First evidence of the decay $B^{+}\to \ddot{I}{€}^{+}{e}^{+}{e}^{-}$

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

The first evidence for the decay $B^{+}\to \ddot{I}{€}^{+}{e}^{+}{e}^{-}$ is reported using proton-proton collision data recorded by the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV,…