Abstract
Inspired by the observation of hidden-charm pentaquark Pc and Pcs states by the LHCb Collaboration, we explore the qqcc¯c (q=u or d) pentaquark systems in the quark delocalization color screening model. The interaction between baryons and mesons and the influence of channel coupling are studied in this work. Three compact qqcc¯c pentaquark states are obtained, whose masses are 5259 MeV with I(JP)=0(1/2−), 5396 MeV with I(JP)=1(1/2−), and 5465 MeV with I(JP)=1(3/2−). Two molecular states are obtained, which are I(JP)=0(1/2−)ΛcJ/ψ with 5367 MeV and I(JP)=0(5/2−) Ξcc*D¯* with 5690 MeV. These predicted states may provide important information for future experimental search. Published by the American Physical Society 2024
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