id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
work_clmaf5cutfgbzg6l6gqznq2ed4	A. Ali	Hidden-beauty charged tetraquarks and heavy quark spin conservation	2015	6	.pdf	application/pdf	1873	302	85	heavy-quark spin conservation once the contributions of Zb,Z in Υ(10890) → Υ(nS)ππ decays and of light quark spin a new scheme for the spin-spin quark interactions in the hidden charm resonances has been proposed, which reproduces well the mass and decay pattern of X(3872), of the recently discovered [5] Tetraquark states in the large Nc (color) limit of QCD have been considered in [6] and [7] (see These resonances are interpreted as S−wave JP G = 1++ states with diquark spin distribution Next we consider another crucial prediction of QCD, namely conservation of the heavy quark (7) and heavy quark spin conservation require relative normalizations and phases obtained by the fit, for decays into hb(1P) and hb(2P). (8), that is with the heavy-quark spin conservation, is apparent. In the Xb decay, both ω and ρ channels are allowed by phase space, so that, if Xb is isosinglet, the dominant mode would be into Υ(1S) ω.	./cache/work_clmaf5cutfgbzg6l6gqznq2ed4.pdf	./txt/work_clmaf5cutfgbzg6l6gqznq2ed4.txt