Theoretical study of the open-flavor tetraquark $T_{c\bar{s}}(2900)$ in the process $\hat{I}{›}_b\to K^0{D}^0\hat{I}›$

Wen-Tao Lyu, Yun-He Lyu, Man-Yu Duan +3

Recently, the LHCb Collaboration has measured the processes $B^0\to {\bar{D}}^0{D}_s^{+}\ddot{I}{€}^{-}$ and $B^{+}\to {\bar{D}}^0{D}_s^{+}\ddot{I}{€}^{+}$, where the $D_s^{+}\ddot{I}{€}^{-}$ and $D_s^{+}\ddot{I}{€}^{+}$ invariant mass distribu…