The rare decay $B_c\to D_s^{\ast }{\mu }^{+}{\mu }^{-}$ in a family non-nuiversal model

Lu Lin-xia, Zhang Guo-fang, Wang Shuai-wei +1

Using the form factors calculated in the three-point QCD sum rules approach, we calculate the new physics contributions to the physical observables of $B_c\to D_s^{\ast }{\mu }^{+}{\mu }^{-}$ decay…