$P_{cs}(4459)$ and other possible molecular states from ${\Xi }_c^{(\ast )}{\bar{D}}^{(\ast )}$ and ${\Xi }_c^{\prime }{\bar{D}}^{(\ast )}$ interactions

Jun-Tao Zhu, Lin-Qing Song, Jun He

Recently, the LHCb Collaboration reported a new structure $P_{cs}(4459)$ with a mass of 19 MeV below the ${\Xi }_c{\bar{D}}^{\ast }$ threshold. It may be a candidate of molecular state from…