Search for the decay $B^0\to D{K}^{\ast 0}$ followed by $D\to K^{-}{\pi }^{+}$

The Belle Collaboration, K. Negishi, Y. Horii +136

We report a study of the decay $B^0\to D{K}^{+}{\pi }^{-}$ followed by $D\to K^{-}{\pi }^{+}$, where $D$ indicates $D^0$ or ${\bar{D}}^0$. We reconstruct the $D{K}^{+}{\pi }^{-}$ state in a phase…