Exotic $Qq\bar{q}\bar{q}$ states in the chiral quark model

Yuheng Wu, Ye Yan, Yue Tan +3

In the framework of the chiral quark model, we investigate the $Qq\bar{q}\bar{q}$ ($Q=c,b$ and $q=u,d$) tetraquark system with two structures: $Q\bar{q}$-$q\bar{q}$ and $Qq$-$\…