Pentaquark states from bound state approach with chiral partner structure

Ben-Teng Zhang, Jun-Shuai Wang, Yong-Liang Ma

The observation of the two states $P_c(4380)$ and $P_c(4445)$ [Phys.Rev.Lett. 115 (2015) 072001] solids the existence of the pentaquark state in Nature. In this work, we study the…