7 Analysis of Lepton Flavor Violating τ ± → μ ± μ ± μ ∓

N ov 2 00 7 Analysis of Lepton Flavor Violating τ ± → μ ± μ ± μ ∓ Decays

ar X iv : h ep - p h / 00 04 15 3 v 1 1 7 A pr 2 00 0 On Unitarity Based Relations Between Various Lepton Family Violating Processes

Simple “unitarity inspired” relations between twoand three-body lepton flavor violating decays are noted and discussed. In the absence of cancellations, the existing strong bounds on μ→ 3e and μ→ eγγ severly constrain two-body lepton flavor violating decays. Lepton flavor violating (LFV) processes are strongly suppressed in the standard model by powers of (small) neutrino masses. Such decays si...

Can lepton flavor violating interactions explain the LSND results ?

If the atmospheric and the solar neutrino problem are both explained by neutrino oscillations, and if there are only three light neutrinos, then all masssquared differences between the neutrinos are known. In such a case, existing terrestrial neutrino oscillation experiments cannot be significantly affected by neutrino oscillations, but, in principle there could be an anomaly in the neutrino fl...

Neutrino-induced lepton flavor violation in gauge-mediated supersymmetry breaking

Gauge-mediated supersymmetry breaking is known to greatly suppress flavor changing neutral current effects. However, we show that gauge mediation in the context of leptogenesis implies potentially large lepton flavor violating signals. If the heavy righthanded neutrinos that participate in leptogenesis are lighter than the messenger scale of gauge mediation, they will induce flavor off-diagonal...

Neutral top-pion and lepton flavor violating processes

In the context of topcolor-assisted techicolor(TC2) models, we study the contributions of the neutral top-pion π t to the lepton flavor violating(LFV) processes li → ljγ and li → lj lkll. We find that the present experimental bound on μ → eγ gives severe constraints on the free parameters of TC2 models. Taking into account these constraints, we consider the processes li → lj lkll generated by t...