Observation of the decay $B_s^0\to {\overline{D}}^0{K}^{+}{K}^{-}$

LHCb collaboration, R. Aaij, B. Adeva +808

The first observation of the $B_s^0\to {\overline{D}}^0{K}^{+}{K}^{-}$ decay is reported, together with the most precise branching fraction measurement of the mode $B^0 \to \overline{D}^0…