Search for Dileptons in Z decay
arXiv:hep-ph/9210271 · doi:10.1016/0370-2693(93)91010-K
Abstract
The lepton family number violation $Z$ boson decay, $Z \to e^-e^-μ^+μ^+$ or $e^+e^+μ^-μ^-$, mediated by a dilepton, e.g. from an SU(15) theory, is calculated. The branching ratio of such exotic decay for allowed dilepton masses is found to be smaller than 10$^{-10}$.
4 pages(2 figuires are not included), TRI-PP-92-96