Search for the lepton-flavour violating decays $B^0\to K^{\ast 0}{\mu }^{\pm }{e}^{\mp }$ and $B_s^0\to \varphi {\mu }^{\pm }{e}^{\mp }$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1003

A search for the lepton-flavour violating decays $B^0\to K^{\ast 0}{\mu }^{\pm }{e}^{\mp }$ and $B_s^0\to \varphi {\mu }^{\pm }{e}^{\mp }$ is presented, using proton-proton collision data collected by the LHCb de…