Study of beauty hadron decays into pairs of charm hadrons

LHCb collaboration, R. Aaij, A. Abba +694

First observations of the decays ${\Lambda }_b^0\to {\Lambda }_c^{+}{D}_{(s)}^{-}$ are reported using data corresponding to an integrated luminosity of $3{\mathrm{fb}}^{-1}$ collected at 7 and 8 TeV center…