Towards a Global Analysis of the $b\to c\bar{u}q$ Puzzle

Stefan Meiser, Danny van Dyk, Javier Virto

We study the nonleptonic decays ${\bar{B}}_s^0\to D_s^{(\ast )+}{\pi }^{-}$ and ${\bar{B}}^0\to D^{(\ast )+}{K}^{-}$ within the Weak Effective Theory (WET) up to mass-dimension six. We revisit the ca…