First observation of the decay $B^0\to D^0\overline{D}{}^0{K}^{+}{\pi }^{-}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +965

The first observation of the decay $B^0\to D^0\overline{D}{}^0{K}^{+}{\pi }^{-}$ is reported using proton-proton collision data corresponding to an integrated luminosity of 4.7 $\…