Observation of the rare baryonic decay $B^{+}\to p\bar{\Lambda }$ and measurement of its weak decay parameter

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1182

The first observation of the decay $B^{+}\to p\bar{\Lambda }$ is presented, using proton-proton collision data collected by the LHCb experiment between 2016 and 2018 at a cent…