Tests of lepton universality using $B^0\to K_S^0{\ell }^{+}{\ell }^{-}$ and $B^{+}\to K^{\ast +}{\ell }^{+}{\ell }^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +997

Tests of lepton universality in $B^0\to K_S^0{\ell }^{+}{\ell }^{-}$ and $B^{+}\to K^{\ast +}{\ell }^{+}{\ell }^{-}$ decays where $\ell$ is either an electron or a muon are presented. The differential b…