Semileptonic decay of $B_c$ meson into $c\bar{c}$ states in a quark model

Arpit Parmar, Bhavin Patel, P C Vinodkumar

The exclusive semileptonic decay form factors and widths of $B_c$ meson in the $c\bar{c}({\eta }_c,J/\psi )$ states based on heavy quark effective theory are computed. The spectroscopic par…