id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
work_kmljkprgqvgavh7kiutfugnbm4	Jean-Marc Richard	Pentaquarks with anticharm or beauty revisited	2019	3	.pdf	application/pdf	3195	448	74	We use a constituent model to analyze the stability of pentaquark Q̄ qqqq configurations with a heavy the heavy quark becomes infinite, i.e., the chromomagnetic energy is restricted to the light sector, a downwards shift δM = 8 a ∼ 150 MeV is obtained for Q̄ qqqq, as compared to its lowest threshold Q̄ q + qqq. chromoelectric and chromomagnetic contributions, tuned to reproduce the masses of the mesons and baryons entering the various thresholds and study the pentaquark configurations Q̄ uuds, Q̄ ddsu bound state in the simple chromomagnetic model and thus are not We calculate the binding energy of mesons, baryons and pentaquarks by means of an expansion on a set of correlated Gaussians, schematically the short-range correlation is significantly weakened in the pentaquark as compared to its value in baryons, and that the configuration favoring the chromomagnetic binding is not optimal when 	./cache/work_kmljkprgqvgavh7kiutfugnbm4.pdf	./txt/work_kmljkprgqvgavh7kiutfugnbm4.txt