First observation and branching fraction measurement of the ${\Lambda }_b^0\to D_s^{-}p$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1048

The first observation of the ${\Lambda }_b^0\to D_s^{-}p$ decay is presented using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of ${\sqrt{s}=13 \…