Differential measurement of the branching fraction and $CP$ asymmetry of the decay $B^{\pm }\to {\pi }^{\pm }{\mu }^{+}{\mu }^{-}$

LHCb collaboration, R. Aaij, M. Abdelfatah +1121

Differential measurements of the branching fraction and $CP$ asymmetry of the decay $B^{\pm }\to {\pi }^{\pm }{\mu }^{+}{\mu }^{-}$ are performed in intervals of the dimuon mass squared, $q^2$, using pro…