Estimating Form Factors of $B_s\to D_s^{(\ast )}$ and their Applications to Semi-leptonic and Non-leptonic Decays

Xiang-Jun Chen, Hui-feng Fu, C. S. Kim +1

$B_s^0\to D_s^{-}$ and $B_s^0\to D_s^{\ast -}$ weak transition form factors are estimated for the whole physical region with a method based on an instantaneous approxim…