Production of $Z_c(3900$) and $Z_c(4020)$ in $B_c$ decay

Qi Wu, Dian-Yong Chen, Xue-Jia Fan +1

In the present work, we propose to search the charmonium-like states $Z_c(3900$) and $Z_c(4020)$ in the $B_c$ decay. In an effective Lagrangian approach, the branching ratios of $B…