Lepton Flavour Violation in SUSY-seesaw: an update

Details Lepton Flavour Violation in SUSY-seesaw: an update Lepton Flavour Violation in SUSY-seesaw: an update

2007-10-22

arxiv.org/abs/0710.4091v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

To appear in the proceedings of 15th International Conference on Supersymmetry and the Unification of Fundamental Interactions

Scientific paper

Here we update the predictions for lepton flavour violating tau and muon decays, $l_j \to l_i \gamma$, $l_j \to 3 l_i$, and $\mu-e$ conversion in nuclei. We work within a SUSY-seesaw context where the particle content of the Minimal Supersymmetric Standard Model is extended by three right handed neutrinos plus their corresponding SUSY partners, and where a seesaw mechanism for neutrino mass generation is implemented. Two different scenarios with either universal or non-universal soft supersymmetry breaking Higgs masses at the gauge coupling unification scale are considered. After comparing the predictions with present experimental bounds and future sensitivities, the most promising processes are particularly emphasised.

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