Search for the Lepton Flavour Violating decays ${\rm Y}(2S)\to e^{\pm }{\mu }^{\mp }$ and ${\rm Y}(3S)\to e^{\pm }{\mu }^{\mp }$

H. Ahmed, N. Tasneem, J. M. Roney

Charged lepton flavour violating processes are unobservable in the standard model, but they are predicted to be enhanced in several new physics extensions. We present the results o…