Observation of $B_s^0\to {\overline{D}}^{\ast 0}\varphi$ and search for $B^0\to {\overline{D}}^0\varphi$ decays

LHCb collaboration, R. Aaij, B. Adeva +807

The first observation of the $B_s^0\to {\overline{D}}^{\ast 0}\varphi$ decay is reported, with a significance of more than seven standard deviations, from an analysis of $pp$ collision data…