Branching fraction measurement of the decay $B^{+}\to \psi (2S)\varphi (1020)K^{+}$

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

The branching fraction of the decay $B^{+}\to \psi (2S)\varphi (1020)K^{+}$, relative to the topologically similar decay $B^{+}\to J/\psi \varphi (1020)K^{+}$, is measured using proton-proton collision data co…