Observation of the decay $B_c\to J/\psi K^{+}{K}^{-}{\pi }^{+}$

LHCb collaboration, R. Aaij, B. Adeva +656

The decay $B_c\to J/\psi K^{+}{K}^{-}{\pi }^{+}$ is observed for the first time, using proton-proton collisions collected with the LHCb detector corresponding to an integrated luminosity…