3	.	.	.
33397	49	4	]	]	-RRB-
33397	50	1	Referring	refer	VBG
33397	50	2	back	back	RB
33397	50	3	to	to	IN
33397	50	4	Eq	Eq	NNP
33397	50	5	.	.	.
33397	51	1	(	(	-LRB-
33397	51	2	1	1	LS
33397	51	3	)	)	-RRB-
33397	51	4	,	,	,
33397	51	5	we	-PRON-	PRP
33397	51	6	see	see	VBP
33397	51	7	that	that	IN
33397	51	8	if	if	IN
33397	51	9	the	the	DT
33397	51	10	ion	ion	NN
33397	51	11	mass	mass	NN
33397	51	12	(	(	-LRB-
33397	51	13	m	m	NNP
33397	51	14	)	)	-RRB-
33397	51	15	does	do	VBZ
33397	51	16	not	not	RB
33397	51	17	remain	remain	VB
33397	51	18	constant	constant	JJ
33397	51	19	,	,	,
33397	51	20	but	but	CC
33397	51	21	rather	rather	RB
33397	51	22	increases	increase	NNS
33397	51	23	,	,	,
33397	51	24	then	then	RB
33397	51	25	the	the	DT
33397	51	26	resonant	resonant	JJ
33397	51	27	frequency	frequency	NN
33397	51	28	(	(	-LRB-
33397	51	29	f	f	NNP
33397	51	30	)	)	-RRB-
33397	51	31	decreases	decrease	VBZ
33397	51	32	.	.	.
33397	52	1	But	but	CC
33397	52	2	since	since	IN
33397	52	3	the	the	DT
33397	52	4	dee	dee	JJ
33397	52	5	potential	potential	NN
33397	52	6	continues	continue	VBZ
33397	52	7	alternating	alternate	VBG
33397	52	8	at	at	IN
33397	52	9	a	a	DT
33397	52	10	constant	constant	JJ
33397	52	11	frequency	frequency	NN
33397	52	12	,	,	,
33397	52	13	an	an	DT
33397	52	14	ion	ion	NN
33397	52	15	soon	soon	RB
33397	52	16	begins	begin	VBZ
33397	52	17	to	to	TO
33397	52	18	arrive	arrive	VB
33397	52	19	"	"	``
33397	52	20	late	late	JJ
33397	52	21	"	"	''
33397	52	22	at	at	IN
33397	52	23	the	the	DT
33397	52	24	dee	dee	JJ
33397	52	25	gap	gap	NN
33397	52	26	.	.	.
33397	53	1	By	by	IN
33397	53	2	the	the	DT
33397	53	3	time	time	NN
33397	53	4	it	-PRON-	PRP
33397	53	5	has	have	VBZ
33397	53	6	made	make	VBN
33397	53	7	about	about	IN
33397	53	8	70	70	CD
33397	53	9	to	to	TO
33397	53	10	100	100	CD
33397	53	11	turns	turn	VBZ
33397	53	12	an	an	DT
33397	53	13	ion	ion	NN
33397	53	14	is	be	VBZ
33397	53	15	so	so	RB
33397	53	16	badly	badly	RB
33397	53	17	out	out	IN
33397	53	18	of	of	IN
33397	53	19	phase	phase	NN
33397	53	20	that	that	IN
33397	53	21	it	-PRON-	PRP
33397	53	22	is	be	VBZ
33397	53	23	no	no	RB
33397	53	24	longer	long	RBR
33397	53	25	accelerated	accelerate	VBN
33397	53	26	.	.	.
33397	54	1	Suppose	suppose	VB
33397	54	2	now	now	RB
33397	54	3	that	that	IN
33397	54	4	we	-PRON-	PRP
33397	54	5	want	want	VBP
33397	54	6	to	to	TO
33397	54	7	obtain	obtain	VB
33397	54	8	an	an	DT
33397	54	9	energy	energy	NN
33397	54	10	of	of	IN
33397	54	11	10	10	CD
33397	54	12	Mev	Mev	NNP
33397	54	13	.	.	.
33397	55	1	Because	because	IN
33397	55	2	an	an	DT
33397	55	3	ion	ion	NN
33397	55	4	can	can	MD
33397	55	5	make	make	VB
33397	55	6	a	a	DT
33397	55	7	maximum	maximum	NN
33397	55	8	of	of	IN
33397	55	9	about	about	RB
33397	55	10	100	100	CD
33397	55	11	turns	turn	NNS
33397	55	12	,	,	,
33397	55	13	the	the	DT
33397	55	14	accelerating	accelerate	VBG
33397	55	15	potential	potential	NN
33397	55	16	would	would	MD
33397	55	17	have	have	VB
33397	55	18	to	to	TO
33397	55	19	be	be	VB
33397	55	20	about	about	IN
33397	55	21	100,000	100,000	CD
33397	55	22	volts	volt	NNS
33397	55	23	.	.	.
33397	56	1	However	however	RB
33397	56	2	,	,	,
33397	56	3	Professor	Professor	NNP
33397	56	4	Lawrence	Lawrence	NNP
33397	56	5	hoped	hope	VBD
33397	56	6	to	to	TO
33397	56	7	reach	reach	VB
33397	56	8	100	100	CD
33397	56	9	Mev	Mev	NNP
33397	56	10	with	with	IN
33397	56	11	the	the	DT
33397	56	12	new	new	JJ
33397	56	13	184-inch	184-inch	CD
33397	56	14	cyclotron	cyclotron	NN
33397	56	15	.	.	.
33397	57	1	This	this	DT
33397	57	2	meant	mean	VBD
33397	57	3	that	that	IN
33397	57	4	the	the	DT
33397	57	5	accelerating	accelerate	VBG
33397	57	6	voltage	voltage	NN
33397	57	7	would	would	MD
33397	57	8	have	have	VB
33397	57	9	to	to	TO
33397	57	10	be	be	VB
33397	57	11	about	about	IN
33397	57	12	1,000,000	1,000,000	CD
33397	57	13	volts	volt	NNS
33397	57	14	.	.	.
33397	58	1	Preventing	prevent	VBG
33397	58	2	such	such	PDT
33397	58	3	a	a	DT
33397	58	4	high	high	JJ
33397	58	5	voltage	voltage	NN
33397	58	6	from	from	IN
33397	58	7	sparking	spark	VBG
33397	58	8	promised	promise	VBD
33397	58	9	to	to	TO
33397	58	10	be	be	VB
33397	58	11	one	one	CD
33397	58	12	of	of	IN
33397	58	13	many	many	JJ
33397	58	14	formidable	formidable	JJ
33397	58	15	engineering	engineering	NN
33397	58	16	problems	problem	NNS
33397	58	17	.	.	.
33397	59	1	[	[	-LRB-
33397	59	2	Illustration	illustration	NN
33397	59	3	:	:	:
33397	59	4	Fig	Fig	NNP
33397	59	5	.	.	.
33397	60	1	3	3	LS
33397	60	2	.	.	.
33397	61	1	Graph	Graph	NNP
33397	61	2	showing	show	VBG
33397	61	3	how	how	WRB
33397	61	4	the	the	DT
33397	61	5	mass	mass	NN
33397	61	6	of	of	IN
33397	61	7	an	an	DT
33397	61	8	object	object	NN
33397	61	9	increases	increase	NNS
33397	61	10	as	as	IN
33397	61	11	its	-PRON-	PRP$
33397	61	12	velocity	velocity	NN
33397	61	13	approaches	approach	VBZ
33397	61	14	that	that	DT
33397	61	15	of	of	IN
33397	61	16	light	light	NN
33397	61	17	.	.	.
33397	61	18	]	]	-RRB-
33397	62	1	FOOTNOTES	footnote	NNS
33397	62	2	:	:	:
33397	62	3	[	[	-LRB-
33397	62	4	1	1	LS
33397	62	5	]	]	-RRB-
33397	62	6	The	the	DT
33397	62	7	grants	grant	NNS
33397	62	8	were	be	VBD
33397	62	9	as	as	IN
33397	62	10	follows	follow	VBZ
33397	62	11	:	:	:
33397	62	12	Rockefeller	Rockefeller	NNP
33397	62	13	Foundation--$1,150,000	Foundation--$1,150,000	.
33397	62	14	;	;	:
33397	62	15	John	John	NNP
33397	62	16	and	and	CC
33397	62	17	Mary	Mary	NNP
33397	62	18	Markle	Markle	NNP
33397	62	19	Foundation--$25,000	Foundation--$25,000	NNP
33397	62	20	;	;	:
33397	62	21	The	the	DT
33397	62	22	Research	Research	NNP
33397	62	23	Corporation--$50,000	Corporation--$50,000	NNP
33397	62	24	.	.	.
33397	63	1	The	the	DT
33397	63	2	University	University	NNP
33397	63	3	of	of	IN
33397	63	4	California	California	NNP
33397	63	5	added	add	VBD
33397	63	6	a	a	DT
33397	63	7	guarantee	guarantee	NN
33397	63	8	of	of	IN
33397	63	9	$	$	$
33397	63	10	175,000	175,000	CD
33397	63	11	to	to	TO
33397	63	12	bring	bring	VB
33397	63	13	the	the	DT
33397	63	14	total	total	JJ
33397	63	15	building	building	NN
33397	63	16	fund	fund	NN
33397	63	17	to	to	IN
33397	63	18	$	$	$
33397	63	19	1,400,000	1,400,000	CD
33397	63	20	.	.	.
33397	64	1	[	[	-LRB-
33397	64	2	2	2	LS
33397	64	3	]	]	-RRB-
33397	64	4	In	in	IN
33397	64	5	the	the	DT
33397	64	6	first	first	JJ
33397	64	7	cyclotrons	cyclotron	NNS
33397	64	8	the	the	DT
33397	64	9	electrodes	electrode	NNS
33397	64	10	were	be	VBD
33397	64	11	shaped	shape	VBN
33397	64	12	like	like	IN
33397	64	13	the	the	DT
33397	64	14	letter	letter	NN
33397	64	15	"	"	``
33397	64	16	D.	D.	NNP
33397	64	17	"	"	''
33397	64	18	[	[	-LRB-
33397	64	19	3	3	LS
33397	64	20	]	]	-RRB-
33397	64	21	We	-PRON-	PRP
33397	64	22	have	have	VBP
33397	64	23	the	the	DT
33397	64	24	values	value	NNS
33397	64	25	H	h	NN
33397	64	26	=	=	SYM
33397	64	27	15,000	15,000	CD
33397	64	28	gauss	gaus	NNS
33397	64	29	,	,	,
33397	64	30	e	e	NNP
33397	64	31	=	=	SYM
33397	64	32	4.8	4.8	CD
33397	64	33	×	×	CD
33397	64	34	10^{-10	10^{-10	CD
33397	64	35	}	}	-RRB-
33397	64	36	electrostatic	electrostatic	JJ
33397	64	37	units	unit	NNS
33397	64	38	,	,	,
33397	64	39	and	and	CC
33397	64	40	m	m	NN
33397	64	41	=	=	SYM
33397	64	42	1.6	1.6	CD
33397	64	43	×	×	CD
33397	64	44	10^{-24	10^{-24	CD
33397	64	45	}	}	-RRB-
33397	64	46	gram	gram	NN
33397	64	47	.	.	.
33397	65	1	To	to	TO
33397	65	2	find	find	VB
33397	65	3	f	f	NNP
33397	65	4	,	,	,
33397	65	5	we	-PRON-	PRP
33397	65	6	write	write	VBP
33397	65	7	15,000	15,000	CD
33397	65	8	(	(	-LRB-
33397	65	9	4.8	4.8	CD
33397	65	10	)	)	-RRB-
33397	65	11	10^{-10	10^{-10	CD
33397	65	12	}	}	-RRB-
33397	65	13	f	f	NNP
33397	65	14	=	=	SYM
33397	65	15	----------------------------------	----------------------------------	:
33397	65	16	,	,	,
33397	65	17	2	2	CD
33397	65	18	(	(	-LRB-
33397	65	19	3.14)(1.6	3.14)(1.6	CD
33397	65	20	)	)	-RRB-
33397	65	21	10^{-24	10^{-24	CD
33397	65	22	}	}	-RRB-
33397	65	23	(	(	-LRB-
33397	65	24	3	3	CD
33397	65	25	)	)	-RRB-
33397	65	26	10^{10	10^{10	CD
33397	65	27	}	}	-RRB-
33397	65	28	f	f	NN
33397	65	29	=	=	SYM
33397	65	30	23.7	23.7	CD
33397	65	31	Mc	Mc	NNP
33397	65	32	.	.	.
33397	66	1	THE	the	DT
33397	66	2	PRINCIPLE	PRINCIPLE	NNP
33397	66	3	OF	of	IN
33397	66	4	PHASE	phase	NN
33397	66	5	STABILITY	STABILITY	NNS
33397	66	6	Fortunately	fortunately	RB
33397	66	7	,	,	,
33397	66	8	Drs	Drs	NNP
33397	66	9	.	.	.
33397	67	1	Veksler	Veksler	NNP
33397	67	2	and	and	CC
33397	67	3	McMillan	McMillan	NNP
33397	67	4	showed	show	VBD
33397	67	5	that	that	IN
33397	67	6	relatively	relatively	RB
33397	67	7	low	low	JJ
33397	67	8	dee	dee	JJ
33397	67	9	voltages	voltage	NNS
33397	67	10	can	can	MD
33397	67	11	be	be	VB
33397	67	12	used	use	VBN
33397	67	13	to	to	TO
33397	67	14	accelerate	accelerate	VB
33397	67	15	ions	ion	NNS
33397	67	16	to	to	IN
33397	67	17	very	very	RB
33397	67	18	high	high	JJ
33397	67	19	energies	energy	NNS
33397	67	20	.	.	.
33397	68	1	This	this	DT
33397	68	2	is	be	VBZ
33397	68	3	possible	possible	JJ
33397	68	4	if	if	IN
33397	68	5	the	the	DT
33397	68	6	oscillator	oscillator	NN
33397	68	7	frequency	frequency	NN
33397	68	8	is	be	VBZ
33397	68	9	continuously	continuously	RB
33397	68	10	decreased	decrease	VBN
33397	68	11	to	to	TO
33397	68	12	keep	keep	VB
33397	68	13	it	-PRON-	PRP
33397	68	14	in	in	IN
33397	68	15	synchronism	synchronism	NN
33397	68	16	with	with	IN
33397	68	17	the	the	DT
33397	68	18	decreasing	decrease	VBG
33397	68	19	rotational	rotational	JJ
33397	68	20	frequency	frequency	NN
33397	68	21	of	of	IN
33397	68	22	the	the	DT
33397	68	23	ions	ion	NNS
33397	68	24	.	.	.
33397	69	1	This	this	DT
33397	69	2	would	would	MD
33397	69	3	allow	allow	VB
33397	69	4	an	an	DT
33397	69	5	ion	ion	NN
33397	69	6	to	to	TO
33397	69	7	make	make	VB
33397	69	8	many	many	JJ
33397	69	9	revolutions	revolution	NNS
33397	69	10	without	without	IN
33397	69	11	becoming	become	VBG
33397	69	12	out	out	IN
33397	69	13	of	of	IN
33397	69	14	phase	phase	NN
33397	69	15	.	.	.
33397	70	1	This	this	DT
33397	70	2	principle	principle	NN
33397	70	3	of	of	IN
33397	70	4	phase	phase	NN
33397	70	5	stability	stability	NN
33397	70	6	was	be	VBD
33397	70	7	experimentally	experimentally	RB
33397	70	8	verified	verify	VBN
33397	70	9	with	with	IN
33397	70	10	the	the	DT
33397	70	11	37-inch	37-inch	CD
33397	70	12	cyclotron	cyclotron	NN
33397	70	13	before	before	IN
33397	70	14	being	be	VBG
33397	70	15	incorporated	incorporate	VBN
33397	70	16	into	into	IN
33397	70	17	the	the	DT
33397	70	18	design	design	NN
33397	70	19	of	of	IN
33397	70	20	the	the	DT
33397	70	21	184-inch	184-inch	CD
33397	70	22	machine	machine	NN
33397	70	23	.	.	.
33397	71	1	Because	because	IN
33397	71	2	it	-PRON-	PRP
33397	71	3	utilizes	utilize	VBZ
33397	71	4	this	this	DT
33397	71	5	principle	principle	NN
33397	71	6	,	,	,
33397	71	7	this	this	DT
33397	71	8	machine	machine	NN
33397	71	9	has	have	VBZ
33397	71	10	usually	usually	RB
33397	71	11	been	be	VBN
33397	71	12	referred	refer	VBN
33397	71	13	to	to	IN
33397	71	14	as	as	IN
33397	71	15	a	a	DT
33397	71	16	"	"	``
33397	71	17	synchrocyclotron	synchrocyclotron	NN
33397	71	18	"	"	''
33397	71	19	or	or	CC
33397	71	20	"	"	``
33397	71	21	frequency	frequency	NN
33397	71	22	-	-	HYPH
33397	71	23	modulated	modulate	VBN
33397	71	24	cyclotron	cyclotron	NN
33397	71	25	.	.	.
33397	71	26	"	"	''
33397	72	1	However	however	RB
33397	72	2	,	,	,
33397	72	3	it	-PRON-	PRP
33397	72	4	is	be	VBZ
33397	72	5	sometimes	sometimes	RB
33397	72	6	called	call	VBN
33397	72	7	simply	simply	RB
33397	72	8	a	a	DT
33397	72	9	"	"	``
33397	72	10	cyclotron	cyclotron	NN
33397	72	11	.	.	.
33397	72	12	"	"	''
33397	73	1	The	the	DT
33397	73	2	184-inch	184-inch	CD
33397	73	3	synchrocyclotron	synchrocyclotron	NNP
33397	73	4	was	be	VBD
33397	73	5	first	first	RB
33397	73	6	operated	operate	VBN
33397	73	7	in	in	IN
33397	73	8	November	November	NNP
33397	73	9	1946	1946	CD
33397	73	10	.	.	.
33397	74	1	With	with	IN
33397	74	2	a	a	DT
33397	74	3	maximum	maximum	JJ
33397	74	4	dee	dee	JJ
33397	74	5	voltage	voltage	NN
33397	74	6	of	of	IN
33397	74	7	only	only	RB
33397	74	8	20,000	20,000	CD
33397	74	9	volts	volt	NNS
33397	74	10	,	,	,
33397	74	11	it	-PRON-	PRP
33397	74	12	accelerated	accelerate	VBD
33397	74	13	deuterons	deuteron	NNS
33397	74	14	to	to	IN
33397	74	15	190	190	CD
33397	74	16	Mev	Mev	NNP
33397	74	17	and	and	CC
33397	74	18	alpha	alpha	NN
33397	74	19	particles	particle	NNS
33397	74	20	to	to	IN
33397	74	21	380	380	CD
33397	74	22	Mev	Mev	NNP
33397	74	23	.	.	.
33397	75	1	[	[	-LRB-
33397	75	2	4	4	CD
33397	75	3	]	]	-RRB-
33397	75	4	In	in	IN
33397	75	5	1949	1949	CD
33397	75	6	it	-PRON-	PRP
33397	75	7	was	be	VBD
33397	75	8	modified	modify	VBN
33397	75	9	to	to	TO
33397	75	10	permit	permit	VB
33397	75	11	production	production	NN
33397	75	12	of	of	IN
33397	75	13	350-Mev	350-mev	NN
33397	75	14	protons	proton	NNS
33397	75	15	also	also	RB
33397	75	16	.	.	.
33397	76	1	Between	between	IN
33397	76	2	1955	1955	CD
33397	76	3	and	and	CC
33397	76	4	1957	1957	CD
33397	76	5	the	the	DT
33397	76	6	synchrocyclotron	synchrocyclotron	NNP
33397	76	7	was	be	VBD
33397	76	8	rebuilt	rebuild	VBN
33397	76	9	so	so	IN
33397	76	10	that	that	IN
33397	76	11	now	now	RB
33397	76	12	the	the	DT
33397	76	13	following	follow	VBG
33397	76	14	energies	energy	NNS
33397	76	15	can	can	MD
33397	76	16	be	be	VB
33397	76	17	obtained	obtain	VBN
33397	76	18	:	:	:
33397	76	19	Protons	proton	NNS
33397	76	20	Deuterons	Deuterons	NNPS
33397	76	21	Alpha	alpha	NN
33397	76	22	Particles	particle	NNS
33397	76	23	Helium-3	Helium-3	NNP
33397	76	24	nuclei[5	nuclei[5	NNP
33397	76	25	]	]	-RRB-
33397	76	26	-------	-------	NFP
33397	76	27	---------	---------	NFP
33397	76	28	---------------	---------------	NFP
33397	76	29	---------------	---------------	NFP
33397	76	30	730	730	CD
33397	76	31	Mev	Mev	NNP
33397	76	32	460	460	CD
33397	76	33	Mev	Mev	NNP
33397	76	34	910	910	CD
33397	76	35	Mev	Mev	NNP
33397	76	36	1140	1140	CD
33397	76	37	Mev	Mev	NNP
33397	76	38	In	in	IN
33397	76	39	reaching	reach	VBG
33397	76	40	an	an	DT
33397	76	41	energy	energy	NN
33397	76	42	of	of	IN
33397	76	43	730	730	CD
33397	76	44	Mev	Mev	NNP
33397	76	45	a	a	DT
33397	76	46	proton	proton	NN
33397	76	47	,	,	,
33397	76	48	for	for	IN
33397	76	49	example	example	NN
33397	76	50	,	,	,
33397	76	51	makes	make	VBZ
33397	76	52	75,000	75,000	CD
33397	76	53	revolutions	revolution	NNS
33397	76	54	in	in	IN
33397	76	55	just	just	RB
33397	76	56	6	6	CD
33397	76	57	milliseconds	millisecond	NNS
33397	76	58	(	(	-LRB-
33397	76	59	msec	msec	NNP
33397	76	60	)	)	-RRB-
33397	76	61	.	.	.
33397	77	1	It	-PRON-	PRP
33397	77	2	travels	travel	VBZ
33397	77	3	a	a	DT
33397	77	4	distance	distance	NN
33397	77	5	of	of	IN
33397	77	6	450	450	CD
33397	77	7	miles	mile	NNS
33397	77	8	and	and	CC
33397	77	9	attains	attain	VBZ
33397	77	10	a	a	DT
33397	77	11	velocity	velocity	NN
33397	77	12	of	of	IN
33397	77	13	152,000	152,000	CD
33397	77	14	miles	mile	NNS
33397	77	15	per	per	IN
33397	77	16	second	second	NN
33397	77	17	,	,	,
33397	77	18	or	or	CC
33397	77	19	82	82	CD
33397	77	20	%	%	NN
33397	77	21	of	of	IN
33397	77	22	the	the	DT
33397	77	23	speed	speed	NN
33397	77	24	of	of	IN
33397	77	25	light	light	NN
33397	77	26	!	!	.
33397	78	1	During	during	IN
33397	78	2	this	this	DT
33397	78	3	brief	brief	JJ
33397	78	4	journey	journey	NN
33397	78	5	its	-PRON-	PRP$
33397	78	6	mass	mass	NN
33397	78	7	increases	increase	VBZ
33397	78	8	75	75	CD
33397	78	9	%	%	NN
33397	78	10	,	,	,
33397	78	11	giving	give	VBG
33397	78	12	very	very	RB
33397	78	13	convincing	convincing	JJ
33397	78	14	evidence	evidence	NN
33397	78	15	for	for	IN
33397	78	16	the	the	DT
33397	78	17	validity	validity	NN
33397	78	18	of	of	IN
33397	78	19	Einstein	Einstein	NNP
33397	78	20	's	's	POS
33397	78	21	theory	theory	NN
33397	78	22	.	.	.
33397	79	1	Similar	similar	JJ
33397	79	2	data	datum	NNS
33397	79	3	for	for	IN
33397	79	4	other	other	JJ
33397	79	5	ions	ion	NNS
33397	79	6	may	may	MD
33397	79	7	be	be	VB
33397	79	8	found	find	VBN
33397	79	9	in	in	IN
33397	79	10	the	the	DT
33397	79	11	appendix	appendix	NNP
33397	79	12	.	.	.
33397	80	1	FOOTNOTES	footnote	NNS
33397	80	2	:	:	:
33397	80	3	[	[	-LRB-
33397	80	4	4	4	LS
33397	80	5	]	]	-RRB-
33397	80	6	A	a	DT
33397	80	7	deuteron	deuteron	NN
33397	80	8	is	be	VBZ
33397	80	9	the	the	DT
33397	80	10	nucleus	nucleus	NN
33397	80	11	of	of	IN
33397	80	12	an	an	DT
33397	80	13	atom	atom	NN
33397	80	14	of	of	IN
33397	80	15	heavy	heavy	JJ
33397	80	16	hydrogen	hydrogen	NN
33397	80	17	and	and	CC
33397	80	18	contains	contain	VBZ
33397	80	19	one	one	CD
33397	80	20	proton	proton	NNP
33397	80	21	and	and	CC
33397	80	22	one	one	CD
33397	80	23	neutron	neutron	NN
33397	80	24	;	;	:
33397	80	25	it	-PRON-	PRP
33397	80	26	carries	carry	VBZ
33397	80	27	a	a	DT
33397	80	28	single	single	JJ
33397	80	29	positive	positive	JJ
33397	80	30	electric	electric	JJ
33397	80	31	charge	charge	NN
33397	80	32	.	.	.
33397	81	1	An	an	DT
33397	81	2	alpha	alpha	NN
33397	81	3	particle	particle	NN
33397	81	4	is	be	VBZ
33397	81	5	the	the	DT
33397	81	6	nucleus	nucleus	NN
33397	81	7	of	of	IN
33397	81	8	a	a	DT
33397	81	9	helium	helium	NN
33397	81	10	atom	atom	NN
33397	81	11	and	and	CC
33397	81	12	is	be	VBZ
33397	81	13	made	make	VBN
33397	81	14	up	up	RP
33397	81	15	of	of	IN
33397	81	16	two	two	CD
33397	81	17	protons	proton	NNS
33397	81	18	and	and	CC
33397	81	19	two	two	CD
33397	81	20	neutrons	neutron	NNS
33397	81	21	;	;	:
33397	81	22	it	-PRON-	PRP
33397	81	23	carries	carry	VBZ
33397	81	24	two	two	CD
33397	81	25	positive	positive	JJ
33397	81	26	charges	charge	NNS
33397	81	27	.	.	.
33397	82	1	[	[	-LRB-
33397	82	2	5	5	LS
33397	82	3	]	]	-RRB-
33397	82	4	The	the	DT
33397	82	5	machine	machine	NN
33397	82	6	is	be	VBZ
33397	82	7	equipped	equip	VBN
33397	82	8	for	for	IN
33397	82	9	helium-3	helium-3	NNP
33397	82	10	operation	operation	NN
33397	82	11	,	,	,
33397	82	12	but	but	CC
33397	82	13	to	to	IN
33397	82	14	date	date	NN
33397	82	15	it	-PRON-	PRP
33397	82	16	has	have	VBZ
33397	82	17	not	not	RB
33397	82	18	been	be	VBN
33397	82	19	used	use	VBN
33397	82	20	for	for	IN
33397	82	21	that	that	DT
33397	82	22	purpose	purpose	NN
33397	82	23	.	.	.
33397	83	1	DESIGN	design	NN
33397	83	2	AND	and	CC
33397	83	3	CONSTRUCTION	construction	NN
33397	83	4	OF	of	IN
33397	83	5	THE	the	DT
33397	83	6	184-INCH	184-inch	CD
33397	83	7	SYNCHROCYCLOTRON	SYNCHROCYCLOTRON	NNP
33397	83	8	_	_	NNP
33397	83	9	Magnet	Magnet	NNP
33397	83	10	_	_	XX
33397	83	11	During	during	IN
33397	83	12	the	the	DT
33397	83	13	rebuilding	rebuilding	NN
33397	83	14	of	of	IN
33397	83	15	the	the	DT
33397	83	16	cyclotron	cyclotron	NN
33397	83	17	,	,	,
33397	83	18	the	the	DT
33397	83	19	diameter	diameter	NN
33397	83	20	of	of	IN
33397	83	21	the	the	DT
33397	83	22	magnet	magnet	NN
33397	83	23	pole	pole	NN
33397	83	24	pieces	piece	NNS
33397	83	25	was	be	VBD
33397	83	26	increased	increase	VBN
33397	83	27	from	from	IN
33397	83	28	184	184	CD
33397	83	29	to	to	IN
33397	83	30	188	188	CD
33397	83	31	-	-	HYPH
33397	83	32	3/4	3/4	CD
33397	83	33	inches	inch	NNS
33397	83	34	.	.	.
33397	84	1	Also	also	RB
33397	84	2	,	,	,
33397	84	3	the	the	DT
33397	84	4	pole	pole	NN
33397	84	5	gap	gap	NN
33397	84	6	at	at	IN
33397	84	7	the	the	DT
33397	84	8	center	center	NN
33397	84	9	was	be	VBD
33397	84	10	reduced	reduce	VBN
33397	84	11	from	from	IN
33397	84	12	21	21	CD
33397	84	13	to	to	TO
33397	84	14	14	14	CD
33397	84	15	inches	inch	NNS
33397	84	16	.	.	.
33397	85	1	These	these	DT
33397	85	2	changes	change	NNS
33397	85	3	increased	increase	VBD
33397	85	4	the	the	DT
33397	85	5	weight	weight	NN
33397	85	6	of	of	IN
33397	85	7	steel	steel	NN
33397	85	8	in	in	IN
33397	85	9	the	the	DT
33397	85	10	magnet	magnet	NN
33397	85	11	from	from	IN
33397	85	12	3700	3700	CD
33397	85	13	to	to	IN
33397	85	14	4000	4000	CD
33397	85	15	tons	ton	NNS
33397	85	16	.	.	.
33397	86	1	The	the	DT
33397	86	2	main	main	JJ
33397	86	3	exciting	exciting	JJ
33397	86	4	coils	coil	NNS
33397	86	5	,	,	,
33397	86	6	which	which	WDT
33397	86	7	contain	contain	VBP
33397	86	8	1300	1300	CD
33397	86	9	turns	turn	NNS
33397	86	10	of	of	IN
33397	86	11	copper	copper	NN
33397	86	12	-	-	HYPH
33397	86	13	bar	bar	NN
33397	86	14	conductor	conductor	NN
33397	86	15	each	each	DT
33397	86	16	,	,	,
33397	86	17	were	be	VBD
33397	86	18	not	not	RB
33397	86	19	altered	alter	VBN
33397	86	20	.	.	.
33397	87	1	Two	two	CD
33397	87	2	auxiliary	auxiliary	JJ
33397	87	3	coils	coil	NNS
33397	87	4	containing	contain	VBG
33397	87	5	425	425	CD
33397	87	6	turns	turn	VBZ
33397	87	7	each	each	DT
33397	87	8	were	be	VBD
33397	87	9	added	add	VBN
33397	87	10	.	.	.
33397	88	1	This	this	DT
33397	88	2	brought	bring	VBD
33397	88	3	the	the	DT
33397	88	4	total	total	JJ
33397	88	5	weight	weight	NN
33397	88	6	of	of	IN
33397	88	7	copper	copper	NN
33397	88	8	from	from	IN
33397	88	9	300	300	CD
33397	88	10	to	to	TO
33397	88	11	340	340	CD
33397	88	12	tons	ton	NNS
33397	88	13	.	.	.
33397	89	1	The	the	DT
33397	89	2	coils	coil	NNS
33397	89	3	are	be	VBP
33397	89	4	layer	layer	NN
33397	89	5	-	-	HYPH
33397	89	6	wound	wind	VBN
33397	89	7	around	around	IN
33397	89	8	the	the	DT
33397	89	9	pole	pole	NN
33397	89	10	pieces	piece	NNS
33397	89	11	close	close	JJ
33397	89	12	to	to	IN
33397	89	13	the	the	DT
33397	89	14	pole	pole	NN
33397	89	15	gap	gap	NN
33397	89	16	.	.	.
33397	90	1	Other	other	JJ
33397	90	2	data	datum	NNS
33397	90	3	about	about	IN
33397	90	4	the	the	DT
33397	90	5	coils	coil	NNS
33397	90	6	are	be	VBP
33397	90	7	given	give	VBN
33397	90	8	in	in	IN
33397	90	9	the	the	DT
33397	90	10	appendix	appendix	NNP
33397	90	11	.	.	.
33397	91	1	The	the	DT
33397	91	2	effect	effect	NN
33397	91	3	of	of	IN
33397	91	4	these	these	DT
33397	91	5	modifications	modification	NNS
33397	91	6	was	be	VBD
33397	91	7	to	to	TO
33397	91	8	increase	increase	VB
33397	91	9	the	the	DT
33397	91	10	field	field	NN
33397	91	11	strength	strength	NN
33397	91	12	at	at	IN
33397	91	13	the	the	DT
33397	91	14	center	center	NN
33397	91	15	of	of	IN
33397	91	16	the	the	DT
33397	91	17	pole	pole	NN
33397	91	18	gap	gap	NN
33397	91	19	from	from	IN
33397	91	20	15,000	15,000	CD
33397	91	21	to	to	TO
33397	91	22	23,400	23,400	CD
33397	91	23	gauss	gaus	NNS
33397	91	24	.	.	.
33397	92	1	This	this	DT
33397	92	2	increase	increase	NN
33397	92	3	made	make	VBD
33397	92	4	it	-PRON-	PRP
33397	92	5	possible	possible	JJ
33397	92	6	to	to	TO
33397	92	7	obtain	obtain	VB
33397	92	8	the	the	DT
33397	92	9	higher	high	JJR
33397	92	10	-	-	HYPH
33397	92	11	energy	energy	NN
33397	92	12	ions	ion	NNS
33397	92	13	.	.	.
33397	93	1	Power	power	NN
33397	93	2	is	be	VBZ
33397	93	3	supplied	supply	VBN
33397	93	4	to	to	IN
33397	93	5	the	the	DT
33397	93	6	coils	coil	NNS
33397	93	7	by	by	IN
33397	93	8	two	two	CD
33397	93	9	motor	motor	NN
33397	93	10	generator	generator	NN
33397	93	11	sets	set	NNS
33397	93	12	,	,	,
33397	93	13	which	which	WDT
33397	93	14	produce	produce	VBP
33397	93	15	the	the	DT
33397	93	16	direct	direct	JJ
33397	93	17	current	current	NN
33397	93	18	required	require	VBN
33397	93	19	for	for	IN
33397	93	20	a	a	DT
33397	93	21	steady	steady	JJ
33397	93	22	magnetic	magnetic	JJ
33397	93	23	field	field	NN
33397	93	24	.	.	.
33397	94	1	The	the	DT
33397	94	2	direct	direct	JJ
33397	94	3	current	current	NN
33397	94	4	from	from	IN
33397	94	5	the	the	DT
33397	94	6	motor	motor	NN
33397	94	7	generators	generator	NNS
33397	94	8	is	be	VBZ
33397	94	9	regulated	regulate	VBN
33397	94	10	so	so	IN
33397	94	11	that	that	IN
33397	94	12	the	the	DT
33397	94	13	magnetic	magnetic	JJ
33397	94	14	-	-	HYPH
33397	94	15	field	field	NN
33397	94	16	fluctuation	fluctuation	NN
33397	94	17	is	be	VBZ
33397	94	18	less	less	JJR
33397	94	19	than	than	IN
33397	94	20	one	one	CD
33397	94	21	part	part	NN
33397	94	22	in	in	IN
33397	94	23	10,000	10,000	CD
33397	94	24	.	.	.
33397	95	1	This	this	DT
33397	95	2	is	be	VBZ
33397	95	3	necessary	necessary	JJ
33397	95	4	if	if	IN
33397	95	5	one	one	PRP
33397	95	6	wants	want	VBZ
33397	95	7	an	an	DT
33397	95	8	external	external	JJ
33397	95	9	beam	beam	NN
33397	95	10	of	of	IN
33397	95	11	nearly	nearly	RB
33397	95	12	uniform	uniform	JJ
33397	95	13	energy	energy	NN
33397	95	14	.	.	.
33397	96	1	In	in	IN
33397	96	2	order	order	NN
33397	96	3	to	to	TO
33397	96	4	prevent	prevent	VB
33397	96	5	the	the	DT
33397	96	6	beam	beam	NN
33397	96	7	from	from	IN
33397	96	8	becoming	become	VBG
33397	96	9	unstable	unstable	JJ
33397	96	10	and	and	CC
33397	96	11	striking	strike	VBG
33397	96	12	the	the	DT
33397	96	13	dee	dee	NN
33397	96	14	,	,	,
33397	96	15	the	the	DT
33397	96	16	magnetic	magnetic	JJ
33397	96	17	field	field	NN
33397	96	18	must	must	MD
33397	96	19	be	be	VB
33397	96	20	strongest	strong	JJS
33397	96	21	at	at	IN
33397	96	22	the	the	DT
33397	96	23	center	center	NN
33397	96	24	and	and	CC
33397	96	25	decrease	decrease	NN
33397	96	26	radially	radially	NN
33397	96	27	(	(	-LRB-
33397	96	28	Fig	fig	NN
33397	96	29	.	.	.
33397	97	1	4a	4a	LS
33397	97	2	)	)	-RRB-
33397	97	3	.	.	.
33397	98	1	With	with	IN
33397	98	2	flat	flat	JJ
33397	98	3	pole	pole	NN
33397	98	4	faces	face	VBZ
33397	98	5	the	the	DT
33397	98	6	field	field	NN
33397	98	7	does	do	VBZ
33397	98	8	not	not	RB
33397	98	9	decrease	decrease	VB
33397	98	10	uniformly	uniformly	RB
33397	98	11	.	.	.
33397	99	1	To	to	TO
33397	99	2	give	give	VB
33397	99	3	the	the	DT
33397	99	4	desired	desire	VBN
33397	99	5	rate	rate	NN
33397	99	6	of	of	IN
33397	99	7	decrease	decrease	NN
33397	99	8	,	,	,
33397	99	9	the	the	DT
33397	99	10	pole	pole	NN
33397	99	11	faces	face	NNS
33397	99	12	are	be	VBP
33397	99	13	shimmed	shim	VBN
33397	99	14	with	with	IN
33397	99	15	concentric	concentric	JJ
33397	99	16	steel	steel	NN
33397	99	17	rings	ring	NNS
33397	99	18	of	of	IN
33397	99	19	varying	vary	VBG
33397	99	20	thickness	thickness	NN
33397	99	21	,	,	,
33397	99	22	as	as	IN
33397	99	23	shown	show	VBN
33397	99	24	in	in	IN
33397	99	25	Fig	Fig	NNP
33397	99	26	.	.	.
33397	100	1	4b	4b	LS
33397	100	2	.	.	.
33397	101	1	In	in	IN
33397	101	2	a	a	DT
33397	101	3	radially	radially	NN
33397	101	4	decreasing	decrease	VBG
33397	101	5	magnetic	magnetic	JJ
33397	101	6	field	field	NN
33397	101	7	,	,	,
33397	101	8	the	the	DT
33397	101	9	lines	line	NNS
33397	101	10	of	of	IN
33397	101	11	magnetic	magnetic	JJ
33397	101	12	flux	flux	NN
33397	101	13	bow	bow	NN
33397	101	14	outward	outward	RB
33397	101	15	,	,	,
33397	101	16	as	as	IN
33397	101	17	represented	represent	VBN
33397	101	18	in	in	IN
33397	101	19	Fig	Fig	NNP
33397	101	20	.	.	.
33397	102	1	4b	4b	LS
33397	102	2	.	.	.
33397	103	1	Ions	ion	NNS
33397	103	2	moving	move	VBG
33397	103	3	in	in	IN
33397	103	4	a	a	DT
33397	103	5	magnetic	magnetic	JJ
33397	103	6	field	field	NN
33397	103	7	are	be	VBP
33397	103	8	deflected	deflect	VBN
33397	103	9	at	at	IN
33397	103	10	right	right	JJ
33397	103	11	angles	angle	NNS
33397	103	12	to	to	IN
33397	103	13	these	these	DT
33397	103	14	flux	flux	JJ
33397	103	15	lines	line	NNS
33397	103	16	.	.	.
33397	104	1	Ions	ion	NNS
33397	104	2	above	above	IN
33397	104	3	the	the	DT
33397	104	4	midplane	midplane	NN
33397	104	5	of	of	IN
33397	104	6	the	the	DT
33397	104	7	cyclotron	cyclotron	NN
33397	104	8	are	be	VBP
33397	104	9	directed	direct	VBN
33397	104	10	downward	downward	RB
33397	104	11	;	;	:
33397	104	12	those	those	DT
33397	104	13	below	below	IN
33397	104	14	the	the	DT
33397	104	15	midplane	midplane	NN
33397	104	16	are	be	VBP
33397	104	17	directed	direct	VBN
33397	104	18	upward	upward	RB
33397	104	19	.	.	.
33397	105	1	In	in	IN
33397	105	2	this	this	DT
33397	105	3	way	way	NN
33397	105	4	an	an	DT
33397	105	5	ion	ion	NN
33397	105	6	oscillates	oscillate	VBZ
33397	105	7	about	about	IN
33397	105	8	the	the	DT
33397	105	9	midplane	midplane	JJ
33397	105	10	and	and	CC
33397	105	11	vertical	vertical	JJ
33397	105	12	focusing	focusing	NN
33397	105	13	is	be	VBZ
33397	105	14	achieved	achieve	VBN
33397	105	15	.	.	.
33397	106	1	[	[	-LRB-
33397	106	2	Illustration	illustration	NN
33397	106	3	:	:	:
33397	106	4	Fig	Fig	NNP
33397	106	5	.	.	.
33397	107	1	4	4	LS
33397	107	2	.	.	.
33397	108	1	(	(	-LRB-
33397	108	2	a	a	LS
33397	108	3	)	)	-RRB-
33397	108	4	Plot	Plot	NNP
33397	108	5	of	of	IN
33397	108	6	magnetic	magnetic	JJ
33397	108	7	-	-	HYPH
33397	108	8	field	field	NN
33397	108	9	strength	strength	NN
33397	108	10	vs	vs	IN
33397	108	11	radius	radius	NN
33397	108	12	.	.	.
33397	109	1	The	the	DT
33397	109	2	field	field	NN
33397	109	3	strength	strength	NN
33397	109	4	decreases	decrease	VBZ
33397	109	5	gradually	gradually	RB
33397	109	6	out	out	IN
33397	109	7	to	to	IN
33397	109	8	a	a	DT
33397	109	9	radius	radius	NN
33397	109	10	of	of	IN
33397	109	11	about	about	IN
33397	109	12	83-in	83-in	NNP
33397	109	13	.	.	.
33397	109	14	,	,	,
33397	109	15	after	after	IN
33397	109	16	which	which	WDT
33397	109	17	it	-PRON-	PRP
33397	109	18	falls	fall	VBZ
33397	109	19	off	off	RP
33397	109	20	sharply	sharply	RB
33397	109	21	.	.	.
33397	110	1	This	this	DT
33397	110	2	point	point	NN
33397	110	3	marks	mark	VBZ
33397	110	4	the	the	DT
33397	110	5	maximum	maximum	JJ
33397	110	6	usable	usable	JJ
33397	110	7	radius	radius	NN
33397	110	8	for	for	IN
33397	110	9	particle	particle	NN
33397	110	10	orbits	orbit	NNS
33397	110	11	.	.	.
33397	111	1	Further	further	RB
33397	111	2	out	out	RB
33397	111	3	they	-PRON-	PRP
33397	111	4	are	be	VBP
33397	111	5	unstable	unstable	JJ
33397	111	6	.	.	.
33397	112	1	(	(	-LRB-
33397	112	2	b	b	LS
33397	112	3	)	)	-RRB-
33397	112	4	Magnetic	magnetic	JJ
33397	112	5	flux	flux	NN
33397	112	6	lines	line	NNS
33397	112	7	are	be	VBP
33397	112	8	represented	represent	VBN
33397	112	9	as	as	IN
33397	112	10	broken	break	VBN
33397	112	11	arrows	arrow	NNS
33397	112	12	,	,	,
33397	112	13	and	and	CC
33397	112	14	focusing	focus	VBG
33397	112	15	forces	force	NNS
33397	112	16	as	as	IN
33397	112	17	solid	solid	JJ
33397	112	18	arrows	arrow	NNS
33397	112	19	.	.	.
33397	113	1	An	an	DT
33397	113	2	ion	ion	NN
33397	113	3	above	above	IN
33397	113	4	the	the	DT
33397	113	5	midplane	midplane	NN
33397	113	6	is	be	VBZ
33397	113	7	directed	direct	VBN
33397	113	8	downward	downward	RB
33397	113	9	,	,	,
33397	113	10	while	while	IN
33397	113	11	an	an	DT
33397	113	12	ion	ion	NN
33397	113	13	below	below	IN
33397	113	14	the	the	DT
33397	113	15	midplane	midplane	NN
33397	113	16	is	be	VBZ
33397	113	17	directed	direct	VBN
33397	113	18	upward	upward	RB
33397	113	19	.	.	.
33397	113	20	]	]	-RRB-
33397	114	1	Radial	radial	JJ
33397	114	2	focusing	focusing	NN
33397	114	3	is	be	VBZ
33397	114	4	accomplished	accomplish	VBN
33397	114	5	in	in	IN
33397	114	6	a	a	DT
33397	114	7	somewhat	somewhat	RB
33397	114	8	analogous	analogous	JJ
33397	114	9	manner	manner	NN
33397	114	10	.	.	.
33397	115	1	If	if	IN
33397	115	2	the	the	DT
33397	115	3	magnetic	magnetic	JJ
33397	115	4	field	field	NN
33397	115	5	decreases	decrease	VBZ
33397	115	6	with	with	IN
33397	115	7	radius	radius	NN
33397	115	8	,	,	,
33397	115	9	radial	radial	JJ
33397	115	10	restoring	restore	VBG
33397	115	11	forces	force	NNS
33397	115	12	are	be	VBP
33397	115	13	established	establish	VBN
33397	115	14	.	.	.
33397	116	1	An	an	DT
33397	116	2	ion	ion	NN
33397	116	3	at	at	IN
33397	116	4	too	too	RB
33397	116	5	large	large	JJ
33397	116	6	a	a	DT
33397	116	7	radius	radius	NN
33397	116	8	is	be	VBZ
33397	116	9	directed	direct	VBN
33397	116	10	inward	inward	RB
33397	116	11	,	,	,
33397	116	12	and	and	CC
33397	116	13	an	an	DT
33397	116	14	ion	ion	NN
33397	116	15	at	at	RB
33397	116	16	too	too	RB
33397	116	17	small	small	JJ
33397	116	18	a	a	DT
33397	116	19	radius	radius	NN
33397	116	20	is	be	VBZ
33397	116	21	directed	direct	VBN
33397	116	22	outward	outward	RB
33397	116	23	.	.	.
33397	117	1	In	in	IN
33397	117	2	this	this	DT
33397	117	3	fashion	fashion	NN
33397	117	4	,	,	,
33397	117	5	the	the	DT
33397	117	6	ion	ion	NN
33397	117	7	oscillates	oscillate	VBZ
33397	117	8	about	about	IN
33397	117	9	the	the	DT
33397	117	10	synchronous	synchronous	JJ
33397	117	11	orbit	orbit	NN
33397	117	12	.	.	.
33397	118	1	Thus	thus	RB
33397	118	2	,	,	,
33397	118	3	radial	radial	JJ
33397	118	4	focusing	focusing	NN
33397	118	5	is	be	VBZ
33397	118	6	achieved	achieve	VBN
33397	118	7	.	.	.
33397	119	1	_	_	NNP
33397	119	2	Vacuum	Vacuum	NNP
33397	119	3	System	System	NNP
33397	119	4	_	_	NNP
33397	119	5	The	the	DT
33397	119	6	vacuum	vacuum	NN
33397	119	7	tank	tank	NN
33397	119	8	(	(	-LRB-
33397	119	9	acceleration	acceleration	NN
33397	119	10	chamber	chamber	NN
33397	119	11	)	)	-RRB-
33397	119	12	is	be	VBZ
33397	119	13	a	a	DT
33397	119	14	steel	steel	NN
33397	119	15	box	box	NN
33397	119	16	20	20	CD
33397	119	17	×	×	CD
33397	119	18	25	25	CD
33397	119	19	ft	ft	NNS
33397	119	20	and	and	CC
33397	119	21	4	4	CD
33397	119	22	ft	ft	NN
33397	119	23	high	high	JJ
33397	119	24	.	.	.
33397	120	1	It	-PRON-	PRP
33397	120	2	is	be	VBZ
33397	120	3	evacuated	evacuate	VBN
33397	120	4	to	to	IN
33397	120	5	a	a	DT
33397	120	6	pressure	pressure	NN
33397	120	7	of	of	IN
33397	120	8	10^{-5	10^{-5	CD
33397	120	9	}	}	-RRB-
33397	120	10	millimeter	millimeter	NNP
33397	120	11	of	of	IN
33397	120	12	mercury	mercury	NNP
33397	120	13	(	(	-LRB-
33397	120	14	about	about	RB
33397	120	15	one	one	CD
33397	120	16	100-millionth	100-millionth	CD
33397	120	17	of	of	IN
33397	120	18	atmospheric	atmospheric	JJ
33397	120	19	pressure	pressure	NN
33397	120	20	)	)	-RRB-
33397	120	21	.	.	.
33397	121	1	The	the	DT
33397	121	2	pumping	pump	VBG
33397	121	3	equipment	equipment	NN
33397	121	4	consists	consist	VBZ
33397	121	5	of	of	IN
33397	121	6	six	six	CD
33397	121	7	oil	oil	NN
33397	121	8	-	-	HYPH
33397	121	9	diffusion	diffusion	NN
33397	121	10	pumps	pump	NNS
33397	121	11	and	and	CC
33397	121	12	four	four	CD
33397	121	13	mechanical	mechanical	JJ
33397	121	14	vacuum	vacuum	NN
33397	121	15	pumps	pump	NNS
33397	121	16	.	.	.
33397	122	1	The	the	DT
33397	122	2	pumping	pump	VBG
33397	122	3	speed	speed	NN
33397	122	4	of	of	IN
33397	122	5	the	the	DT
33397	122	6	six	six	CD
33397	122	7	20-in	20-in	NNS
33397	122	8	.	.	.
33397	123	1	oil	oil	NN
33397	123	2	-	-	HYPH
33397	123	3	diffusion	diffusion	NN
33397	123	4	pumps	pump	NNS
33397	123	5	is	be	VBZ
33397	123	6	a	a	DT
33397	123	7	total	total	NN
33397	123	8	of	of	IN
33397	123	9	20,000	20,000	CD
33397	123	10	liters	liter	NNS
33397	123	11	/	/	SYM
33397	123	12	sec	sec	NNP
33397	123	13	.	.	.
33397	124	1	_	_	NNP
33397	124	2	Ion	Ion	NNP
33397	124	3	Source	Source	NNP
33397	124	4	_	_	NNP
33397	124	5	The	the	DT
33397	124	6	ion	ion	NN
33397	124	7	source	source	NN
33397	124	8	is	be	VBZ
33397	124	9	a	a	DT
33397	124	10	simple	simple	JJ
33397	124	11	arc	arc	NN
33397	124	12	-	-	HYPH
33397	124	13	type	type	NN
33397	124	14	.	.	.
33397	125	1	Hydrogen	hydrogen	NN
33397	125	2	gas	gas	NN
33397	125	3	is	be	VBZ
33397	125	4	allowed	allow	VBN
33397	125	5	to	to	TO
33397	125	6	leak	leak	VB
33397	125	7	into	into	IN
33397	125	8	the	the	DT
33397	125	9	ion	ion	NN
33397	125	10	-	-	HYPH
33397	125	11	source	source	NN
33397	125	12	enclosure	enclosure	NN
33397	125	13	near	near	IN
33397	125	14	a	a	DT
33397	125	15	tungsten	tungsten	VBN
33397	125	16	filament	filament	NN
33397	125	17	,	,	,
33397	125	18	which	which	WDT
33397	125	19	is	be	VBZ
33397	125	20	heated	heat	VBN
33397	125	21	to	to	TO
33397	125	22	incandescence	incandescence	NN
33397	125	23	.	.	.
33397	126	1	Electrons	electron	NNS
33397	126	2	emitted	emit	VBN
33397	126	3	by	by	IN
33397	126	4	the	the	DT
33397	126	5	filament	filament	NN
33397	126	6	knock	knock	VB
33397	126	7	off	off	RP
33397	126	8	electrons	electron	NNS
33397	126	9	from	from	IN
33397	126	10	hydrogen	hydrogen	NN
33397	126	11	atoms	atom	NNS
33397	126	12	,	,	,
33397	126	13	leaving	leave	VBG
33397	126	14	free	free	JJ
33397	126	15	protons	proton	NNS
33397	126	16	.	.	.
33397	127	1	The	the	DT
33397	127	2	protons	proton	NNS
33397	127	3	then	then	RB
33397	127	4	escape	escape	VBP
33397	127	5	into	into	IN
33397	127	6	the	the	DT
33397	127	7	acceleration	acceleration	NN
33397	127	8	chamber	chamber	NN
33397	127	9	through	through	IN
33397	127	10	a	a	DT
33397	127	11	hole	hole	NN
33397	127	12	in	in	IN
33397	127	13	the	the	DT
33397	127	14	ion	ion	NN
33397	127	15	-	-	HYPH
33397	127	16	source	source	NN
33397	127	17	housing	housing	NN
33397	127	18	.	.	.
33397	128	1	Once	once	RB
33397	128	2	inside	inside	RB
33397	128	3	,	,	,
33397	128	4	the	the	DT
33397	128	5	protons	proton	NNS
33397	128	6	are	be	VBP
33397	128	7	accelerated	accelerate	VBN
33397	128	8	by	by	IN
33397	128	9	the	the	DT
33397	128	10	dee	dee	JJ
33397	128	11	potential	potential	NN
33397	128	12	.	.	.
33397	129	1	Deuterons	deuteron	NNS
33397	129	2	or	or	CC
33397	129	3	alpha	alpha	NN
33397	129	4	particles	particle	NNS
33397	129	5	are	be	VBP
33397	129	6	obtained	obtain	VBN
33397	129	7	in	in	IN
33397	129	8	a	a	DT
33397	129	9	similar	similar	JJ
33397	129	10	fashion	fashion	NN
33397	129	11	using	use	VBG
33397	129	12	deuterium	deuterium	NN
33397	129	13	or	or	CC
33397	129	14	helium	helium	NN
33397	129	15	gas	gas	NN
33397	129	16	in	in	IN
33397	129	17	place	place	NN
33397	129	18	of	of	IN
33397	129	19	hydrogen	hydrogen	NN
33397	129	20	.	.	.
33397	130	1	_	_	NNP
33397	130	2	Radiofrequency	Radiofrequency	NNP
33397	130	3	System	System	NNP
33397	130	4	_	_	NNP
33397	130	5	The	the	DT
33397	130	6	184-inch	184-inch	CD
33397	130	7	synchrocyclotron	synchrocyclotron	NN
33397	130	8	has	have	VBZ
33397	130	9	a	a	DT
33397	130	10	single	single	JJ
33397	130	11	dee	dee	NN
33397	130	12	instead	instead	RB
33397	130	13	of	of	IN
33397	130	14	the	the	DT
33397	130	15	double	double	JJ
33397	130	16	-	-	HYPH
33397	130	17	dee	dee	JJ
33397	130	18	arrangement	arrangement	NN
33397	130	19	described	describe	VBN
33397	130	20	above	above	IN
33397	130	21	for	for	IN
33397	130	22	illustrative	illustrative	JJ
33397	130	23	purposes	purpose	NNS
33397	130	24	.	.	.
33397	131	1	The	the	DT
33397	131	2	accelerating	accelerate	VBG
33397	131	3	electric	electric	JJ
33397	131	4	field	field	NN
33397	131	5	is	be	VBZ
33397	131	6	developed	develop	VBN
33397	131	7	between	between	IN
33397	131	8	the	the	DT
33397	131	9	dee	dee	NN
33397	131	10	and	and	CC
33397	131	11	a	a	DT
33397	131	12	dummy	dummy	JJ
33397	131	13	dee	dee	NN
33397	131	14	which	which	WDT
33397	131	15	is	be	VBZ
33397	131	16	grounded	ground	VBN
33397	131	17	to	to	IN
33397	131	18	the	the	DT
33397	131	19	vacuum	vacuum	NN
33397	131	20	tank	tank	NN
33397	131	21	.	.	.
33397	132	1	Using	use	VBG
33397	132	2	a	a	DT
33397	132	3	single	single	JJ
33397	132	4	dee	dee	NN
33397	132	5	does	do	VBZ
33397	132	6	not	not	RB
33397	132	7	change	change	VB
33397	132	8	the	the	DT
33397	132	9	principle	principle	NN
33397	132	10	of	of	IN
33397	132	11	operation	operation	NN
33397	132	12	,	,	,
33397	132	13	yet	yet	CC
33397	132	14	it	-PRON-	PRP
33397	132	15	offers	offer	VBZ
33397	132	16	the	the	DT
33397	132	17	advantage	advantage	NN
33397	132	18	of	of	IN
33397	132	19	allowing	allow	VBG
33397	132	20	more	more	JJR
33397	132	21	space	space	NN
33397	132	22	for	for	IN
33397	132	23	auxiliary	auxiliary	JJ
33397	132	24	equipment	equipment	NN
33397	132	25	inside	inside	IN
33397	132	26	the	the	DT
33397	132	27	vacuum	vacuum	NN
33397	132	28	tank	tank	NN
33397	132	29	.	.	.
33397	133	1	Also	also	RB
33397	133	2	,	,	,
33397	133	3	the	the	DT
33397	133	4	construction	construction	NN
33397	133	5	is	be	VBZ
33397	133	6	much	much	RB
33397	133	7	simpler	simple	JJR
33397	133	8	.	.	.
33397	134	1	The	the	DT
33397	134	2	dummy	dummy	JJ
33397	134	3	dee	dee	NN
33397	134	4	is	be	VBZ
33397	134	5	not	not	RB
33397	134	6	essential	essential	JJ
33397	134	7	for	for	IN
33397	134	8	operation	operation	NN
33397	134	9	,	,	,
33397	134	10	but	but	CC
33397	134	11	it	-PRON-	PRP
33397	134	12	does	do	VBZ
33397	134	13	improve	improve	VB
33397	134	14	performance	performance	NN
33397	134	15	.	.	.
33397	135	1	[	[	-LRB-
33397	135	2	Illustration	illustration	NN
33397	135	3	:	:	:
33397	135	4	Fig	Fig	NNP
33397	135	5	.	.	.
33397	136	1	5	5	CD
33397	136	2	.	.	.
33397	137	1	Radiofrequency	radiofrequency	NN
33397	137	2	cycle	cycle	NN
33397	137	3	for	for	IN
33397	137	4	accelerating	accelerate	VBG
33397	137	5	protons	proton	NNS
33397	137	6	.	.	.
33397	138	1	Sixty	sixty	CD
33397	138	2	-	-	HYPH
33397	138	3	four	four	CD
33397	138	4	such	such	JJ
33397	138	5	cycles	cycle	NNS
33397	138	6	are	be	VBP
33397	138	7	repeated	repeat	VBN
33397	138	8	each	each	DT
33397	138	9	second	second	JJ
33397	138	10	.	.	.
33397	138	11	]	]	-RRB-
33397	139	1	Radiofrequency	radiofrequency	JJ
33397	139	2	power	power	NN
33397	139	3	is	be	VBZ
33397	139	4	supplied	supply	VBN
33397	139	5	to	to	IN
33397	139	6	the	the	DT
33397	139	7	dee	dee	NN
33397	139	8	by	by	IN
33397	139	9	a	a	DT
33397	139	10	vacuum	vacuum	NN
33397	139	11	-	-	HYPH
33397	139	12	tube	tube	NN
33397	139	13	oscillator	oscillator	NN
33397	139	14	.	.	.
33397	140	1	The	the	DT
33397	140	2	frequency	frequency	NN
33397	140	3	of	of	IN
33397	140	4	oscillation	oscillation	NN
33397	140	5	must	must	MD
33397	140	6	decrease	decrease	VB
33397	140	7	during	during	IN
33397	140	8	the	the	DT
33397	140	9	acceleration	acceleration	NN
33397	140	10	cycle	cycle	NN
33397	140	11	,	,	,
33397	140	12	as	as	IN
33397	140	13	indicated	indicate	VBN
33397	140	14	above	above	RB
33397	140	15	.	.	.
33397	141	1	For	for	IN
33397	141	2	protons	proton	NNS
33397	141	3	,	,	,
33397	141	4	the	the	DT
33397	141	5	frequency	frequency	NN
33397	141	6	at	at	IN
33397	141	7	the	the	DT
33397	141	8	start	start	NN
33397	141	9	of	of	IN
33397	141	10	acceleration	acceleration	NN
33397	141	11	is	be	VBZ
33397	141	12	36	36	CD
33397	141	13	megacycles	megacycle	NNS
33397	141	14	(	(	-LRB-
33397	141	15	Mc	Mc	NNP
33397	141	16	)	)	-RRB-
33397	141	17	.	.	.
33397	142	1	At	at	IN
33397	142	2	the	the	DT
33397	142	3	end	end	NN
33397	142	4	of	of	IN
33397	142	5	acceleration	acceleration	NN
33397	142	6	the	the	DT
33397	142	7	frequency	frequency	NN
33397	142	8	is	be	VBZ
33397	142	9	only	only	RB
33397	142	10	18	18	CD
33397	142	11	Mc	Mc	NNP
33397	142	12	(	(	-LRB-
33397	142	13	see	see	VB
33397	142	14	Fig	Fig	NNP
33397	142	15	.	.	.
33397	143	1	5	5	LS
33397	143	2	)	)	-RRB-
33397	143	3	.	.	.
33397	144	1	This	this	DT
33397	144	2	change	change	NN
33397	144	3	in	in	IN
33397	144	4	frequency	frequency	NN
33397	144	5	is	be	VBZ
33397	144	6	achieved	achieve	VBN
33397	144	7	by	by	IN
33397	144	8	varying	vary	VBG
33397	144	9	the	the	DT
33397	144	10	electrical	electrical	JJ
33397	144	11	capacitance	capacitance	NN
33397	144	12	in	in	IN
33397	144	13	the	the	DT
33397	144	14	tuned	tune	VBN
33397	144	15	circuit	circuit	NN
33397	144	16	of	of	IN
33397	144	17	the	the	DT
33397	144	18	oscillator	oscillator	NN
33397	144	19	.	.	.
33397	145	1	(	(	-LRB-
33397	145	2	This	this	DT
33397	145	3	is	be	VBZ
33397	145	4	what	what	WP
33397	145	5	you	-PRON-	PRP
33397	145	6	do	do	VBP
33397	145	7	when	when	WRB
33397	145	8	you	-PRON-	PRP
33397	145	9	dial	dial	VBP
33397	145	10	a	a	DT
33397	145	11	different	different	JJ
33397	145	12	station	station	NN
33397	145	13	on	on	IN
33397	145	14	a	a	DT
33397	145	15	radio	radio	NN
33397	145	16	.	.	.
33397	145	17	)	)	-RRB-
33397	146	1	This	this	DT
33397	146	2	tuned	tune	VBN
33397	146	3	circuit	circuit	NN
33397	146	4	,	,	,
33397	146	5	which	which	WDT
33397	146	6	is	be	VBZ
33397	146	7	called	call	VBN
33397	146	8	the	the	DT
33397	146	9	cyclotron	cyclotron	NNP
33397	146	10	resonator	resonator	NN
33397	146	11	,	,	,
33397	146	12	is	be	VBZ
33397	146	13	shown	show	VBN
33397	146	14	in	in	IN
33397	146	15	Fig	Fig	NNP
33397	146	16	.	.	.
33397	147	1	6	6	CD
33397	147	2	.	.	.
33397	148	1	[	[	-LRB-
33397	148	2	Illustration	illustration	NN
33397	148	3	:	:	:
33397	148	4	Fig	Fig	NNP
33397	148	5	.	.	.
33397	149	1	6	6	CD
33397	149	2	.	.	.
33397	150	1	Cyclotron	Cyclotron	NNP
33397	150	2	resonator	resonator	NN
33397	150	3	.	.	.
33397	150	4	]	]	-RRB-
33397	151	1	Because	because	IN
33397	151	2	the	the	DT
33397	151	3	frequency	frequency	NN
33397	151	4	must	must	MD
33397	151	5	change	change	VB
33397	151	6	over	over	IN
33397	151	7	such	such	PDT
33397	151	8	a	a	DT
33397	151	9	wide	wide	JJ
33397	151	10	range	range	NN
33397	151	11	(	(	-LRB-
33397	151	12	from	from	IN
33397	151	13	36	36	CD
33397	151	14	to	to	IN
33397	151	15	18	18	CD
33397	151	16	Mc	Mc	NNP
33397	151	17	)	)	-RRB-
33397	151	18	,	,	,
33397	151	19	the	the	DT
33397	151	20	electrical	electrical	JJ
33397	151	21	capacitance	capacitance	NN
33397	151	22	must	must	MD
33397	151	23	be	be	VB
33397	151	24	varied	vary	VBN
33397	151	25	by	by	IN
33397	151	26	a	a	DT
33397	151	27	factor	factor	NN
33397	151	28	of	of	IN
33397	151	29	20	20	CD
33397	151	30	to	to	TO
33397	151	31	1	1	CD
33397	151	32	.	.	.
33397	152	1	This	this	DT
33397	152	2	is	be	VBZ
33397	152	3	done	do	VBN
33397	152	4	by	by	IN
33397	152	5	a	a	DT
33397	152	6	variable	variable	JJ
33397	152	7	capacitor	capacitor	NN
33397	152	8	of	of	IN
33397	152	9	unique	unique	JJ
33397	152	10	design	design	NN
33397	152	11	.	.	.
33397	153	1	It	-PRON-	PRP
33397	153	2	resembles	resemble	VBZ
33397	153	3	two	two	CD
33397	153	4	giant	giant	JJ
33397	153	5	tuning	tuning	NN
33397	153	6	forks	fork	NNS
33397	153	7	.	.	.
33397	154	1	As	as	IN
33397	154	2	the	the	DT
33397	154	3	blades	blade	NNS
33397	154	4	of	of	IN
33397	154	5	the	the	DT
33397	154	6	tuning	tuning	NN
33397	154	7	forks	fork	NNS
33397	154	8	vibrate	vibrate	VBP
33397	154	9	,	,	,
33397	154	10	the	the	DT
33397	154	11	capacitance	capacitance	NN
33397	154	12	is	be	VBZ
33397	154	13	alternately	alternately	RB
33397	154	14	increased	increase	VBN
33397	154	15	and	and	CC
33397	154	16	decreased	decrease	VBN
33397	154	17	by	by	IN
33397	154	18	the	the	DT
33397	154	19	required	require	VBN
33397	154	20	amount	amount	NN
33397	154	21	.	.	.
33397	155	1	These	these	DT
33397	155	2	two	two	CD
33397	155	3	tuning	tuning	NN
33397	155	4	forks	fork	NNS
33397	155	5	must	must	MD
33397	155	6	be	be	VB
33397	155	7	kept	keep	VBN
33397	155	8	in	in	IN
33397	155	9	step	step	NN
33397	155	10	with	with	IN
33397	155	11	great	great	JJ
33397	155	12	precision	precision	NN
33397	155	13	.	.	.
33397	156	1	This	this	DT
33397	156	2	is	be	VBZ
33397	156	3	to	to	TO
33397	156	4	prevent	prevent	VB
33397	156	5	the	the	DT
33397	156	6	oscillator	oscillator	NN
33397	156	7	from	from	IN
33397	156	8	exciting	exciting	JJ
33397	156	9	lateral	lateral	JJ
33397	156	10	rf	rf	NNP
33397	156	11	resonances	resonance	NNS
33397	156	12	.	.	.
33397	157	1	With	with	IN
33397	157	2	a	a	DT
33397	157	3	cyclotron	cyclotron	NN
33397	157	4	of	of	IN
33397	157	5	this	this	DT
33397	157	6	size	size	NN
33397	157	7	,	,	,
33397	157	8	this	this	DT
33397	157	9	is	be	VBZ
33397	157	10	a	a	DT
33397	157	11	problem	problem	NN
33397	157	12	.	.	.
33397	158	1	These	these	DT
33397	158	2	resonances	resonance	NNS
33397	158	3	,	,	,
33397	158	4	if	if	IN
33397	158	5	excited	excite	VBN
33397	158	6	,	,	,
33397	158	7	would	would	MD
33397	158	8	cause	cause	VB
33397	158	9	loss	loss	NN
33397	158	10	of	of	IN
33397	158	11	beam	beam	NN
33397	158	12	.	.	.
33397	159	1	The	the	DT
33397	159	2	method	method	NN
33397	159	3	for	for	IN
33397	159	4	keeping	keep	VBG
33397	159	5	the	the	DT
33397	159	6	blades	blade	NNS
33397	159	7	moving	move	VBG
33397	159	8	together	together	RB
33397	159	9	is	be	VBZ
33397	159	10	as	as	IN
33397	159	11	follows	follow	VBZ
33397	159	12	:	:	:
33397	159	13	The	the	DT
33397	159	14	blades	blade	NNS
33397	159	15	are	be	VBP
33397	159	16	made	make	VBN
33397	159	17	to	to	TO
33397	159	18	vibrate	vibrate	VB
33397	159	19	at	at	IN
33397	159	20	their	-PRON-	PRP$
33397	159	21	resonant	resonant	JJ
33397	159	22	frequency	frequency	NN
33397	159	23	,	,	,
33397	159	24	which	which	WDT
33397	159	25	is	be	VBZ
33397	159	26	approximately	approximately	RB
33397	159	27	64	64	CD
33397	159	28	cycles	cycle	NNS
33397	159	29	per	per	IN
33397	159	30	second	second	NN
33397	159	31	.	.	.
33397	160	1	One	one	CD
33397	160	2	set	set	NN
33397	160	3	of	of	IN
33397	160	4	blades	blade	NNS
33397	160	5	operates	operate	VBZ
33397	160	6	at	at	IN
33397	160	7	its	-PRON-	PRP$
33397	160	8	natural	natural	JJ
33397	160	9	frequency	frequency	NN
33397	160	10	as	as	IN
33397	160	11	a	a	DT
33397	160	12	tuning	tuning	NN
33397	160	13	-	-	HYPH
33397	160	14	fork	fork	NN
33397	160	15	oscillator	oscillator	NN
33397	160	16	.	.	.
33397	161	1	The	the	DT
33397	161	2	second	second	JJ
33397	161	3	set	set	NN
33397	161	4	of	of	IN
33397	161	5	blades	blade	NNS
33397	161	6	is	be	VBZ
33397	161	7	driven	drive	VBN
33397	161	8	from	from	IN
33397	161	9	an	an	DT
33397	161	10	amplified	amplified	JJ
33397	161	11	sample	sample	NN
33397	161	12	of	of	IN
33397	161	13	the	the	DT
33397	161	14	signal	signal	NN
33397	161	15	from	from	IN
33397	161	16	the	the	DT
33397	161	17	first	first	JJ
33397	161	18	;	;	:
33397	161	19	its	-PRON-	PRP$
33397	161	20	natural	natural	JJ
33397	161	21	period	period	NN
33397	161	22	is	be	VBZ
33397	161	23	adjusted	adjust	VBN
33397	161	24	automatically	automatically	RB
33397	161	25	to	to	TO
33397	161	26	equal	equal	VB
33397	161	27	that	that	DT
33397	161	28	of	of	IN
33397	161	29	the	the	DT
33397	161	30	first	first	JJ
33397	161	31	.	.	.
33397	162	1	The	the	DT
33397	162	2	amplitude	amplitude	NN
33397	162	3	of	of	IN
33397	162	4	each	each	DT
33397	162	5	set	set	NN
33397	162	6	is	be	VBZ
33397	162	7	regulated	regulate	VBN
33397	162	8	to	to	IN
33397	162	9	within	within	IN
33397	162	10	0.003	0.003	CD
33397	162	11	in	in	IN
33397	162	12	.	.	.
33397	163	1	;	;	:
33397	163	2	the	the	DT
33397	163	3	phase	phase	NN
33397	163	4	angle	angle	NN
33397	163	5	between	between	IN
33397	163	6	the	the	DT
33397	163	7	blades	blade	NNS
33397	163	8	is	be	VBZ
33397	163	9	regulated	regulate	VBN
33397	163	10	to	to	IN
33397	163	11	within	within	IN
33397	163	12	1	1	CD
33397	163	13	deg	deg	NN
33397	163	14	.	.	.
33397	164	1	Ions	ion	NNS
33397	164	2	are	be	VBP
33397	164	3	accelerated	accelerate	VBN
33397	164	4	only	only	RB
33397	164	5	when	when	WRB
33397	164	6	the	the	DT
33397	164	7	radiofrequency	radiofrequency	NN
33397	164	8	is	be	VBZ
33397	164	9	decreasing	decrease	VBG
33397	164	10	(	(	-LRB-
33397	164	11	Fig	fig	NN
33397	164	12	.	.	.
33397	165	1	5	5	LS
33397	165	2	)	)	-RRB-
33397	165	3	.	.	.
33397	166	1	The	the	DT
33397	166	2	remaining	remaining	JJ
33397	166	3	portion	portion	NN
33397	166	4	of	of	IN
33397	166	5	the	the	DT
33397	166	6	cycle	cycle	NN
33397	166	7	is	be	VBZ
33397	166	8	"	"	``
33397	166	9	dead	dead	JJ
33397	166	10	time	time	NN
33397	166	11	.	.	.
33397	166	12	"	"	''
33397	167	1	Thus	thus	RB
33397	167	2	,	,	,
33397	167	3	64	64	CD
33397	167	4	pulses	pulse	NNS
33397	167	5	,	,	,
33397	167	6	each	each	DT
33397	167	7	of	of	IN
33397	167	8	about	about	RB
33397	167	9	500	500	CD
33397	167	10	microseconds	microsecond	NNS
33397	167	11	'	'	POS
33397	167	12	duration	duration	NN
33397	167	13	,	,	,
33397	167	14	are	be	VBP
33397	167	15	obtained	obtain	VBN
33397	167	16	every	every	DT
33397	167	17	second	second	NN
33397	167	18	.	.	.
33397	168	1	The	the	DT
33397	168	2	average	average	JJ
33397	168	3	ion	ion	NN
33397	168	4	current	current	NN
33397	168	5	of	of	IN
33397	168	6	a	a	DT
33397	168	7	pulsed	pulsed	JJ
33397	168	8	beam	beam	NN
33397	168	9	is	be	VBZ
33397	168	10	much	much	RB
33397	168	11	less	less	JJR
33397	168	12	than	than	IN
33397	168	13	for	for	IN
33397	168	14	a	a	DT
33397	168	15	continuous	continuous	JJ
33397	168	16	beam	beam	NN
33397	168	17	,	,	,
33397	168	18	such	such	JJ
33397	168	19	as	as	IN
33397	168	20	that	that	DT
33397	168	21	obtained	obtain	VBD
33397	168	22	from	from	IN
33397	168	23	a	a	DT
33397	168	24	conventional	conventional	JJ
33397	168	25	cyclotron	cyclotron	NN
33397	168	26	(	(	-LRB-
33397	168	27	see	see	VB
33397	168	28	Table	Table	NNP
33397	168	29	I	I	NNP
33397	168	30	)	)	-RRB-
33397	168	31	.	.	.
33397	169	1	This	this	DT
33397	169	2	is	be	VBZ
33397	169	3	part	part	NN
33397	169	4	of	of	IN
33397	169	5	the	the	DT
33397	169	6	price	price	NN
33397	169	7	paid	pay	VBN
33397	169	8	for	for	IN
33397	169	9	higher	high	JJR
33397	169	10	energies	energy	NNS
33397	169	11	.	.	.
33397	170	1	_	_	NNP
33397	170	2	Internal	Internal	NNP
33397	170	3	Targets	Targets	NNPS
33397	170	4	and	and	CC
33397	170	5	Beam	Beam	NNP
33397	170	6	Extractor	Extractor	NNP
33397	170	7	_	_	NNP
33397	170	8	The	the	DT
33397	170	9	simplest	simple	JJS
33397	170	10	target	target	NN
33397	170	11	is	be	VBZ
33397	170	12	one	one	CD
33397	170	13	placed	place	VBN
33397	170	14	inside	inside	IN
33397	170	15	the	the	DT
33397	170	16	vacuum	vacuum	NN
33397	170	17	tank	tank	NN
33397	170	18	where	where	WRB
33397	170	19	the	the	DT
33397	170	20	circulating	circulate	VBG
33397	170	21	beam	beam	NN
33397	170	22	will	will	MD
33397	170	23	strike	strike	VB
33397	170	24	it	-PRON-	PRP
33397	170	25	.	.	.
33397	171	1	The	the	DT
33397	171	2	target	target	NN
33397	171	3	may	may	MD
33397	171	4	be	be	VB
33397	171	5	any	any	DT
33397	171	6	substance	substance	NN
33397	171	7	that	that	IN
33397	171	8	the	the	DT
33397	171	9	physicist	physicist	NN
33397	171	10	or	or	CC
33397	171	11	chemist	chemist	NN
33397	171	12	wants	want	VBZ
33397	171	13	to	to	TO
33397	171	14	irradiate	irradiate	VB
33397	171	15	.	.	.
33397	172	1	The	the	DT
33397	172	2	target	target	NN
33397	172	3	material	material	NN
33397	172	4	is	be	VBZ
33397	172	5	attached	attach	VBN
33397	172	6	to	to	IN
33397	172	7	a	a	DT
33397	172	8	movable	movable	JJ
33397	172	9	probe	probe	NN
33397	172	10	.	.	.
33397	173	1	If	if	IN
33397	173	2	the	the	DT
33397	173	3	experimenter	experimenter	NN
33397	173	4	wants	want	VBZ
33397	173	5	to	to	TO
33397	173	6	use	use	VB
33397	173	7	the	the	DT
33397	173	8	full	full	JJ
33397	173	9	-	-	HYPH
33397	173	10	energy	energy	NN
33397	173	11	beam	beam	NN
33397	173	12	,	,	,
33397	173	13	he	-PRON-	PRP
33397	173	14	places	place	VBZ
33397	173	15	the	the	DT
33397	173	16	target	target	NN
33397	173	17	at	at	IN
33397	173	18	the	the	DT
33397	173	19	maximum	maximum	JJ
33397	173	20	usable	usable	JJ
33397	173	21	radius	radius	NN
33397	173	22	of	of	IN
33397	173	23	the	the	DT
33397	173	24	circulating	circulate	VBG
33397	173	25	beam	beam	NN
33397	173	26	(	(	-LRB-
33397	173	27	82	82	CD
33397	173	28	inches	inch	NNS
33397	173	29	)	)	-RRB-
33397	173	30	.	.	.
33397	174	1	However	however	RB
33397	174	2	,	,	,
33397	174	3	if	if	IN
33397	174	4	he	-PRON-	PRP
33397	174	5	desires	desire	VBZ
33397	174	6	to	to	TO
33397	174	7	use	use	VB
33397	174	8	ions	ion	NNS
33397	174	9	having	have	VBG
33397	174	10	less	less	JJR
33397	174	11	than	than	IN
33397	174	12	the	the	DT
33397	174	13	maximum	maximum	JJ
33397	174	14	energy	energy	NN
33397	174	15	,	,	,
33397	174	16	he	-PRON-	PRP
33397	174	17	inserts	insert	VBZ
33397	174	18	the	the	DT
33397	174	19	target	target	NN
33397	174	20	further	far	RBR
33397	174	21	into	into	IN
33397	174	22	the	the	DT
33397	174	23	cyclotron	cyclotron	NN
33397	174	24	so	so	IN
33397	174	25	that	that	IN
33397	174	26	it	-PRON-	PRP
33397	174	27	is	be	VBZ
33397	174	28	intercepted	intercept	VBN
33397	174	29	sooner	soon	RBR
33397	174	30	.	.	.
33397	175	1	TABLE	TABLE	NNS
33397	175	2	I	i	NN
33397	175	3	=	=	SYM
33397	175	4	=	=	SYM
33397	175	5	=	=	SYM
33397	175	6	=	=	SYM
33397	175	7	=	=	SYM
33397	175	8	=	=	SYM
33397	175	9	=	=	SYM
33397	175	10	=	=	SYM
33397	175	11	=	=	SYM
33397	175	12	=	=	SYM
33397	175	13	=	=	SYM
33397	175	14	=	=	SYM
33397	175	15	=	=	SYM
33397	175	16	=	=	SYM
33397	175	17	=	=	SYM
33397	175	18	=	=	SYM
33397	175	19	=	=	SYM
33397	175	20	=	=	SYM
33397	175	21	=	=	SYM
33397	175	22	=	=	SYM
33397	175	23	=	=	SYM
33397	175	24	=	=	SYM
33397	175	25	=	=	SYM
33397	175	26	=	=	SYM
33397	175	27	=	=	SYM
33397	175	28	=	=	SYM
33397	175	29	=	=	SYM
33397	175	30	=	=	SYM
33397	175	31	=	=	SYM
33397	175	32	=	=	SYM
33397	175	33	=	=	SYM
33397	175	34	=	=	SYM
33397	175	35	=	=	SYM
33397	175	36	=	=	SYM
33397	175	37	=	=	SYM
33397	175	38	=	=	SYM
33397	175	39	=	=	SYM
33397	175	40	=	=	SYM
33397	175	41	=	=	SYM
33397	175	42	=	=	SYM
33397	175	43	=	=	SYM
33397	175	44	=	=	SYM
33397	175	45	=	=	SYM
33397	175	46	=	=	SYM
33397	175	47	=	=	SYM
33397	175	48	=	=	SYM
33397	175	49	=	=	SYM
33397	175	50	=	=	SYM
33397	175	51	=	=	SYM
33397	175	52	=	=	SYM
33397	175	53	=	=	SYM
33397	175	54	=	=	SYM
33397	175	55	=	=	SYM
33397	175	56	=	=	SYM
33397	175	57	=	=	SYM
33397	175	58	=	=	SYM
33397	175	59	=	=	SYM
33397	175	60	=	=	SYM
33397	175	61	=	=	NFP
33397	175	62	=	=	NFP
33397	175	63	=	=	NFP
33397	175	64	Comparison	Comparison	NNP
33397	175	65	of	of	IN
33397	175	66	external	external	JJ
33397	175	67	-	-	HYPH
33397	175	68	beam	beam	NN
33397	175	69	energy	energy	NN
33397	175	70	and	and	CC
33397	175	71	current	current	NN
33397	175	72	for	for	IN
33397	175	73	a	a	DT
33397	175	74	synchrocyclotron	synchrocyclotron	NN
33397	175	75	and	and	CC
33397	175	76	a	a	DT
33397	175	77	conventional	conventional	JJ
33397	175	78	cyclotron	cyclotron	NN
33397	175	79	-------------------------------------------------------------	-------------------------------------------------------------	NFP
33397	175	80	184-Inch	184-Inch	NNP
33397	175	81	Synchrocyclotron	Synchrocyclotron	NNP
33397	175	82	-------------------------	-------------------------	NNP
33397	175	83	Protons	Protons	NNPS
33397	175	84	Deuterons	Deuterons	NNPS
33397	175	85	Alpha	alpha	NN
33397	175	86	particles	particle	NNS
33397	175	87	-------	-------	NFP
33397	175	88	---------	---------	NFP
33397	175	89	---------------	---------------	NFP
33397	175	90	Beam	beam	NN
33397	175	91	energy	energy	NN
33397	175	92	--	--	:
33397	175	93	maximum	maximum	NN
33397	175	94	(	(	-LRB-
33397	175	95	Mev	Mev	NNP
33397	175	96	)	)	-RRB-
33397	175	97	730	730	CD
33397	175	98	460	460	CD
33397	175	99	910	910	CD
33397	175	100	Beam	Beam	NNP
33397	175	101	intensity	intensity	NN
33397	175	102	--	--	:
33397	175	103	peak	peak	NN
33397	175	104	current	current	NN
33397	175	105	(	(	-LRB-
33397	175	106	[	[	-LRB-
33397	175	107	mu]a)[6	mu]a)[6	NNP
33397	175	108	]	]	-RRB-
33397	175	109	120	120	CD
33397	175	110	120	120	CD
33397	175	111	40	40	CD
33397	175	112	Beam	Beam	NNP
33397	175	113	intensity	intensity	NN
33397	175	114	--	--	:
33397	175	115	average	average	JJ
33397	175	116	current	current	NN
33397	175	117	(	(	-LRB-
33397	175	118	[	[	-LRB-
33397	175	119	mu]a	mu]a	NN
33397	175	120	)	)	-RRB-
33397	175	121	0.75	0.75	CD
33397	175	122	0.75	0.75	CD
33397	175	123	0.25	0.25	CD
33397	175	124	60-Inch	60-inch	CD
33397	175	125	Cyclotron	Cyclotron	NNP
33397	175	126	-----------------	-----------------	NFP
33397	175	127	Beam	Beam	NNP
33397	175	128	energy	energy	NN
33397	175	129	--	--	:
33397	175	130	maximum	maximum	NN
33397	175	131	(	(	-LRB-
33397	175	132	Mev	Mev	NNP
33397	175	133	)	)	-RRB-
33397	175	134	12	12	CD
33397	175	135	24	24	CD
33397	175	136	48	48	CD
33397	175	137	Beam	Beam	NNP
33397	175	138	intensity	intensity	NN
33397	175	139	--	--	:
33397	175	140	peak	peak	NN
33397	175	141	current	current	NN
33397	175	142	(	(	-LRB-
33397	175	143	[	[	-LRB-
33397	175	144	mu]a	mu]a	NNP
33397	175	145	)	)	-RRB-
33397	175	146	100	100	CD
33397	175	147	150	150	CD
33397	175	148	100	100	CD
33397	175	149	Beam	Beam	NNP
33397	175	150	intensity	intensity	NN
33397	175	151	--	--	:
33397	175	152	average	average	JJ
33397	175	153	current	current	NN
33397	175	154	(	(	-LRB-
33397	175	155	[	[	-LRB-
33397	175	156	mu]a	mu]a	NNP
33397	175	157	)	)	-RRB-
33397	175	158	70	70	CD
33397	175	159	80	80	CD
33397	175	160	60	60	CD
33397	175	161	-------------------------------------------------------------	-------------------------------------------------------------	CD
33397	175	162	[	[	-LRB-
33397	175	163	6	6	CD
33397	175	164	]	]	-RRB-
33397	175	165	[	[	-LRB-
33397	175	166	mu]a	mu]a	NN
33397	175	167	=	=	NFP
33397	175	168	microampere	microampere	FW
33397	175	169	=	=	SYM
33397	175	170	=	=	SYM
33397	175	171	=	=	SYM
33397	175	172	=	=	SYM
33397	175	173	=	=	SYM
33397	175	174	=	=	SYM
33397	175	175	=	=	SYM
33397	175	176	=	=	SYM
33397	175	177	=	=	SYM
33397	175	178	=	=	SYM
33397	175	179	=	=	SYM
33397	175	180	=	=	SYM
33397	175	181	=	=	SYM
33397	175	182	=	=	SYM
33397	175	183	=	=	SYM
33397	175	184	=	=	SYM
33397	175	185	=	=	SYM
33397	175	186	=	=	SYM
33397	175	187	=	=	SYM
33397	175	188	=	=	SYM
33397	175	189	=	=	SYM
33397	175	190	=	=	SYM
33397	175	191	=	=	SYM
33397	175	192	=	=	SYM
33397	175	193	=	=	SYM
33397	175	194	=	=	SYM
33397	175	195	=	=	SYM
33397	175	196	=	=	SYM
33397	175	197	=	=	SYM
33397	175	198	=	=	SYM
33397	175	199	=	=	SYM
33397	175	200	=	=	SYM
33397	175	201	=	=	SYM
33397	175	202	=	=	SYM
33397	175	203	=	=	SYM
33397	175	204	=	=	SYM
33397	175	205	=	=	SYM
33397	175	206	=	=	SYM
33397	175	207	=	=	SYM
33397	175	208	=	=	SYM
33397	175	209	=	=	SYM
33397	175	210	=	=	SYM
33397	175	211	=	=	SYM
33397	175	212	=	=	SYM
33397	175	213	=	=	SYM
33397	175	214	=	=	SYM
33397	175	215	=	=	SYM
33397	175	216	=	=	SYM
33397	175	217	=	=	SYM
33397	175	218	=	=	SYM
33397	175	219	=	=	SYM
33397	175	220	=	=	SYM
33397	175	221	=	=	SYM
33397	175	222	=	=	SYM
33397	175	223	=	=	SYM
33397	175	224	=	=	SYM
33397	175	225	=	=	SYM
33397	175	226	=	=	SYM
33397	175	227	=	=	NFP
33397	175	228	=	=	NFP
33397	175	229	=	=	NFP
33397	175	230	[	[	-LRB-
33397	175	231	Illustration	illustration	NN
33397	175	232	:	:	:
33397	175	233	Fig	Fig	NNP
33397	175	234	.	.	.
33397	176	1	7	7	LS
33397	176	2	.	.	.
33397	177	1	Plan	plan	NN
33397	177	2	view	view	NN
33397	177	3	of	of	IN
33397	177	4	the	the	DT
33397	177	5	cyclotron	cyclotron	NN
33397	177	6	,	,	,
33397	177	7	showing	show	VBG
33397	177	8	the	the	DT
33397	177	9	method	method	NN
33397	177	10	for	for	IN
33397	177	11	obtaining	obtain	VBG
33397	177	12	an	an	DT
33397	177	13	external	external	JJ
33397	177	14	beam	beam	NN
33397	177	15	of	of	IN
33397	177	16	protons	proton	NNS
33397	177	17	,	,	,
33397	177	18	deuterons	deuteron	NNS
33397	177	19	,	,	,
33397	177	20	or	or	CC
33397	177	21	alpha	alpha	NN
33397	177	22	particles	particle	NNS
33397	177	23	.	.	.
33397	177	24	]	]	-RRB-
33397	178	1	Some	some	DT
33397	178	2	experiments	experiment	NNS
33397	178	3	require	require	VBP
33397	178	4	an	an	DT
33397	178	5	external	external	JJ
33397	178	6	beam	beam	NN
33397	178	7	of	of	IN
33397	178	8	protons	proton	NNS
33397	178	9	,	,	,
33397	178	10	deuterons	deuteron	NNS
33397	178	11	,	,	,
33397	178	12	or	or	CC
33397	178	13	alpha	alpha	NN
33397	178	14	particles	particle	NNS
33397	178	15	.	.	.
33397	179	1	A	a	DT
33397	179	2	beam	beam	NN
33397	179	3	of	of	IN
33397	179	4	this	this	DT
33397	179	5	type	type	NN
33397	179	6	can	can	MD
33397	179	7	be	be	VB
33397	179	8	brought	bring	VBN
33397	179	9	out	out	IN
33397	179	10	of	of	IN
33397	179	11	the	the	DT
33397	179	12	machine	machine	NN
33397	179	13	by	by	IN
33397	179	14	means	mean	NNS
33397	179	15	of	of	IN
33397	179	16	a	a	DT
33397	179	17	LeCouteur	LeCouteur	NNP
33397	179	18	regenerator	regenerator	NN
33397	179	19	(	(	-LRB-
33397	179	20	Fig	fig	NN
33397	179	21	.	.	.
33397	180	1	7	7	LS
33397	180	2	)	)	-RRB-
33397	180	3	.	.	.
33397	181	1	The	the	DT
33397	181	2	construction	construction	NN
33397	181	3	of	of	IN
33397	181	4	the	the	DT
33397	181	5	regenerator	regenerator	NN
33397	181	6	is	be	VBZ
33397	181	7	very	very	RB
33397	181	8	simple	simple	JJ
33397	181	9	.	.	.
33397	182	1	It	-PRON-	PRP
33397	182	2	is	be	VBZ
33397	182	3	made	make	VBN
33397	182	4	of	of	IN
33397	182	5	a	a	DT
33397	182	6	number	number	NN
33397	182	7	of	of	IN
33397	182	8	steel	steel	NN
33397	182	9	laminations	lamination	NNS
33397	182	10	of	of	IN
33397	182	11	various	various	JJ
33397	182	12	sizes	size	NNS
33397	182	13	.	.	.
33397	183	1	What	what	WP
33397	183	2	the	the	DT
33397	183	3	regenerator	regenerator	NN
33397	183	4	does	do	VBZ
33397	183	5	is	be	VBZ
33397	183	6	perturb	perturb	VB
33397	183	7	the	the	DT
33397	183	8	magnetic	magnetic	JJ
33397	183	9	field	field	NN
33397	183	10	of	of	IN
33397	183	11	the	the	DT
33397	183	12	cyclotron	cyclotron	NN
33397	183	13	at	at	IN
33397	183	14	one	one	CD
33397	183	15	radial	radial	JJ
33397	183	16	position	position	NN
33397	183	17	.	.	.
33397	184	1	Each	each	DT
33397	184	2	time	time	NN
33397	184	3	the	the	DT
33397	184	4	beam	beam	NN
33397	184	5	passes	pass	VBZ
33397	184	6	through	through	IN
33397	184	7	the	the	DT
33397	184	8	regenerator	regenerator	NN
33397	184	9	it	-PRON-	PRP
33397	184	10	receives	receive	VBZ
33397	184	11	a	a	DT
33397	184	12	kick	kick	NN
33397	184	13	.	.	.
33397	185	1	With	with	IN
33397	185	2	each	each	DT
33397	185	3	kick	kick	NN
33397	185	4	the	the	DT
33397	185	5	beam	beam	NN
33397	185	6	builds	build	VBZ
33397	185	7	up	up	RP
33397	185	8	its	-PRON-	PRP$
33397	185	9	radial	radial	JJ
33397	185	10	amplitude	amplitude	NN
33397	185	11	,	,	,
33397	185	12	until	until	IN
33397	185	13	finally	finally	RB
33397	185	14	it	-PRON-	PRP
33397	185	15	enters	enter	VBZ
33397	185	16	a	a	DT
33397	185	17	magnetic	magnetic	JJ
33397	185	18	channel	channel	NN
33397	185	19	.	.	.
33397	186	1	This	this	DT
33397	186	2	channel	channel	NN
33397	186	3	focuses	focus	VBZ
33397	186	4	the	the	DT
33397	186	5	beam	beam	NN
33397	186	6	and	and	CC
33397	186	7	steers	steer	VBZ
33397	186	8	it	-PRON-	PRP
33397	186	9	outside	outside	IN
33397	186	10	the	the	DT
33397	186	11	main	main	JJ
33397	186	12	magnetic	magnetic	JJ
33397	186	13	field	field	NN
33397	186	14	.	.	.
33397	187	1	Once	once	IN
33397	187	2	outside	outside	RB
33397	187	3	,	,	,
33397	187	4	the	the	DT
33397	187	5	beam	beam	NN
33397	187	6	travels	travel	VBZ
33397	187	7	through	through	IN
33397	187	8	an	an	DT
33397	187	9	evacuated	evacuate	VBN
33397	187	10	tube	tube	NN
33397	187	11	,	,	,
33397	187	12	which	which	WDT
33397	187	13	is	be	VBZ
33397	187	14	integral	integral	JJ
33397	187	15	with	with	IN
33397	187	16	the	the	DT
33397	187	17	main	main	JJ
33397	187	18	vacuum	vacuum	NN
33397	187	19	tank	tank	NN
33397	187	20	.	.	.
33397	188	1	By	by	IN
33397	188	2	means	mean	NNS
33397	188	3	of	of	IN
33397	188	4	a	a	DT
33397	188	5	steering	steering	NN
33397	188	6	magnet	magnet	NN
33397	188	7	,	,	,
33397	188	8	the	the	DT
33397	188	9	beam	beam	NN
33397	188	10	can	can	MD
33397	188	11	be	be	VB
33397	188	12	sent	send	VBN
33397	188	13	into	into	IN
33397	188	14	either	either	CC
33397	188	15	the	the	DT
33397	188	16	physics	physics	NN
33397	188	17	cave	cave	NN
33397	188	18	or	or	CC
33397	188	19	the	the	DT
33397	188	20	medical	medical	JJ
33397	188	21	cave	cave	NN
33397	188	22	.	.	.
33397	189	1	(	(	-LRB-
33397	189	2	These	these	DT
33397	189	3	experimental	experimental	JJ
33397	189	4	areas	area	NNS
33397	189	5	are	be	VBP
33397	189	6	called	call	VBN
33397	189	7	"	"	``
33397	189	8	caves	cave	NNS
33397	189	9	"	"	''
33397	189	10	because	because	IN
33397	189	11	they	-PRON-	PRP
33397	189	12	are	be	VBP
33397	189	13	rooms	room	NNS
33397	189	14	inside	inside	IN
33397	189	15	the	the	DT
33397	189	16	massive	massive	JJ
33397	189	17	concrete	concrete	JJ
33397	189	18	shielding	shield	VBG
33397	189	19	wall	wall	NN
33397	189	20	.	.	.
33397	189	21	)	)	-RRB-
33397	190	1	Other	other	JJ
33397	190	2	experiments	experiment	NNS
33397	190	3	may	may	MD
33397	190	4	require	require	VB
33397	190	5	an	an	DT
33397	190	6	external	external	JJ
33397	190	7	beam	beam	NN
33397	190	8	of	of	IN
33397	190	9	mesons	meson	NNS
33397	190	10	.	.	.
33397	191	1	[	[	-LRB-
33397	191	2	7	7	LS
33397	191	3	]	]	-RRB-
33397	191	4	A	a	DT
33397	191	5	meson	meson	NN
33397	191	6	beam	beam	NN
33397	191	7	is	be	VBZ
33397	191	8	obtained	obtain	VBN
33397	191	9	in	in	IN
33397	191	10	the	the	DT
33397	191	11	following	following	JJ
33397	191	12	way	way	NN
33397	191	13	(	(	-LRB-
33397	191	14	Fig	fig	NN
33397	191	15	.	.	.
33397	192	1	8)	8)	LS
33397	192	2	:	:	:
33397	192	3	A	a	DT
33397	192	4	movable	movable	JJ
33397	192	5	target	target	NN
33397	192	6	such	such	JJ
33397	192	7	as	as	IN
33397	192	8	a	a	DT
33397	192	9	block	block	NN
33397	192	10	of	of	IN
33397	192	11	carbon	carbon	NN
33397	192	12	is	be	VBZ
33397	192	13	placed	place	VBN
33397	192	14	inside	inside	IN
33397	192	15	the	the	DT
33397	192	16	cyclotron	cyclotron	NN
33397	192	17	near	near	IN
33397	192	18	the	the	DT
33397	192	19	end	end	NN
33397	192	20	of	of	IN
33397	192	21	the	the	DT
33397	192	22	outward	outward	RB
33397	192	23	-	-	HYPH
33397	192	24	spiraling	spiral	VBG
33397	192	25	proton	proton	NNP
33397	192	26	beam	beam	NN
33397	192	27	.	.	.
33397	193	1	When	when	WRB
33397	193	2	the	the	DT
33397	193	3	proton	proton	NNP
33397	193	4	beam	beam	NN
33397	193	5	hits	hit	VBZ
33397	193	6	this	this	DT
33397	193	7	target	target	NN
33397	193	8	,	,	,
33397	193	9	a	a	DT
33397	193	10	shower	shower	NN
33397	193	11	of	of	IN
33397	193	12	mesons	meson	NNS
33397	193	13	is	be	VBZ
33397	193	14	produced	produce	VBN
33397	193	15	.	.	.
33397	194	1	These	these	DT
33397	194	2	mesons	meson	NNS
33397	194	3	are	be	VBP
33397	194	4	bent	bent	JJ
33397	194	5	in	in	IN
33397	194	6	various	various	JJ
33397	194	7	directions	direction	NNS
33397	194	8	by	by	IN
33397	194	9	the	the	DT
33397	194	10	main	main	JJ
33397	194	11	magnetic	magnetic	JJ
33397	194	12	field	field	NN
33397	194	13	.	.	.
33397	195	1	Some	some	DT
33397	195	2	of	of	IN
33397	195	3	them	-PRON-	PRP
33397	195	4	pass	pass	VBP
33397	195	5	through	through	IN
33397	195	6	a	a	DT
33397	195	7	thin	thin	JJ
33397	195	8	metal	metal	NN
33397	195	9	window	window	NN
33397	195	10	in	in	IN
33397	195	11	the	the	DT
33397	195	12	vacuum	vacuum	NN
33397	195	13	-	-	HYPH
33397	195	14	tank	tank	NN
33397	195	15	wall	wall	NN
33397	195	16	and	and	CC
33397	195	17	are	be	VBP
33397	195	18	focused	focus	VBN
33397	195	19	by	by	IN
33397	195	20	a	a	DT
33397	195	21	magnetic	magnetic	JJ
33397	195	22	lens	lens	NN
33397	195	23	into	into	IN
33397	195	24	a	a	DT
33397	195	25	beam	beam	NN
33397	195	26	.	.	.
33397	196	1	This	this	DT
33397	196	2	meson	meson	NN
33397	196	3	beam	beam	NN
33397	196	4	then	then	RB
33397	196	5	travels	travel	VBZ
33397	196	6	through	through	IN
33397	196	7	a	a	DT
33397	196	8	hole	hole	NN
33397	196	9	in	in	IN
33397	196	10	the	the	DT
33397	196	11	concrete	concrete	JJ
33397	196	12	shielding	shield	VBG
33397	196	13	wall	wall	NN
33397	196	14	into	into	IN
33397	196	15	the	the	DT
33397	196	16	meson	meson	NNP
33397	196	17	cave	cave	NN
33397	196	18	.	.	.
33397	197	1	The	the	DT
33397	197	2	maximum	maximum	JJ
33397	197	3	intensity	intensity	NN
33397	197	4	of	of	IN
33397	197	5	this	this	DT
33397	197	6	extracted	extract	VBN
33397	197	7	meson	meson	NNP
33397	197	8	beam	beam	NNP
33397	197	9	depends	depend	VBZ
33397	197	10	on	on	IN
33397	197	11	both	both	CC
33397	197	12	the	the	DT
33397	197	13	charge	charge	NN
33397	197	14	and	and	CC
33397	197	15	energy	energy	NN
33397	197	16	desired	desire	VBN
33397	197	17	.	.	.
33397	198	1	Beams	beam	NNS
33397	198	2	of	of	IN
33397	198	3	more	more	JJR
33397	198	4	than	than	IN
33397	198	5	100,000	100,000	CD
33397	198	6	mesons	meson	NNS
33397	198	7	per	per	IN
33397	198	8	second	second	NN
33397	198	9	have	have	VBP
33397	198	10	been	be	VBN
33397	198	11	obtained	obtain	VBN
33397	198	12	through	through	IN
33397	198	13	an	an	DT
33397	198	14	aperture	aperture	JJ
33397	198	15	4	4	CD
33397	198	16	×	×	NN
33397	198	17	4	4	CD
33397	198	18	in	in	IN
33397	198	19	.	.	.
33397	199	1	in	in	IN
33397	199	2	the	the	DT
33397	199	3	shielding	shielding	NN
33397	199	4	wall	wall	NN
33397	199	5	.	.	.
33397	200	1	CYCLOTRON	CYCLOTRON	NNP
33397	200	2	EXPERIMENTS	experiment	NNS
33397	200	3	_	_	NNP
33397	200	4	Nuclear	Nuclear	NNP
33397	200	5	Physics	Physics	NNP
33397	200	6	_	_	NNP
33397	200	7	About	about	RB
33397	200	8	86	86	CD
33397	200	9	%	%	NN
33397	200	10	of	of	IN
33397	200	11	the	the	DT
33397	200	12	operating	operating	NN
33397	200	13	time	time	NN
33397	200	14	of	of	IN
33397	200	15	the	the	DT
33397	200	16	184-inch	184-inch	CD
33397	200	17	synchrocyclotron	synchrocyclotron	NNP
33397	200	18	is	be	VBZ
33397	200	19	devoted	devote	VBN
33397	200	20	to	to	IN
33397	200	21	experiments	experiment	NNS
33397	200	22	in	in	IN
33397	200	23	nuclear	nuclear	JJ
33397	200	24	physics	physic	NNS
33397	200	25	.	.	.
33397	201	1	Most	Most	JJS
33397	201	2	of	of	IN
33397	201	3	the	the	DT
33397	201	4	experiments	experiment	NNS
33397	201	5	study	study	VBP
33397	201	6	the	the	DT
33397	201	7	production	production	NN
33397	201	8	and	and	CC
33397	201	9	interaction	interaction	NN
33397	201	10	of	of	IN
33397	201	11	[	[	-LRB-
33397	201	12	pi	pi	NN
33397	201	13	]	]	-RRB-
33397	201	14	mesons	meson	NNS
33397	201	15	.	.	.
33397	202	1	These	these	DT
33397	202	2	particles	particle	NNS
33397	202	3	are	be	VBP
33397	202	4	considered	consider	VBN
33397	202	5	to	to	TO
33397	202	6	be	be	VB
33397	202	7	essential	essential	JJ
33397	202	8	factors	factor	NNS
33397	202	9	in	in	IN
33397	202	10	the	the	DT
33397	202	11	intense	intense	JJ
33397	202	12	but	but	CC
33397	202	13	short	short	JJ
33397	202	14	-	-	HYPH
33397	202	15	range	range	NN
33397	202	16	forces	force	NNS
33397	202	17	that	that	WDT
33397	202	18	bind	bind	VBP
33397	202	19	the	the	DT
33397	202	20	nucleus	nucleus	NN
33397	202	21	together	together	RB
33397	202	22	.	.	.
33397	203	1	The	the	DT
33397	203	2	three	three	CD
33397	203	3	types	type	NNS
33397	203	4	of	of	IN
33397	203	5	[	[	-LRB-
33397	203	6	pi	pi	NN
33397	203	7	]	]	-RRB-
33397	203	8	mesons	meson	NNS
33397	203	9	are	be	VBP
33397	203	10	designated	designate	VBN
33397	203	11	according	accord	VBG
33397	203	12	to	to	IN
33397	203	13	their	-PRON-	PRP$
33397	203	14	electric	electric	JJ
33397	203	15	charge	charge	NN
33397	203	16	as	as	IN
33397	203	17	[	[	-LRB-
33397	203	18	pi]^+	pi]^+	NN
33397	203	19	,	,	,
33397	203	20	[	[	-LRB-
33397	203	21	pi]^0	pi]^0	NNS
33397	203	22	,	,	,
33397	203	23	and	and	CC
33397	203	24	[	[	-LRB-
33397	203	25	pi]^-	pi]^-	NN
33397	203	26	.	.	.
33397	204	1	[	[	-LRB-
33397	204	2	8	8	LS
33397	204	3	]	]	-RRB-
33397	204	4	These	these	DT
33397	204	5	mesons	meson	NNS
33397	204	6	materialize	materialize	VBP
33397	204	7	only	only	RB
33397	204	8	in	in	IN
33397	204	9	high	high	JJ
33397	204	10	-	-	HYPH
33397	204	11	energy	energy	NN
33397	204	12	nuclear	nuclear	JJ
33397	204	13	collisions	collision	NNS
33397	204	14	.	.	.
33397	205	1	[	[	-LRB-
33397	205	2	Illustration	illustration	NN
33397	205	3	:	:	:
33397	205	4	Fig	Fig	NNP
33397	205	5	.	.	.
33397	206	1	8	8	LS
33397	206	2	.	.	.
33397	207	1	Method	method	NN
33397	207	2	for	for	IN
33397	207	3	obtaining	obtain	VBG
33397	207	4	external	external	JJ
33397	207	5	meson	meson	NNP
33397	207	6	beam	beam	NN
33397	207	7	.	.	.
33397	207	8	]	]	-RRB-
33397	208	1	Of	of	IN
33397	208	2	great	great	JJ
33397	208	3	importance	importance	NN
33397	208	4	are	be	VBP
33397	208	5	those	those	DT
33397	208	6	experiments	experiment	NNS
33397	208	7	that	that	WDT
33397	208	8	determine	determine	VBP
33397	208	9	the	the	DT
33397	208	10	probability	probability	NN
33397	208	11	of	of	IN
33397	208	12	producing	produce	VBG
33397	208	13	each	each	DT
33397	208	14	of	of	IN
33397	208	15	the	the	DT
33397	208	16	three	three	CD
33397	208	17	types	type	NNS
33397	208	18	of	of	IN
33397	208	19	mesons	meson	NNS
33397	208	20	in	in	IN
33397	208	21	a	a	DT
33397	208	22	nuclear	nuclear	JJ
33397	208	23	collision	collision	NN
33397	208	24	.	.	.
33397	209	1	This	this	DT
33397	209	2	type	type	NN
33397	209	3	of	of	IN
33397	209	4	experiment	experiment	NN
33397	209	5	is	be	VBZ
33397	209	6	repeated	repeat	VBN
33397	209	7	for	for	IN
33397	209	8	different	different	JJ
33397	209	9	beam	beam	NN
33397	209	10	energies	energy	NNS
33397	209	11	and	and	CC
33397	209	12	target	target	NN
33397	209	13	elements	element	NNS
33397	209	14	.	.	.
33397	210	1	Other	other	JJ
33397	210	2	experiments	experiment	NNS
33397	210	3	measure	measure	VBP
33397	210	4	the	the	DT
33397	210	5	energy	energy	NN
33397	210	6	and	and	CC
33397	210	7	direction	direction	NN
33397	210	8	of	of	IN
33397	210	9	emission	emission	NN
33397	210	10	of	of	IN
33397	210	11	[	[	-LRB-
33397	210	12	pi	pi	NN
33397	210	13	]	]	-RRB-
33397	210	14	mesons	meson	NNS
33397	210	15	from	from	IN
33397	210	16	a	a	DT
33397	210	17	target	target	NN
33397	210	18	.	.	.
33397	211	1	[	[	-LRB-
33397	211	2	Illustration	illustration	NN
33397	211	3	:	:	:
33397	211	4	Fig	Fig	NNP
33397	211	5	.	.	.
33397	212	1	9	9	CD
33397	212	2	.	.	.
33397	213	1	A	a	DT
33397	213	2	typical	typical	JJ
33397	213	3	experiment	experiment	NN
33397	213	4	.	.	.
33397	214	1	Scintillation	scintillation	NN
33397	214	2	counters	counter	NNS
33397	214	3	at	at	IN
33397	214	4	A	a	NN
33397	214	5	,	,	,
33397	214	6	B	B	NNP
33397	214	7	,	,	,
33397	214	8	C	C	NNP
33397	214	9	,	,	,
33397	214	10	D	d	NN
33397	214	11	,	,	,
33397	214	12	and	and	CC
33397	214	13	E	e	NN
33397	214	14	record	record	VB
33397	214	15	the	the	DT
33397	214	16	passage	passage	NN
33397	214	17	of	of	IN
33397	214	18	charged	charge	VBN
33397	214	19	particles	particle	NNS
33397	214	20	.	.	.
33397	214	21	]	]	-RRB-
33397	215	1	A	a	DT
33397	215	2	typical	typical	JJ
33397	215	3	[	[	-LRB-
33397	215	4	pi]-meson	pi]-meson	NNP
33397	215	5	experiment	experiment	NN
33397	215	6	is	be	VBZ
33397	215	7	represented	represent	VBN
33397	215	8	in	in	IN
33397	215	9	Fig	Fig	NNP
33397	215	10	.	.	.
33397	216	1	9	9	CD
33397	216	2	.	.	.
33397	217	1	The	the	DT
33397	217	2	purpose	purpose	NN
33397	217	3	of	of	IN
33397	217	4	this	this	DT
33397	217	5	experiment	experiment	NN
33397	217	6	was	be	VBD
33397	217	7	to	to	TO
33397	217	8	detect	detect	VB
33397	217	9	the	the	DT
33397	217	10	spin	spin	NN
33397	217	11	directions	direction	NNS
33397	217	12	of	of	IN
33397	217	13	protons	proton	NNS
33397	217	14	as	as	IN
33397	217	15	they	-PRON-	PRP
33397	217	16	are	be	VBP
33397	217	17	knocked	knock	VBN
33397	217	18	out	out	IN
33397	217	19	of	of	IN
33397	217	20	a	a	DT
33397	217	21	liquid	liquid	JJ
33397	217	22	hydrogen	hydrogen	NN
33397	217	23	target	target	NN
33397	217	24	by	by	IN
33397	217	25	a	a	DT
33397	217	26	[	[	-LRB-
33397	217	27	pi]-meson	pi]-meson	NNP
33397	217	28	beam	beam	NN
33397	217	29	.	.	.
33397	218	1	(	(	-LRB-
33397	218	2	Like	like	IN
33397	218	3	the	the	DT
33397	218	4	earth	earth	NN
33397	218	5	,	,	,
33397	218	6	a	a	DT
33397	218	7	proton	proton	NNP
33397	218	8	spins	spin	VBZ
33397	218	9	on	on	IN
33397	218	10	its	-PRON-	PRP$
33397	218	11	axis	axis	NN
33397	218	12	.	.	.
33397	218	13	)	)	-RRB-
33397	219	1	An	an	DT
33397	219	2	extracted	extract	VBN
33397	219	3	proton	proton	NNP
33397	219	4	beam	beam	NN
33397	219	5	from	from	IN
33397	219	6	the	the	DT
33397	219	7	cyclotron	cyclotron	NN
33397	219	8	enters	enter	VBZ
33397	219	9	the	the	DT
33397	219	10	physics	physics	NN
33397	219	11	cave	cave	NN
33397	219	12	from	from	IN
33397	219	13	the	the	DT
33397	219	14	left	left	NN
33397	219	15	,	,	,
33397	219	16	striking	strike	VBG
33397	219	17	a	a	DT
33397	219	18	polyethylene	polyethylene	NN
33397	219	19	target	target	NN
33397	219	20	and	and	CC
33397	219	21	producing	produce	VBG
33397	219	22	[	[	-LRB-
33397	219	23	pi	pi	NN
33397	219	24	]	]	-RRB-
33397	219	25	mesons	meson	NNS
33397	219	26	.	.	.
33397	220	1	A	a	DT
33397	220	2	beam	beam	NN
33397	220	3	of	of	IN
33397	220	4	these	these	DT
33397	220	5	mesons	meson	NNS
33397	220	6	is	be	VBZ
33397	220	7	formed	form	VBN
33397	220	8	by	by	IN
33397	220	9	a	a	DT
33397	220	10	series	series	NN
33397	220	11	of	of	IN
33397	220	12	two	two	CD
33397	220	13	bending	bend	VBG
33397	220	14	magnets	magnet	NNS
33397	220	15	and	and	CC
33397	220	16	three	three	CD
33397	220	17	focusing	focus	VBG
33397	220	18	magnets	magnet	NNS
33397	220	19	.	.	.
33397	221	1	This	this	DT
33397	221	2	beam	beam	NN
33397	221	3	passes	pass	VBZ
33397	221	4	through	through	IN
33397	221	5	a	a	DT
33397	221	6	carbon	carbon	NN
33397	221	7	absorber	absorber	NN
33397	221	8	to	to	TO
33397	221	9	remove	remove	VB
33397	221	10	unwanted	unwanted	JJ
33397	221	11	particles	particle	NNS
33397	221	12	.	.	.
33397	222	1	The	the	DT
33397	222	2	meson	meson	NNP
33397	222	3	beam	beam	NN
33397	222	4	then	then	RB
33397	222	5	strikes	strike	VBZ
33397	222	6	the	the	DT
33397	222	7	liquid	liquid	JJ
33397	222	8	hydrogen	hydrogen	NN
33397	222	9	target	target	NN
33397	222	10	.	.	.
33397	223	1	A	a	DT
33397	223	2	few	few	JJ
33397	223	3	of	of	IN
33397	223	4	the	the	DT
33397	223	5	incoming	incoming	JJ
33397	223	6	mesons	meson	NNS
33397	223	7	scatter	scatter	NN
33397	223	8	,	,	,
33397	223	9	knocking	knock	VBG
33397	223	10	protons	proton	NNS
33397	223	11	out	out	IN
33397	223	12	of	of	IN
33397	223	13	the	the	DT
33397	223	14	liquid	liquid	JJ
33397	223	15	hydrogen	hydrogen	NN
33397	223	16	.	.	.
33397	224	1	Scintillation	scintillation	NN
33397	224	2	counters	counter	NNS
33397	224	3	at	at	IN
33397	224	4	A	a	NN
33397	224	5	and	and	CC
33397	224	6	B	b	NN
33397	224	7	record	record	NN
33397	224	8	the	the	DT
33397	224	9	passage	passage	NN
33397	224	10	of	of	IN
33397	224	11	a	a	DT
33397	224	12	proton	proton	NN
33397	224	13	,	,	,
33397	224	14	thus	thus	RB
33397	224	15	defining	define	VBG
33397	224	16	its	-PRON-	PRP$
33397	224	17	direction	direction	NN
33397	224	18	.	.	.
33397	225	1	The	the	DT
33397	225	2	scattered	scatter	VBN
33397	225	3	mesons	meson	NNS
33397	225	4	are	be	VBP
33397	225	5	counted	count	VBN
33397	225	6	by	by	IN
33397	225	7	a	a	DT
33397	225	8	scintillation	scintillation	NN
33397	225	9	counter	counter	NN
33397	225	10	at	at	IN
33397	225	11	C.	C.	NNP
33397	225	12	A	A	NNP
33397	225	13	few	few	JJ
33397	225	14	of	of	IN
33397	225	15	the	the	DT
33397	225	16	protons	proton	NNS
33397	225	17	scatter	scatter	NN
33397	225	18	off	off	IN
33397	225	19	the	the	DT
33397	225	20	carbon	carbon	NN
33397	225	21	target	target	NN
33397	225	22	and	and	CC
33397	225	23	are	be	VBP
33397	225	24	detected	detect	VBN
33397	225	25	by	by	IN
33397	225	26	counters	counter	NNS
33397	225	27	at	at	IN
33397	225	28	E	E	NNP
33397	225	29	and	and	CC
33397	225	30	D.	D.	NNP
33397	225	31	From	from	IN
33397	225	32	the	the	DT
33397	225	33	detection	detection	NN
33397	225	34	of	of	IN
33397	225	35	such	such	JJ
33397	225	36	events	event	NNS
33397	225	37	,	,	,
33397	225	38	the	the	DT
33397	225	39	spin	spin	NN
33397	225	40	directions	direction	NNS
33397	225	41	(	(	-LRB-
33397	225	42	polarization	polarization	NN
33397	225	43	)	)	-RRB-
33397	225	44	of	of	IN
33397	225	45	the	the	DT
33397	225	46	recoil	recoil	NN
33397	225	47	protons	proton	NNS
33397	225	48	can	can	MD
33397	225	49	be	be	VB
33397	225	50	analyzed	analyze	VBN
33397	225	51	.	.	.
33397	226	1	In	in	IN
33397	226	2	this	this	DT
33397	226	3	way	way	NN
33397	226	4	,	,	,
33397	226	5	more	more	RBR
33397	226	6	is	be	VBZ
33397	226	7	learned	learn	VBN
33397	226	8	about	about	IN
33397	226	9	the	the	DT
33397	226	10	fundamental	fundamental	JJ
33397	226	11	[	[	-LRB-
33397	226	12	pi]-proton	pi]-proton	NNP
33397	226	13	interaction	interaction	NN
33397	226	14	.	.	.
33397	227	1	Further	further	JJ
33397	227	2	studies	study	NNS
33397	227	3	of	of	IN
33397	227	4	the	the	DT
33397	227	5	interactions	interaction	NNS
33397	227	6	of	of	IN
33397	227	7	[	[	-LRB-
33397	227	8	pi	pi	NN
33397	227	9	]	]	-RRB-
33397	227	10	mesons	meson	NNS
33397	227	11	are	be	VBP
33397	227	12	made	make	VBN
33397	227	13	in	in	IN
33397	227	14	the	the	DT
33397	227	15	meson	meson	NNP
33397	227	16	cave	cave	NN
33397	227	17	.	.	.
33397	228	1	Other	other	JJ
33397	228	2	experiments	experiment	NNS
33397	228	3	performed	perform	VBD
33397	228	4	there	there	EX
33397	228	5	are	be	VBP
33397	228	6	concerned	concern	VBN
33397	228	7	with	with	IN
33397	228	8	[	[	-LRB-
33397	228	9	mu	mu	NNP
33397	228	10	]	]	-RRB-
33397	228	11	mesons	meson	NNS
33397	228	12	.	.	.
33397	229	1	The	the	DT
33397	229	2	[	[	-LRB-
33397	229	3	mu	mu	NNP
33397	229	4	]	]	-RRB-
33397	229	5	meson	meson	NNP
33397	229	6	(	(	-LRB-
33397	229	7	muon	muon	NNP
33397	229	8	)	)	-RRB-
33397	229	9	is	be	VBZ
33397	229	10	a	a	DT
33397	229	11	particle	particle	NN
33397	229	12	created	create	VBN
33397	229	13	in	in	IN
33397	229	14	the	the	DT
33397	229	15	decay	decay	NN
33397	229	16	of	of	IN
33397	229	17	a	a	DT
33397	229	18	[	[	-LRB-
33397	229	19	pi	pi	NNP
33397	229	20	]	]	-RRB-
33397	229	21	meson	meson	NNP
33397	229	22	and	and	CC
33397	229	23	is	be	VBZ
33397	229	24	the	the	DT
33397	229	25	principal	principal	JJ
33397	229	26	constituent	constituent	NN
33397	229	27	of	of	IN
33397	229	28	cosmic	cosmic	JJ
33397	229	29	rays	ray	NNS
33397	229	30	striking	strike	VBG
33397	229	31	the	the	DT
33397	229	32	surface	surface	NN
33397	229	33	of	of	IN
33397	229	34	the	the	DT
33397	229	35	earth	earth	NN
33397	229	36	.	.	.
33397	230	1	The	the	DT
33397	230	2	muon	muon	NN
33397	230	3	is	be	VBZ
33397	230	4	unstable	unstable	JJ
33397	230	5	,	,	,
33397	230	6	eventually	eventually	RB
33397	230	7	undergoing	undergo	VBG
33397	230	8	a	a	DT
33397	230	9	radioactive	radioactive	JJ
33397	230	10	decay	decay	NN
33397	230	11	into	into	IN
33397	230	12	an	an	DT
33397	230	13	electron	electron	NN
33397	230	14	.	.	.
33397	231	1	Although	although	IN
33397	231	2	the	the	DT
33397	231	3	muon	muon	NN
33397	231	4	does	do	VBZ
33397	231	5	not	not	RB
33397	231	6	experience	experience	VB
33397	231	7	nuclear	nuclear	JJ
33397	231	8	forces	force	NNS
33397	231	9	,	,	,
33397	231	10	it	-PRON-	PRP
33397	231	11	can	can	MD
33397	231	12	interact	interact	VB
33397	231	13	weakly	weakly	RB
33397	231	14	with	with	IN
33397	231	15	nuclei	nucleus	NNS
33397	231	16	.	.	.
33397	232	1	The	the	DT
33397	232	2	behavior	behavior	NN
33397	232	3	of	of	IN
33397	232	4	the	the	DT
33397	232	5	muon	muon	NN
33397	232	6	is	be	VBZ
33397	232	7	well	well	RB
33397	232	8	understood	understand	VBN
33397	232	9	,	,	,
33397	232	10	but	but	CC
33397	232	11	its	-PRON-	PRP$
33397	232	12	role	role	NN
33397	232	13	as	as	IN
33397	232	14	one	one	CD
33397	232	15	of	of	IN
33397	232	16	the	the	DT
33397	232	17	elementary	elementary	JJ
33397	232	18	particles	particle	NNS
33397	232	19	is	be	VBZ
33397	232	20	unknown	unknown	JJ
33397	232	21	.	.	.
33397	233	1	That	that	RB
33397	233	2	is	is	RB
33397	233	3	,	,	,
33397	233	4	if	if	IN
33397	233	5	the	the	DT
33397	233	6	muon	muon	NN
33397	233	7	did	do	VBD
33397	233	8	not	not	RB
33397	233	9	exist	exist	VB
33397	233	10	,	,	,
33397	233	11	what	what	WDT
33397	233	12	effect	effect	NN
33397	233	13	would	would	MD
33397	233	14	this	this	DT
33397	233	15	have	have	VB
33397	233	16	on	on	IN
33397	233	17	the	the	DT
33397	233	18	structure	structure	NN
33397	233	19	of	of	IN
33397	233	20	matter	matter	NN
33397	233	21	?	?	.
33397	234	1	The	the	DT
33397	234	2	answer	answer	NN
33397	234	3	to	to	IN
33397	234	4	this	this	DT
33397	234	5	question	question	NN
33397	234	6	,	,	,
33397	234	7	among	among	IN
33397	234	8	others	other	NNS
33397	234	9	,	,	,
33397	234	10	is	be	VBZ
33397	234	11	being	be	VBG
33397	234	12	sought	seek	VBN
33397	234	13	by	by	IN
33397	234	14	physicists	physicist	NNS
33397	234	15	using	use	VBG
33397	234	16	the	the	DT
33397	234	17	184-inch	184-inch	CD
33397	234	18	cyclotron	cyclotron	NN
33397	234	19	.	.	.
33397	235	1	_	_	NNP
33397	235	2	Biophysics	Biophysics	NNPS
33397	235	3	_	_	NNP
33397	235	4	Experiments	Experiments	NNPS
33397	235	5	in	in	IN
33397	235	6	biophysics	biophysic	NNS
33397	235	7	are	be	VBP
33397	235	8	conducted	conduct	VBN
33397	235	9	in	in	IN
33397	235	10	the	the	DT
33397	235	11	medical	medical	JJ
33397	235	12	cave	cave	NN
33397	235	13	.	.	.
33397	236	1	In	in	IN
33397	236	2	these	these	DT
33397	236	3	the	the	DT
33397	236	4	interest	interest	NN
33397	236	5	lies	lie	VBZ
33397	236	6	not	not	RB
33397	236	7	in	in	IN
33397	236	8	nuclear	nuclear	JJ
33397	236	9	interactions	interaction	NNS
33397	236	10	but	but	CC
33397	236	11	in	in	IN
33397	236	12	the	the	DT
33397	236	13	effect	effect	NN
33397	236	14	of	of	IN
33397	236	15	ionizing	ionize	VBG
33397	236	16	radiation	radiation	NN
33397	236	17	on	on	IN
33397	236	18	living	living	NN
33397	236	19	tissue	tissue	NN
33397	236	20	.	.	.
33397	237	1	High	high	JJ
33397	237	2	-	-	HYPH
33397	237	3	energy	energy	NN
33397	237	4	beams	beam	NNS
33397	237	5	of	of	IN
33397	237	6	particles	particle	NNS
33397	237	7	can	can	MD
33397	237	8	be	be	VB
33397	237	9	used	use	VBN
33397	237	10	for	for	IN
33397	237	11	selective	selective	JJ
33397	237	12	destruction	destruction	NN
33397	237	13	of	of	IN
33397	237	14	specific	specific	JJ
33397	237	15	areas	area	NNS
33397	237	16	of	of	IN
33397	237	17	the	the	DT
33397	237	18	brain	brain	NN
33397	237	19	.	.	.
33397	238	1	This	this	DT
33397	238	2	permits	permit	VBZ
33397	238	3	physiological	physiological	JJ
33397	238	4	mapping	mapping	NN
33397	238	5	of	of	IN
33397	238	6	the	the	DT
33397	238	7	functions	function	NNS
33397	238	8	of	of	IN
33397	238	9	the	the	DT
33397	238	10	brain	brain	NN
33397	238	11	in	in	IN
33397	238	12	experimental	experimental	JJ
33397	238	13	animals	animal	NNS
33397	238	14	.	.	.
33397	239	1	It	-PRON-	PRP
33397	239	2	further	further	RB
33397	239	3	offers	offer	VBZ
33397	239	4	a	a	DT
33397	239	5	therapeutic	therapeutic	JJ
33397	239	6	approach	approach	NN
33397	239	7	to	to	IN
33397	239	8	the	the	DT
33397	239	9	treatment	treatment	NN
33397	239	10	of	of	IN
33397	239	11	brain	brain	NN
33397	239	12	tumors	tumor	NNS
33397	239	13	.	.	.
33397	240	1	One	one	CD
33397	240	2	of	of	IN
33397	240	3	the	the	DT
33397	240	4	important	important	JJ
33397	240	5	investigational	investigational	JJ
33397	240	6	programs	program	NNS
33397	240	7	is	be	VBZ
33397	240	8	concerned	concern	VBN
33397	240	9	with	with	IN
33397	240	10	the	the	DT
33397	240	11	relationship	relationship	NN
33397	240	12	of	of	IN
33397	240	13	the	the	DT
33397	240	14	pituitary	pituitary	JJ
33397	240	15	gland	gland	NN
33397	240	16	to	to	IN
33397	240	17	the	the	DT
33397	240	18	growth	growth	NN
33397	240	19	rate	rate	NN
33397	240	20	of	of	IN
33397	240	21	certain	certain	JJ
33397	240	22	cancers	cancer	NNS
33397	240	23	and	and	CC
33397	240	24	to	to	IN
33397	240	25	some	some	DT
33397	240	26	endocrine	endocrine	NN
33397	240	27	disorders	disorder	NNS
33397	240	28	.	.	.
33397	241	1	_	_	NNP
33397	241	2	Nuclear	Nuclear	NNP
33397	241	3	Chemistry	Chemistry	NNP
33397	241	4	_	_	NNP
33397	241	5	For	for	IN
33397	241	6	techniques	technique	NNS
33397	241	7	of	of	IN
33397	241	8	radiochemistry	radiochemistry	NNP
33397	241	9	to	to	TO
33397	241	10	be	be	VB
33397	241	11	employed	employ	VBN
33397	241	12	successfully	successfully	RB
33397	241	13	,	,	,
33397	241	14	high	high	JJ
33397	241	15	interaction	interaction	NN
33397	241	16	rates	rate	NNS
33397	241	17	(	(	-LRB-
33397	241	18	and	and	CC
33397	241	19	therefore	therefore	RB
33397	241	20	high	high	JJ
33397	241	21	beam	beam	NN
33397	241	22	intensities	intensity	NNS
33397	241	23	)	)	-RRB-
33397	241	24	are	be	VBP
33397	241	25	needed	need	VBN
33397	241	26	.	.	.
33397	242	1	For	for	IN
33397	242	2	this	this	DT
33397	242	3	reason	reason	NN
33397	242	4	,	,	,
33397	242	5	chemistry	chemistry	NN
33397	242	6	targets	target	NNS
33397	242	7	are	be	VBP
33397	242	8	usually	usually	RB
33397	242	9	inserted	insert	VBN
33397	242	10	right	right	RB
33397	242	11	into	into	IN
33397	242	12	the	the	DT
33397	242	13	cyclotron	cyclotron	NN
33397	242	14	so	so	IN
33397	242	15	that	that	IN
33397	242	16	they	-PRON-	PRP
33397	242	17	can	can	MD
33397	242	18	be	be	VB
33397	242	19	bombarded	bombard	VBN
33397	242	20	directly	directly	RB
33397	242	21	by	by	IN
33397	242	22	the	the	DT
33397	242	23	circulating	circulate	VBG
33397	242	24	beam	beam	NN
33397	242	25	.	.	.
33397	243	1	After	after	IN
33397	243	2	the	the	DT
33397	243	3	bombardment	bombardment	NN
33397	243	4	is	be	VBZ
33397	243	5	completed	complete	VBN
33397	243	6	the	the	DT
33397	243	7	target	target	NN
33397	243	8	is	be	VBZ
33397	243	9	removed	remove	VBN
33397	243	10	from	from	IN
33397	243	11	the	the	DT
33397	243	12	cyclotron	cyclotron	NN
33397	243	13	.	.	.
33397	244	1	It	-PRON-	PRP
33397	244	2	is	be	VBZ
33397	244	3	then	then	RB
33397	244	4	taken	take	VBN
33397	244	5	to	to	IN
33397	244	6	a	a	DT
33397	244	7	chemistry	chemistry	NN
33397	244	8	laboratory	laboratory	NN
33397	244	9	and	and	CC
33397	244	10	subjected	subject	VBN
33397	244	11	to	to	IN
33397	244	12	detailed	detailed	JJ
33397	244	13	chemical	chemical	NN
33397	244	14	procedures	procedure	NNS
33397	244	15	.	.	.
33397	245	1	Individual	individual	JJ
33397	245	2	elements	element	NNS
33397	245	3	are	be	VBP
33397	245	4	removed	remove	VBN
33397	245	5	,	,	,
33397	245	6	and	and	CC
33397	245	7	the	the	DT
33397	245	8	radioactive	radioactive	JJ
33397	245	9	isotopes	isotope	NNS
33397	245	10	of	of	IN
33397	245	11	each	each	DT
33397	245	12	element	element	NN
33397	245	13	are	be	VBP
33397	245	14	identified	identify	VBN
33397	245	15	by	by	IN
33397	245	16	quantitative	quantitative	JJ
33397	245	17	counting	counting	NN
33397	245	18	techniques	technique	NNS
33397	245	19	.	.	.
33397	246	1	In	in	IN
33397	246	2	some	some	DT
33397	246	3	cases	case	NNS
33397	246	4	a	a	DT
33397	246	5	mass	mass	NN
33397	246	6	spectrometer	spectrometer	NN
33397	246	7	is	be	VBZ
33397	246	8	used	use	VBN
33397	246	9	to	to	TO
33397	246	10	analyze	analyze	VB
33397	246	11	the	the	DT
33397	246	12	products	product	NNS
33397	246	13	.	.	.
33397	247	1	Many	many	JJ
33397	247	2	deductions	deduction	NNS
33397	247	3	about	about	IN
33397	247	4	the	the	DT
33397	247	5	nature	nature	NN
33397	247	6	of	of	IN
33397	247	7	the	the	DT
33397	247	8	breakup	breakup	NN
33397	247	9	of	of	IN
33397	247	10	the	the	DT
33397	247	11	target	target	NN
33397	247	12	nucleus	nucleus	NN
33397	247	13	can	can	MD
33397	247	14	be	be	VB
33397	247	15	drawn	draw	VBN
33397	247	16	from	from	IN
33397	247	17	the	the	DT
33397	247	18	pattern	pattern	NN
33397	247	19	of	of	IN
33397	247	20	the	the	DT
33397	247	21	observed	observed	JJ
33397	247	22	radioactive	radioactive	JJ
33397	247	23	products	product	NNS
33397	247	24	.	.	.
33397	248	1	Sometimes	sometimes	RB
33397	248	2	the	the	DT
33397	248	3	nucleus	nucleus	NN
33397	248	4	splits	split	VBZ
33397	248	5	almost	almost	RB
33397	248	6	in	in	IN
33397	248	7	half	half	NN
33397	248	8	.	.	.
33397	249	1	This	this	DT
33397	249	2	is	be	VBZ
33397	249	3	called	call	VBN
33397	249	4	fission	fission	NN
33397	249	5	.	.	.
33397	250	1	More	more	RBR
33397	250	2	frequently	frequently	RB
33397	250	3	smaller	small	JJR
33397	250	4	parts	part	NNS
33397	250	5	of	of	IN
33397	250	6	the	the	DT
33397	250	7	nucleus	nucleus	NN
33397	250	8	are	be	VBP
33397	250	9	split	split	VBN
33397	250	10	off	off	RP
33397	250	11	.	.	.
33397	251	1	Two	two	CD
33397	251	2	general	general	JJ
33397	251	3	types	type	NNS
33397	251	4	of	of	IN
33397	251	5	reactions	reaction	NNS
33397	251	6	,	,	,
33397	251	7	known	know	VBN
33397	251	8	as	as	IN
33397	251	9	spallation	spallation	NN
33397	251	10	and	and	CC
33397	251	11	fragmentation	fragmentation	NN
33397	251	12	,	,	,
33397	251	13	are	be	VBP
33397	251	14	distinguished	distinguish	VBN
33397	251	15	.	.	.
33397	252	1	One	one	CD
33397	252	2	of	of	IN
33397	252	3	the	the	DT
33397	252	4	goals	goal	NNS
33397	252	5	of	of	IN
33397	252	6	this	this	DT
33397	252	7	research	research	NN
33397	252	8	is	be	VBZ
33397	252	9	to	to	TO
33397	252	10	learn	learn	VB
33397	252	11	more	more	JJR
33397	252	12	about	about	IN
33397	252	13	the	the	DT
33397	252	14	constitution	constitution	NN
33397	252	15	of	of	IN
33397	252	16	the	the	DT
33397	252	17	nucleus	nucleus	NN
33397	252	18	and	and	CC
33397	252	19	of	of	IN
33397	252	20	the	the	DT
33397	252	21	forces	force	NNS
33397	252	22	which	which	WDT
33397	252	23	bind	bind	VBP
33397	252	24	the	the	DT
33397	252	25	particles	particle	NNS
33397	252	26	in	in	IN
33397	252	27	the	the	DT
33397	252	28	interior	interior	NN
33397	252	29	of	of	IN
33397	252	30	the	the	DT
33397	252	31	nucleus	nucleus	NN
33397	252	32	.	.	.
33397	253	1	FOOTNOTES	footnote	NNS
33397	253	2	:	:	:
33397	253	3	[	[	-LRB-
33397	253	4	7	7	CD
33397	253	5	]	]	-RRB-
33397	253	6	Mesons	meson	NNS
33397	253	7	are	be	VBP
33397	253	8	elementary	elementary	JJ
33397	253	9	particles	particle	NNS
33397	253	10	intermediate	intermediate	JJ
33397	253	11	in	in	IN
33397	253	12	mass	mass	NN
33397	253	13	between	between	IN
33397	253	14	the	the	DT
33397	253	15	electron	electron	NNP
33397	253	16	and	and	CC
33397	253	17	proton	proton	NNP
33397	253	18	.	.	.
33397	254	1	[	[	-LRB-
33397	254	2	8	8	CD
33397	254	3	]	]	-RRB-
33397	254	4	It	-PRON-	PRP
33397	254	5	may	may	MD
33397	254	6	be	be	VB
33397	254	7	interesting	interesting	JJ
33397	254	8	to	to	TO
33397	254	9	note	note	VB
33397	254	10	that	that	IN
33397	254	11	the	the	DT
33397	254	12	[	[	-LRB-
33397	254	13	pi]^0	pi]^0	NNP
33397	254	14	meson	meson	NNP
33397	254	15	was	be	VBD
33397	254	16	discovered	discover	VBN
33397	254	17	with	with	IN
33397	254	18	this	this	DT
33397	254	19	cyclotron	cyclotron	NN
33397	254	20	in	in	IN
33397	254	21	1950	1950	CD
33397	254	22	.	.	.
33397	255	1	This	this	DT
33397	255	2	was	be	VBD
33397	255	3	the	the	DT
33397	255	4	first	first	JJ
33397	255	5	particle	particle	NN
33397	255	6	to	to	TO
33397	255	7	be	be	VB
33397	255	8	discovered	discover	VBN
33397	255	9	with	with	IN
33397	255	10	an	an	DT
33397	255	11	accelerator	accelerator	NN
33397	255	12	.	.	.
33397	256	1	All	all	DT
33397	256	2	particles	particle	NNS
33397	256	3	that	that	WDT
33397	256	4	had	have	VBD
33397	256	5	been	be	VBN
33397	256	6	previously	previously	RB
33397	256	7	discovered	discover	VBN
33397	256	8	were	be	VBD
33397	256	9	observed	observe	VBN
33397	256	10	first	first	RB
33397	256	11	in	in	IN
33397	256	12	cosmic	cosmic	JJ
33397	256	13	rays	ray	NNS
33397	256	14	or	or	CC
33397	256	15	some	some	DT
33397	256	16	other	other	JJ
33397	256	17	form	form	NN
33397	256	18	of	of	IN
33397	256	19	natural	natural	JJ
33397	256	20	radiation	radiation	NN
33397	256	21	.	.	.
33397	257	1	BIBLIOGRAPHY	BIBLIOGRAPHY	NNP
33397	257	2	1	1	CD
33397	257	3	.	.	.
33397	258	1	Gerald	Gerald	NNP
33397	258	2	A.	A.	NNP
33397	258	3	Behman	Behman	NNP
33397	258	4	,	,	,
33397	258	5	Particle	Particle	NNP
33397	258	6	Accelerators	Accelerators	NNPS
33397	258	7	:	:	:
33397	258	8	I.	I.	NNP
33397	258	9	Bibliography	Bibliography	NNP
33397	258	10	,	,	,
33397	258	11	II	II	NNP
33397	258	12	.	.	.
33397	259	1	List	List	NNP
33397	259	2	of	of	IN
33397	259	3	Accelerator	Accelerator	NNP
33397	259	4	Installations	Installations	NNPS
33397	259	5	,	,	,
33397	259	6	UCRL-8050	UCRL-8050	NNP
33397	259	7	,	,	,
33397	259	8	January	January	NNP
33397	259	9	1	1	CD
33397	259	10	,	,	,
33397	259	11	1958	1958	CD
33397	259	12	.	.	.
33397	260	1	2	2	LS
33397	260	2	.	.	.
33397	261	1	Samuel	Samuel	NNP
33397	261	2	Glasstone	Glasstone	NNP
33397	261	3	,	,	,
33397	261	4	The	the	DT
33397	261	5	Acceleration	Acceleration	NNP
33397	261	6	of	of	IN
33397	261	7	Charged	Charged	NNP
33397	261	8	Particles	Particles	NNPS
33397	261	9	,	,	,
33397	261	10	in	in	IN
33397	261	11	_	_	NNP
33397	261	12	Sourcebook	Sourcebook	NNP
33397	261	13	on	on	IN
33397	261	14	Atomic	Atomic	NNP
33397	261	15	Energy	Energy	NNP
33397	261	16	_	_	NNP
33397	261	17	,	,	,
33397	261	18	Second	Second	NNP
33397	261	19	Edition	Edition	NNP
33397	261	20	(	(	-LRB-
33397	261	21	Van	Van	NNP
33397	261	22	Nostrand	Nostrand	NNP
33397	261	23	,	,	,
33397	261	24	Princeton	Princeton	NNP
33397	261	25	,	,	,
33397	261	26	1958	1958	CD
33397	261	27	)	)	-RRB-
33397	261	28	,	,	,
33397	261	29	Ch	Ch	NNP
33397	261	30	.	.	.
33397	262	1	IX	ix	NN
33397	262	2	.	.	.
33397	263	1	3	3	LS
33397	263	2	.	.	.
33397	264	1	M.	M.	NNP
33397	264	2	S.	S.	NNP
33397	264	3	Livingston	Livingston	NNP
33397	264	4	,	,	,
33397	264	5	_	_	NNP
33397	264	6	High	High	NNP
33397	264	7	-	-	HYPH
33397	264	8	Energy	Energy	NNP
33397	264	9	Accelerators	Accelerators	NNPS
33397	264	10	_	_	NNP
33397	264	11	(	(	-LRB-
33397	264	12	Interscience	Interscience	NNP
33397	264	13	Publishers	Publishers	NNPS
33397	264	14	,	,	,
33397	264	15	New	New	NNP
33397	264	16	York	York	NNP
33397	264	17	,	,	,
33397	264	18	1954	1954	CD
33397	264	19	)	)	-RRB-
33397	264	20	.	.	.
33397	265	1	4	4	LS
33397	265	2	.	.	.
33397	266	1	M.	M.	NNP
33397	266	2	Stanley	Stanley	NNP
33397	266	3	Livingston	Livingston	NNP
33397	266	4	and	and	CC
33397	266	5	Edwin	Edwin	NNP
33397	266	6	M.	M.	NNP
33397	266	7	McMillan	McMillan	NNP
33397	266	8	,	,	,
33397	266	9	History	history	NN
33397	266	10	of	of	IN
33397	266	11	the	the	DT
33397	266	12	Cyclotron	Cyclotron	NNP
33397	266	13	,	,	,
33397	266	14	Physics	Physics	NNP
33397	266	15	Today	Today	NNP
33397	266	16	_	_	NNP
33397	266	17	12	12	CD
33397	266	18	_	_	NNP
33397	266	19	,	,	,
33397	266	20	18	18	CD
33397	266	21	-	-	SYM
33397	266	22	34	34	CD
33397	266	23	(	(	-LRB-
33397	266	24	October	October	NNP
33397	266	25	1959	1959	CD
33397	266	26	)	)	-RRB-
33397	266	27	.	.	.
33397	267	1	5	5	CD
33397	267	2	.	.	.
33397	268	1	E.	E.	NNP
33397	268	2	M.	M.	NNP
33397	268	3	McMillan	McMillan	NNP
33397	268	4	,	,	,
33397	268	5	Particle	Particle	NNP
33397	268	6	Accelerators	Accelerators	NNPS
33397	268	7	,	,	,
33397	268	8	in	in	IN
33397	268	9	_	_	NNP
33397	268	10	Experimental	Experimental	NNP
33397	268	11	Nuclear	Nuclear	NNP
33397	268	12	Physics	Physics	NNP
33397	268	13	_	_	NNP
33397	268	14	,	,	,
33397	268	15	Emilio	Emilio	NNP
33397	268	16	Segrè	Segrè	NNP
33397	268	17	,	,	,
33397	268	18	Editor	Editor	NNP
33397	268	19	,	,	,
33397	268	20	Vol	Vol	NNP
33397	268	21	.	.	.
33397	269	1	III	III	NNP
33397	269	2	(	(	-LRB-
33397	269	3	Wiley	Wiley	NNP
33397	269	4	,	,	,
33397	269	5	New	New	NNP
33397	269	6	York	York	NNP
33397	269	7	,	,	,
33397	269	8	1959	1959	CD
33397	269	9	)	)	-RRB-
33397	269	10	,	,	,
33397	269	11	Part	Part	NNP
33397	269	12	XIII	XIII	NNP
33397	269	13	.	.	.
33397	270	1	6	6	CD
33397	270	2	.	.	.
33397	271	1	Bob	Bob	NNP
33397	271	2	H.	H.	NNP
33397	271	3	Smith	Smith	NNP
33397	271	4	_	_	NNP
33397	271	5	et	et	NNP
33397	271	6	al	al	NNP
33397	271	7	.	.	NNP
33397	271	8	_	_	NNP
33397	271	9	,	,	,
33397	271	10	The	the	DT
33397	271	11	Electrical	Electrical	NNP
33397	271	12	Aspects	Aspects	NNPS
33397	271	13	of	of	IN
33397	271	14	the	the	DT
33397	271	15	UCRL	UCRL	NNP
33397	271	16	740-Mev	740-Mev	NNP
33397	271	17	Synchrocyclotron	Synchrocyclotron	NNP
33397	271	18	,	,	,
33397	271	19	UCRL-3779	UCRL-3779	NNP
33397	271	20	Rev.	Rev.	NNP
33397	271	21	,	,	,
33397	271	22	October	October	NNP
33397	271	23	2	2	CD
33397	271	24	,	,	,
33397	271	25	1957	1957	CD
33397	271	26	.	.	.
33397	272	1	7	7	LS
33397	272	2	.	.	.
33397	273	1	Robert	Robert	NNP
33397	273	2	L.	L.	NNP
33397	273	3	Thornton	Thornton	NNP
33397	273	4	,	,	,
33397	273	5	Frequency	Frequency	NNP
33397	273	6	-	-	HYPH
33397	273	7	Modulation	Modulation	NNP
33397	273	8	and	and	CC
33397	273	9	Radiofrequency	Radiofrequency	NNP
33397	273	10	System	System	NNP
33397	273	11	for	for	IN
33397	273	12	the	the	DT
33397	273	13	Modified	Modified	NNP
33397	273	14	Berkeley	Berkeley	NNP
33397	273	15	Cyclotron	Cyclotron	NNP
33397	273	16	,	,	,
33397	273	17	UCRL-3362	UCRL-3362	NNP
33397	273	18	,	,	,
33397	273	19	April	April	NNP
33397	273	20	3	3	CD
33397	273	21	,	,	,
33397	273	22	1956	1956	CD
33397	273	23	.	.	.
33397	274	1	8	8	LS
33397	274	2	.	.	.
33397	275	1	Robert	Robert	NNP
33397	275	2	R.	R.	NNP
33397	275	3	Wilson	Wilson	NNP
33397	275	4	,	,	,
33397	275	5	Particle	Particle	NNP
33397	275	6	Accelerators	Accelerators	NNPS
33397	275	7	,	,	,
33397	275	8	Scientific	Scientific	NNP
33397	275	9	American	American	NNP
33397	275	10	_	_	NNP
33397	275	11	198	198	NNP
33397	275	12	_	_	NNP
33397	275	13	,	,	,
33397	275	14	64	64	CD
33397	275	15	-	-	SYM
33397	275	16	76	76	CD
33397	275	17	(	(	-LRB-
33397	275	18	March	March	NNP
33397	275	19	1958	1958	CD
33397	275	20	)	)	-RRB-
33397	275	21	.	.	.
33397	276	1	APPENDIX	APPENDIX	NNP
33397	276	2	SUMMARY	summary	NN
33397	276	3	OF	of	IN
33397	276	4	SPECIFICATIONS	specifications	JJ
33397	276	5	Present	present	JJ
33397	276	6	fields	field	NNS
33397	276	7	of	of	IN
33397	276	8	research	research	NN
33397	276	9	%	%	NN
33397	276	10	of	of	IN
33397	276	11	time	time	NN
33397	276	12	--------------------------	--------------------------	NFP
33397	276	13	---------	---------	NFP
33397	276	14	Nuclear	nuclear	JJ
33397	276	15	physics	physics	NN
33397	276	16	86	86	CD
33397	276	17	Nuclear	nuclear	JJ
33397	276	18	chemistry	chemistry	NN
33397	276	19	2	2	CD
33397	276	20	Biophysics	biophysic	NNS
33397	276	21	12	12	CD
33397	276	22	_	_	NNP
33397	276	23	Scheduled	Scheduled	NNP
33397	276	24	operation	operation	NN
33397	276	25	_	_	NNP
33397	276	26	156	156	CD
33397	276	27	hours	hour	NNS
33397	276	28	/	/	SYM
33397	276	29	week	week	NN
33397	276	30	_	_	NNP
33397	276	31	Performance	Performance	NNP
33397	276	32	_	_	NNP
33397	276	33	_	_	NNP
33397	276	34	Internal	Internal	NNP
33397	276	35	Beams	Beams	NNPS
33397	276	36	_	_	NNP
33397	276	37	Alpha	Alpha	NNP
33397	276	38	Helium-3	Helium-3	NNP
33397	276	39	Protons	Protons	NNPS
33397	276	40	Deuterons	Deuterons	NNPS
33397	276	41	particles	particle	NNS
33397	276	42	ions	ion	NNS
33397	276	43	-------	-------	NFP
33397	276	44	---------	---------	NFP
33397	276	45	---------	---------	NFP
33397	276	46	--------	--------	NFP
33397	276	47	Maximum	maximum	JJ
33397	276	48	energy	energy	NN
33397	276	49	(	(	-LRB-
33397	276	50	Mev	Mev	NNP
33397	276	51	)	)	-RRB-
33397	276	52	730	730	CD
33397	276	53	460	460	CD
33397	276	54	910	910	CD
33397	276	55	1140	1140	CD
33397	276	56	Energy	energy	NN
33397	276	57	spread	spread	NN
33397	276	58	(	(	-LRB-
33397	276	59	Mev	Mev	NNP
33397	276	60	)	)	-RRB-
33397	276	61	55	55	CD
33397	276	62	Beam	Beam	NNP
33397	276	63	intensity	intensity	NN
33397	276	64	Average	average	JJ
33397	276	65	current	current	NN
33397	276	66	(	(	-LRB-
33397	276	67	[	[	-LRB-
33397	276	68	mu]a	mu]a	NN
33397	276	69	)	)	-RRB-
33397	276	70	0.75	0.75	CD
33397	276	71	0.75	0.75	CD
33397	276	72	0.25	0.25	CD
33397	276	73	Peak	Peak	NNP
33397	276	74	current	current	NN
33397	276	75	(	(	-LRB-
33397	276	76	[	[	-LRB-
33397	276	77	mu]a	mu]a	NN
33397	276	78	)	)	-RRB-
33397	276	79	120	120	CD
33397	276	80	120	120	CD
33397	276	81	40	40	CD
33397	276	82	Beam	Beam	NNP
33397	276	83	radius	radius	NN
33397	276	84	,	,	,
33397	276	85	maximum	maximum	JJ
33397	276	86	(	(	-LRB-
33397	276	87	in	in	RB
33397	276	88	.	.	.
33397	276	89	)	)	-RRB-
33397	277	1	82	82	CD
33397	277	2	82	82	CD
33397	277	3	82	82	CD
33397	277	4	82	82	CD
33397	277	5	Time	Time	NNP
33397	277	6	required	require	VBN
33397	277	7	for	for	IN
33397	277	8	acceleration	acceleration	NN
33397	277	9	(	(	-LRB-
33397	277	10	msec	msec	NNP
33397	277	11	)	)	-RRB-
33397	277	12	6	6	CD
33397	277	13	4.5	4.5	CD
33397	277	14	4.5	4.5	CD
33397	277	15	Number	number	NN
33397	277	16	of	of	IN
33397	277	17	revolutions	revolution	NNS
33397	277	18	during	during	IN
33397	277	19	acceleration	acceleration	NN
33397	277	20	75,000	75,000	CD
33397	277	21	60,000	60,000	CD
33397	277	22	60,000	60,000	CD
33397	277	23	Distance	Distance	NNP
33397	277	24	traveled	travel	VBD
33397	277	25	during	during	IN
33397	277	26	acceleration	acceleration	NN
33397	277	27	(	(	-LRB-
33397	277	28	miles	miles	NNP
33397	277	29	)	)	-RRB-
33397	277	30	450	450	CD
33397	277	31	360	360	CD
33397	277	32	360	360	CD
33397	277	33	Velocity	velocity	NN
33397	277	34	at	at	IN
33397	277	35	maximum	maximum	JJ
33397	277	36	energy	energy	NN
33397	277	37	(	(	-LRB-
33397	277	38	%	%	NN
33397	277	39	of	of	IN
33397	277	40	speed	speed	NN
33397	277	41	of	of	IN
33397	277	42	light	light	NN
33397	277	43	)	)	-RRB-
33397	277	44	82	82	CD
33397	277	45	60	60	CD
33397	277	46	60	60	CD
33397	277	47	69	69	CD
33397	277	48	Mass	mass	NN
33397	277	49	increase	increase	NN
33397	277	50	at	at	IN
33397	277	51	maximum	maximum	JJ
33397	277	52	energy	energy	NN
33397	277	53	(	(	-LRB-
33397	277	54	%	%	NN
33397	277	55	of	of	IN
33397	277	56	rest	rest	NN
33397	277	57	mass	mass	NN
33397	277	58	)	)	-RRB-
33397	277	59	75	75	CD
33397	277	60	25	25	CD
33397	277	61	25	25	CD
33397	277	62	40	40	CD
33397	277	63	Range	range	NN
33397	277	64	of	of	IN
33397	277	65	full	full	JJ
33397	277	66	-	-	HYPH
33397	277	67	energy	energy	NN
33397	277	68	particles	particle	NNS
33397	277	69	(	(	-LRB-
33397	277	70	in	in	RB
33397	277	71	.	.	.
33397	278	1	of	of	IN
33397	278	2	aluminum	aluminum	NNP
33397	278	3	)	)	-RRB-
33397	278	4	37	37	CD
33397	278	5	12	12	CD
33397	278	6	7	7	CD
33397	278	7	_	_	NNP
33397	278	8	External	External	NNP
33397	278	9	Beams	Beams	NNPS
33397	278	10	_	_	NNP
33397	278	11	Physics	Physics	NNP
33397	278	12	cave	cave	VBP
33397	278	13	Meson	Meson	NNP
33397	278	14	cave	cave	NN
33397	278	15	-----------------------	-----------------------	NFP
33397	278	16	-------------------	-------------------	NFP
33397	278	17	Protons	proton	NNS
33397	278	18	Neutrons	Neutrons	NNP
33397	278	19	[	[	-LRB-
33397	278	20	pi]^+	pi]^+	NN
33397	278	21	[	[	-LRB-
33397	278	22	pi]^+	pi]^+	NNP
33397	278	23	[	[	-LRB-
33397	278	24	pi]^-	pi]^-	NNP
33397	278	25	-------	-------	NFP
33397	278	26	--------	--------	NFP
33397	278	27	------	------	NFP
33397	278	28	--------	--------	NFP
33397	278	29	---------	---------	NFP
33397	278	30	Energy	Energy	NNP
33397	278	31	(	(	-LRB-
33397	278	32	Mev	Mev	NNP
33397	278	33	)	)	-RRB-
33397	278	34	730	730	CD
33397	278	35	310	310	CD
33397	278	36	100|250	100|250	CD
33397	278	37	100|	100|	CD
33397	278	38	300	300	CD
33397	278	39	Energy	Energy	NNP
33397	278	40	spread	spread	NN
33397	278	41	(	(	-LRB-
33397	278	42	Mev	Mev	NNP
33397	278	43	)	)	-RRB-
33397	278	44	14	14	CD
33397	278	45	10|	10|	CD
33397	278	46	20	20	CD
33397	278	47	10|	10|	CD
33397	278	48	30	30	CD
33397	278	49	Beam	Beam	NNP
33397	278	50	area	area	NN
33397	278	51	(	(	-LRB-
33397	278	52	cm^2	cm^2	NN
33397	278	53	)	)	-RRB-
33397	278	54	25	25	CD
33397	278	55	40	40	CD
33397	278	56	100|100	100|100	CD
33397	278	57	100|	100|	CD
33397	278	58	100	100	CD
33397	278	59	Flux	flux	NN
33397	278	60	(	(	-LRB-
33397	278	61	particles	particle	NNS
33397	278	62	/	/	SYM
33397	278	63	cm^2-sec	cm^2-sec	NNP
33397	278	64	)	)	-RRB-
33397	278	65	2×10	2×10	CD
33397	278	66	^	^	SYM
33397	278	67	10	10	CD
33397	278	68	5×10	5×10	CD
33397	278	69	^	^	SYM
33397	278	70	5	5	CD
33397	278	71	5×10	5×10	CD
33397	278	72	^	^	SYM
33397	278	73	4	4	CD
33397	278	74	1000|100	1000|100	CD
33397	278	75	1500|1000	1500|1000	CD
33397	278	76	_	_	NNP
33397	278	77	Acceleration	Acceleration	NNP
33397	278	78	chamber	chamber	NN
33397	278	79	(	(	-LRB-
33397	278	80	vacuum	vacuum	NN
33397	278	81	tank	tank	NN
33397	278	82	)	)	-RRB-
33397	278	83	_	_	NNP
33397	278	84	Size	Size	NNP
33397	278	85	length	length	NN
33397	278	86	(	(	-LRB-
33397	278	87	ft	ft	NN
33397	278	88	)	)	-RRB-
33397	278	89	25	25	CD
33397	278	90	width	width	NN
33397	278	91	(	(	-LRB-
33397	278	92	ft	ft	FW
33397	278	93	)	)	-RRB-
33397	278	94	20	20	CD
33397	278	95	height	height	NN
33397	278	96	(	(	-LRB-
33397	278	97	ft	ft	NN
33397	278	98	)	)	-RRB-
33397	278	99	4	4	CD
33397	278	100	Material	material	NN
33397	278	101	:	:	:
33397	278	102	mild	mild	JJ
33397	278	103	steel	steel	NN
33397	278	104	Operating	operating	NN
33397	278	105	pressure	pressure	NN
33397	278	106	(	(	-LRB-
33397	278	107	mm	mm	NNP
33397	278	108	Hg	Hg	NNP
33397	278	109	)	)	-RRB-
33397	278	110	10	10	CD
33397	278	111	^	^	NN
33397	278	112	-5	-5	:
33397	278	113	Vacuum	Vacuum	NNP
33397	278	114	pumps	pump	VBZ
33397	278	115	:	:	:
33397	278	116	six	six	CD
33397	278	117	20-in	20-in	NNS
33397	278	118	.	.	.
33397	279	1	oil	oil	NN
33397	279	2	-	-	HYPH
33397	279	3	diffusion	diffusion	NN
33397	279	4	pumps	pump	NNS
33397	279	5	with	with	IN
33397	279	6	8-in	8-in	NNP
33397	279	7	.	.	.
33397	280	1	boosters	booster	NNS
33397	280	2	:	:	:
33397	280	3	one	one	CD
33397	280	4	Beach	Beach	NNP
33397	280	5	-	-	HYPH
33397	280	6	Russ	Russ	NNP
33397	280	7	750-cfm	750-cfm	CD
33397	280	8	;	;	:
33397	280	9	one	one	CD
33397	280	10	Kinney	Kinney	NNP
33397	280	11	300-cfm	300-cfm	CD
33397	280	12	;	;	:
33397	280	13	two	two	CD
33397	280	14	Kinney	Kinney	NNP
33397	280	15	105-cfm	105-cfm	CD
33397	280	16	.	.	.
33397	281	1	Pumping	pump	VBG
33397	281	2	speed	speed	NN
33397	281	3	of	of	IN
33397	281	4	oil	oil	NN
33397	281	5	-	-	HYPH
33397	281	6	diffusion	diffusion	NN
33397	281	7	pumps	pump	NNS
33397	281	8	(	(	-LRB-
33397	281	9	liters	liter	NNS
33397	281	10	/	/	SYM
33397	281	11	sec	sec	NNP
33397	281	12	)	)	-RRB-
33397	281	13	20,000	20,000	CD
33397	281	14	_	_	NNP
33397	281	15	Magnet	Magnet	NNP
33397	281	16	_	_	NNP
33397	281	17	Core	Core	NNP
33397	281	18	diameter	diameter	NN
33397	281	19	(	(	-LRB-
33397	281	20	in	in	RB
33397	281	21	.	.	.
33397	281	22	)	)	-RRB-
33397	282	1	184	184	CD
33397	282	2	Pole	Pole	NNP
33397	282	3	-	-	HYPH
33397	282	4	tip	tip	NNP
33397	282	5	diameter	diameter	NN
33397	282	6	(	(	-LRB-
33397	282	7	in	in	RB
33397	282	8	.	.	.
33397	282	9	)	)	-RRB-
33397	283	1	188.75	188.75	CD
33397	283	2	Pole	Pole	NNP
33397	283	3	gap	gap	NN
33397	283	4	at	at	IN
33397	283	5	center	center	NN
33397	283	6	(	(	-LRB-
33397	283	7	in	in	RB
33397	283	8	.	.	.
33397	283	9	)	)	-RRB-
33397	284	1	14	14	CD
33397	284	2	Magnetic	magnetic	JJ
33397	284	3	field	field	NN
33397	284	4	strength	strength	NN
33397	284	5	(	(	-LRB-
33397	284	6	gauss	gauss	NNP
33397	284	7	)	)	-RRB-
33397	284	8	at	at	IN
33397	284	9	center	center	NN
33397	284	10	23,400	23,400	CD
33397	284	11	at	at	IN
33397	284	12	radius	radius	NN
33397	284	13	of	of	IN
33397	284	14	82.2	82.2	NNP
33397	284	15	in	in	IN
33397	284	16	.	.	NNP
33397	284	17	,	,	,
33397	284	18	where	where	WRB
33397	284	19	n	n	NN
33397	284	20	=	=	SYM
33397	284	21	0.2	0.2	CD
33397	284	22	22,275	22,275	CD
33397	284	23	Weight	weight	NN
33397	284	24	of	of	IN
33397	284	25	steel	steel	NN
33397	284	26	(	(	-LRB-
33397	284	27	tons	ton	NNS
33397	284	28	)	)	-RRB-
33397	284	29	4,000	4,000	CD
33397	284	30	Magnet	magnet	NN
33397	284	31	coils	coil	NNS
33397	284	32	Main	Main	NNP
33397	284	33	coils	coil	VBZ
33397	284	34	Auxiliary	auxiliary	JJ
33397	284	35	coils	coil	NNS
33397	284	36	----------	----------	NFP
33397	284	37	---------------	---------------	NFP
33397	284	38	material	material	NN
33397	284	39	solid	solid	JJ
33397	284	40	copper	copper	NN
33397	284	41	hollow	hollow	NN
33397	284	42	copper	copper	NN
33397	284	43	(	(	-LRB-
33397	284	44	1/4	1/4	CD
33397	284	45	×	×	NN
33397	284	46	4	4	CD
33397	284	47	in	in	IN
33397	284	48	.	.	.
33397	284	49	)	)	-RRB-
33397	285	1	(	(	-LRB-
33397	285	2	1	1	CD
33397	285	3	-	-	SYM
33397	285	4	3/16	3/16	CD
33397	285	5	×	×	NN
33397	285	6	1	1	CD
33397	285	7	-	-	SYM
33397	285	8	1/16	1/16	CD
33397	285	9	in	in	RB
33397	285	10	.	.	.
33397	285	11	)	)	-RRB-
33397	286	1	weight	weight	NN
33397	286	2	of	of	IN
33397	286	3	copper	copper	NN
33397	286	4	(	(	-LRB-
33397	286	5	tons	ton	NNS
33397	286	6	)	)	-RRB-
33397	286	7	300	300	CD
33397	286	8	40	40	CD
33397	286	9	number	number	NN
33397	286	10	of	of	IN
33397	286	11	turns	turn	NNS
33397	286	12	(	(	-LRB-
33397	286	13	total	total	NN
33397	286	14	)	)	-RRB-
33397	286	15	2,600	2,600	CD
33397	286	16	425	425	CD
33397	286	17	ampere	ampere	RB
33397	286	18	turns	turn	VBZ
33397	286	19	1.9	1.9	CD
33397	286	20	×	×	CD
33397	286	21	10	10	CD
33397	286	22	^	^	SYM
33397	286	23	6	6	CD
33397	286	24	1.1	1.1	CD
33397	286	25	×	×	CD
33397	286	26	10	10	CD
33397	286	27	^	^	SYM
33397	286	28	6	6	CD
33397	286	29	current	current	NN
33397	286	30	(	(	-LRB-
33397	286	31	amp	amp	NN
33397	286	32	)	)	-RRB-
33397	286	33	1600	1600	CD
33397	286	34	2800	2800	CD
33397	286	35	voltage	voltage	NN
33397	286	36	(	(	-LRB-
33397	286	37	v	v	NN
33397	286	38	)	)	-RRB-
33397	286	39	550	550	CD
33397	286	40	560	560	CD
33397	286	41	power	power	NN
33397	286	42	(	(	-LRB-
33397	286	43	kw	kw	NN
33397	286	44	)	)	-RRB-
33397	286	45	900	900	CD
33397	286	46	1600	1600	CD
33397	286	47	coolant	coolant	NN
33397	286	48	oil	oil	NN
33397	286	49	water	water	NN
33397	286	50	_	_	NNP
33397	286	51	Radiofrequency	Radiofrequency	NNP
33397	286	52	system	system	NN
33397	286	53	_	_	NNP
33397	286	54	Dee	Dee	NNP
33397	286	55	system	system	NN
33397	286	56	number	number	NN
33397	286	57	of	of	IN
33397	286	58	dees	dee	NNS
33397	286	59	1	1	CD
33397	286	60	size	size	NN
33397	286	61	length	length	NN
33397	286	62	(	(	-LRB-
33397	286	63	in	in	RB
33397	286	64	.	.	.
33397	286	65	)	)	-RRB-
33397	287	1	126	126	CD
33397	287	2	width	width	NN
33397	287	3	(	(	-LRB-
33397	287	4	in	in	RB
33397	287	5	.	.	.
33397	287	6	)	)	-RRB-
33397	288	1	180	180	CD
33397	288	2	height	height	NN
33397	288	3	(	(	-LRB-
33397	288	4	in	in	RB
33397	288	5	.	.	.
33397	288	6	)	)	-RRB-
33397	289	1	48	48	CD
33397	289	2	material	material	NN
33397	289	3	:	:	:
33397	289	4	1/64-in.-thick	1/64-in.-thick	CD
33397	289	5	copper	copper	NN
33397	289	6	,	,	,
33397	289	7	stretched	stretch	VBD
33397	289	8	over	over	IN
33397	289	9	a	a	DT
33397	289	10	stainless	stainless	JJ
33397	289	11	steel	steel	NN
33397	289	12	frame	frame	NN
33397	289	13	dee	dee	JJ
33397	289	14	aperture	aperture	NN
33397	289	15	(	(	-LRB-
33397	289	16	in	in	RB
33397	289	17	.	.	.
33397	289	18	)	)	-RRB-
33397	290	1	4	4	LS
33397	290	2	-	-	SYM
33397	290	3	3/16	3/16	CD
33397	290	4	Oscillator	Oscillator	NNP
33397	290	5	type	type	NN
33397	290	6	:	:	:
33397	290	7	self	self	NN
33397	290	8	-	-	HYPH
33397	290	9	excited	excite	VBN
33397	290	10	grounded	ground	VBN
33397	290	11	-	-	HYPH
33397	290	12	grid	grid	NN
33397	290	13	10	10	CD
33397	290	14	tube	tube	NN
33397	290	15	:	:	:
33397	290	16	one	one	CD
33397	290	17	Machlett	Machlett	NNP
33397	290	18	ML5681	ML5681	NNP
33397	290	19	dc	dc	NNP
33397	290	20	input	input	NN
33397	290	21	,	,	,
33397	290	22	operating	operate	VBG
33397	290	23	condition	condition	NN
33397	290	24	(	(	-LRB-
33397	290	25	kw	kw	UH
33397	290	26	)	)	-RRB-
33397	290	27	10	10	CD
33397	290	28	dee	dee	JJ
33397	290	29	bias	bias	NN
33397	290	30	,	,	,
33397	290	31	maximum	maximum	JJ
33397	290	32	dc	dc	NNP
33397	290	33	(	(	-LRB-
33397	290	34	v	v	NNP
33397	290	35	)	)	-RRB-
33397	290	36	2000	2000	CD
33397	290	37	Protons	proton	NNS
33397	290	38	Deuterons	Deuterons	NNPS
33397	290	39	Alpha	alpha	NN
33397	290	40	particles	particle	NNS
33397	290	41	-------	-------	NFP
33397	290	42	---------	---------	NFP
33397	290	43	---------------	---------------	NFP
33397	290	44	rf	rf	NN
33397	290	45	duty	duty	NN
33397	290	46	cycle	cycle	NN
33397	290	47	(	(	-LRB-
33397	290	48	%	%	NN
33397	290	49	)	)	-RRB-
33397	290	50	38	38	CD
33397	290	51	28	28	CD
33397	290	52	28	28	CD
33397	290	53	dee	dee	NN
33397	290	54	-	-	HYPH
33397	290	55	to	to	IN
33397	290	56	-	-	HYPH
33397	290	57	ground	ground	NN
33397	290	58	voltage	voltage	NN
33397	290	59	,	,	,
33397	290	60	peak	peak	NN
33397	290	61	(	(	-LRB-
33397	290	62	kv	kv	NNP
33397	290	63	)	)	-RRB-
33397	290	64	9	9	CD
33397	290	65	6	6	CD
33397	290	66	6	6	CD
33397	290	67	Frequency	Frequency	NNP
33397	290	68	-	-	HYPH
33397	290	69	modulation	modulation	NN
33397	290	70	system	system	NN
33397	290	71	type	type	NN
33397	290	72	:	:	:
33397	290	73	vibrating	vibrate	VBG
33397	290	74	-	-	HYPH
33397	290	75	reed	reed	NN
33397	290	76	(	(	-LRB-
33397	290	77	tuning	tuning	NN
33397	290	78	-	-	HYPH
33397	290	79	fork	fork	NN
33397	290	80	)	)	-RRB-
33397	290	81	capacitor	capacitor	NN
33397	290	82	number	number	NN
33397	290	83	of	of	IN
33397	290	84	units	unit	NNS
33397	290	85	:	:	:
33397	290	86	two	two	CD
33397	290	87	(	(	-LRB-
33397	290	88	two	two	CD
33397	290	89	blades	blade	NNS
33397	290	90	each	each	DT
33397	290	91	)	)	-RRB-
33397	290	92	blades	blade	NNS
33397	290	93	size	size	NN
33397	290	94	width	width	NN
33397	290	95	(	(	-LRB-
33397	290	96	in	in	RB
33397	290	97	.	.	.
33397	290	98	)	)	-RRB-
33397	291	1	45	45	CD
33397	291	2	length	length	NN
33397	291	3	(	(	-LRB-
33397	291	4	in	in	RB
33397	291	5	.	.	.
33397	291	6	)	)	-RRB-
33397	292	1	32	32	CD
33397	292	2	thickness	thickness	NN
33397	292	3	:	:	:
33397	292	4	tapered	taper	VBN
33397	292	5	from	from	IN
33397	292	6	1.4	1.4	CD
33397	292	7	to	to	IN
33397	292	8	0.06	0.06	CD
33397	292	9	in	in	IN
33397	292	10	.	.	.
33397	293	1	weight	weight	NNP
33397	293	2	(	(	-LRB-
33397	293	3	lb	lb	NNP
33397	293	4	)	)	-RRB-
33397	293	5	500	500	CD
33397	293	6	vibrational	vibrational	JJ
33397	293	7	frequency	frequency	NN
33397	293	8	(	(	-LRB-
33397	293	9	cps	cps	NN
33397	293	10	)	)	-RRB-
33397	293	11	64	64	CD
33397	293	12	electrical	electrical	JJ
33397	293	13	capacitance	capacitance	NN
33397	293	14	(	(	-LRB-
33397	293	15	[	[	-LRB-
33397	293	16	mu][mu]f	mu][mu]f	NNP
33397	293	17	)	)	-RRB-
33397	293	18	300	300	CD
33397	293	19	to	to	TO
33397	293	20	6,500	6,500	CD
33397	293	21	peak	peak	NN
33397	293	22	-	-	HYPH
33397	293	23	to	to	IN
33397	293	24	-	-	HYPH
33397	293	25	peak	peak	NN
33397	293	26	excursion	excursion	NN
33397	293	27	(	(	-LRB-
33397	293	28	in	in	IN
33397	293	29	.	.	.
33397	293	30	)	)	-RRB-
33397	294	1	1	1	CD
33397	294	2	minimum	minimum	JJ
33397	294	3	separation	separation	NN
33397	294	4	of	of	IN
33397	294	5	blade	blade	NN
33397	294	6	and	and	CC
33397	294	7	stator	stator	NN
33397	294	8	(	(	-LRB-
33397	294	9	mils	mil	NNS
33397	294	10	)	)	-RRB-
33397	294	11	50	50	CD
33397	294	12	Protons	proton	NNS
33397	294	13	Deuterons	Deuterons	NNPS
33397	294	14	Alpha	alpha	NN
33397	294	15	particles	particle	NNS
33397	294	16	-------	-------	NFP
33397	294	17	---------	---------	NFP
33397	294	18	---------------	---------------	NFP
33397	294	19	frequency	frequency	NN
33397	294	20	sweep	sweep	NN
33397	294	21	(	(	-LRB-
33397	294	22	Mc	Mc	NNP
33397	294	23	)	)	-RRB-
33397	294	24	36	36	CD
33397	294	25	-	-	SYM
33397	294	26	18	18	CD
33397	294	27	18	18	CD
33397	294	28	-	-	HYPH
33397	294	29	13.5	13.5	CD
33397	294	30	18	18	CD
33397	294	31	-	-	HYPH
33397	294	32	13.5	13.5	CD
33397	294	33	Ion	Ion	NNP
33397	294	34	source	source	NN
33397	294	35	:	:	:
33397	294	36	conventional	conventional	JJ
33397	294	37	open	open	JJ
33397	294	38	-	-	HYPH
33397	294	39	arc	arc	NN
33397	294	40	type	type	NN
33397	294	41	_	_	NNP
33397	294	42	Beam	Beam	NNP
33397	294	43	extractor	extractor	NN
33397	294	44	_	_	NNP
33397	294	45	LeCouteur	LeCouteur	NNP
33397	294	46	-	-	HYPH
33397	294	47	type	type	NN
33397	294	48	regenerator	regenerator	NN
33397	294	49	combined	combine	VBN
33397	294	50	with	with	IN
33397	294	51	magnetic	magnetic	JJ
33397	294	52	channel	channel	NN
33397	294	53	_	_	NNP
33397	294	54	Building	Building	NNP
33397	294	55	and	and	CC
33397	294	56	facilities	facility	NNS
33397	294	57	_	_	NNP
33397	294	58	Room	Room	NNP
33397	294	59	dimensions	dimension	NNS
33397	294	60	diameter	diameter	NN
33397	294	61	(	(	-LRB-
33397	294	62	ft	ft	NN
33397	294	63	)	)	-RRB-
33397	294	64	160	160	CD
33397	294	65	height	height	NN
33397	294	66	(	(	-LRB-
33397	294	67	ft	ft	NN
33397	294	68	)	)	-RRB-
33397	294	69	90	90	CD
33397	294	70	Crane	Crane	NNP
33397	294	71	type	type	NN
33397	294	72	:	:	:
33397	294	73	radial	radial	JJ
33397	294	74	capacity	capacity	NN
33397	294	75	(	(	-LRB-
33397	294	76	tons	ton	NNS
33397	294	77	)	)	-RRB-
33397	294	78	30	30	CD
33397	294	79	overhead	overhead	JJ
33397	294	80	span	span	NN
33397	294	81	(	(	-LRB-
33397	294	82	ft	ft	NN
33397	294	83	)	)	-RRB-
33397	294	84	77	77	CD
33397	294	85	Concrete	concrete	JJ
33397	294	86	shielding	shielding	NN
33397	294	87	:	:	:
33397	294	88	15	15	CD
33397	294	89	ft	ft	NN
33397	294	90	thick	thick	JJ
33397	294	91	on	on	IN
33397	294	92	sides	side	NNS
33397	294	93	,	,	,
33397	294	94	4	4	CD
33397	294	95	ft	ft	NN
33397	294	96	on	on	IN
33397	294	97	top	top	JJ
33397	294	98	_	_	NNP
33397	294	99	History	History	NNP
33397	294	100	_	_	NNP
33397	294	101	Design	Design	NNP
33397	294	102	started	start	VBD
33397	294	103	:	:	:
33397	294	104	January	January	NNP
33397	294	105	1940	1940	CD
33397	294	106	.	.	.
33397	295	1	Construction	construction	NN
33397	295	2	started	start	VBD
33397	295	3	:	:	:
33397	295	4	August	August	NNP
33397	295	5	1940	1940	CD
33397	295	6	.	.	.
33397	296	1	First	first	JJ
33397	296	2	operation	operation	NN
33397	296	3	for	for	IN
33397	296	4	deuterons	deuteron	NNS
33397	296	5	and	and	CC
33397	296	6	alpha	alpha	NN
33397	296	7	particles	particle	NNS
33397	296	8	:	:	:
33397	296	9	November	November	NNP
33397	296	10	1946	1946	CD
33397	296	11	.	.	.
33397	296	12	for	for	IN
33397	296	13	protons	proton	NNS
33397	296	14	:	:	:
33397	296	15	December	December	NNP
33397	296	16	1948	1948	CD
33397	296	17	.	.	.
33397	297	1	Rebuilt	rebuild	VBN
33397	297	2	:	:	:
33397	297	3	1955	1955	CD
33397	297	4	-	-	SYM
33397	297	5	1957	1957	CD
33397	297	6	.	.	.
33397	298	1	[	[	-LRB-
33397	298	2	Illustration	illustration	NN
33397	298	3	:	:	:
33397	298	4	Synchrocyclotron	Synchrocyclotron	NNP
33397	298	5	Building	Building	NNP
33397	298	6	]	]	-RRB-
33397	298	7	[	[	-LRB-
33397	298	8	Transcriber	Transcriber	NNP
33397	298	9	's	's	POS
33397	298	10	Note	note	NN
33397	298	11	:	:	:
33397	298	12	The	the	DT
33397	298	13	following	follow	VBG
33397	298	14	changes	change	NNS
33397	298	15	have	have	VBP
33397	298	16	been	be	VBN
33397	298	17	made	make	VBN
33397	298	18	to	to	IN
33397	298	19	the	the	DT
33397	298	20	printed	print	VBN
33397	298	21	text	text	NN
33397	298	22	:	:	:
33397	298	23	Page	page	NN
33397	298	24	15	15	CD
33397	298	25	,	,	,
33397	298	26	added	add	VBN
33397	298	27	closing	closing	NN
33397	298	28	quote	quote	NN
33397	298	29	(	(	-LRB-
33397	298	30	are	be	VBP
33397	298	31	called	call	VBN
33397	298	32	"	"	``
33397	298	33	caves	cave	NNS
33397	298	34	"	"	''
33397	298	35	because	because	IN
33397	298	36	)	)	-RRB-
33397	298	37	Page	page	NN
33397	298	38	19	19	CD
33397	298	39	,	,	,
33397	298	40	"	"	``
33397	298	41	iostopes	iostope	NNS
33397	298	42	"	"	''
33397	298	43	corrected	correct	VBN
33397	298	44	to	to	IN
33397	298	45	"	"	``
33397	298	46	isotopes	isotope	NNS
33397	298	47	"	"	''
33397	298	48	]	]	-RRB-