B_c meson rare decays in the light-cone quark model

Teng Wang, Tianbo Liu, Da-Xin Zhang +1

We investigate the rare decays $B_c\to D_s(1968)\ell \bar{\ell }$ and $B_c\to D_s^{\ast }(2317)\ell \bar{\ell }$ in the framework of the light-cone quark model (LCQM). T…