Towards a measurement of ${\varphi }_3$

S. K. Swain

Results on the decays $B^{-}\to D_{CP}{K}^{-}$, $\overline{B^0}\to D^{(\ast )0}{\bar{K}}^{(\ast )0}$, $B^0\to D^{\ast \mp }{\pi }^{\pm }$ and their charge conjugates using data collected at the ${\rm Y}(4S)$…