Turkish Journal of Physics, vol.22, no.9, pp.923-928, 1998 (SCI-Expanded)
In the view of future c - τ-factories, we report an analysis of the rare decays of the τ lepton via τ → μeē, τ → eμμ̄, τ → μμμ̄ and τ → eeē in the two models, i.e., in Barut's magnetic interaction model (MIM) and in an E6 model proposed by Gürsey and his collaborators. The energy distributions of one of the final leptons are given for both models. Numerical estimates reveal that these decays can be as large as 10-6, which may be observed in LEP experiments or at other c - τ factories.