First observation of the hidden-charm pentaquarks on lattice

Hanyang Xing, Jian Liang, Liuming Liu +2

The s-wave scattering of ${\Sigma }_c\bar{D}$ and ${\Sigma }_c{\bar{D}}^{\ast }$ in the $I(J^P)=\frac{1}{2}({\frac{1}{2}}^{-})$ channel is calculated in lattice QCD using two ensembles with different volu…