Branching fraction measurement of the decay $B^{+}\to \ddot{I}ˆ(2S)\ddot{I}•(1020)K^{+}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1133

The branching fraction of the decay $B^{+}\to \ddot{I}ˆ(2S)\ddot{I}•(1020)K^{+}$, relative to the topologically similar decay $B^{+}\to J/\ddot{I}ˆ\ddot{I}•(1020)K^{+}$, is measured using proton-proton collision dat…