Searching for possible ${\Omega }_c-$like molecular states from ${\Xi }_c^{\ast }\bar{K}/{\Xi }_c{\bar{K}}^{\ast }/{\Xi }_c^{\prime }{\bar{K}}^{\ast }$ interaction

Abstract

Stimulated by the observations of recent observation of ${\Omega }_c$ as well as former one of $P_c(4380)$ and $P_c(4450)$, we perform a coupled channel analysis of ${\Xi }_c^{\ast }\bar{K}/{\Omega }_c\eta /{\Omega }_c^{\ast }\eta /{\Xi }_c{\bar{K}}^{\ast }/{\Xi }_c^{\prime }{\bar{K}}^{\ast }/{\Omega }_c\omega$ systems to search for possible ${\Omega }_c-$like molecular states by using a one-boson-exchange potential. Our results suggest there exists a loosely bound molecular state, a ${\Xi }_c^{\ast }\bar{K}/{\Omega }_c\eta /{\Omega }_c^{\ast }\eta /{\Xi }_c{\bar{K}}^{\ast }/{\Xi }_c^{\prime }{\bar{K}}^{\ast }/{\Omega }_c\omega$ with $I(J^P)=0(3/2^{-})$, it is mainly composed of the ${\Xi }_c^{\ast }\bar{K}$ system. Two-body strong decay width is also studied, where we find that ${\Xi }_c^{\prime }\bar{K}$ is the dominant decay channel.

12 pages, 3 figures. Version accepted for publication in Phys. Rev. D

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