Analyzing the semileptonic and nonleptonic $B_c\to J/\psi ,{\eta }_c$ decays

Aritra Biswas, Soumitra Nandi, Shantanu Sahoo

This study focuses on the decay of the $B_c$ meson to S-wave charmonia. Starting with lattice inputs on $B_c\to J/\psi$ form factors, we have obtained the $B_c\to {\eta }_c$ form factors usi…