Search for the lepton-flavour violating decays $B^+ \to π^+ μ^\pm e^\mp$
LHCb collaboration, R. Aaij, M. Abdelfatah, A. S. W. Abdelmotteleb et autres
The first search for the lepton-flavour violating decays $B^+ \to π^+ μ^{\pm} e^{\mp}$ in proton-proton collisions is presented, using data collected by the LHCb experiment between 2011 and 2018, corresponding to an integrated luminosity of 9 fb$^{-1}$. No significant signal is observed …