Lepton flavor violating decays Z→μτ and J/Ψ,Υ→μτ are considered. It is shown that these decays can reach sizeable magnitudes if some specific lepton-flavor violating 4-fermion operators are generated by low scale quantum gravity effects, or by some other new physics at a TeV scale.
@article{arxiv.hep-ph/9907328,
title = {Lepton-flavor violating decays as probes of quantum gravity?},
author = {Z. K. Silagadze},
journal= {arXiv preprint arXiv:hep-ph/9907328},
year = {2016}
}