Neutrino Mixing and Lepton Flavor Violation in SUSY-GUT Models

Details Neutrino Mixing and Lepton Flavor Violation in SUSY-GUT Models Neutrino Mixing and Lepton Flavor Violation in SUSY-GUT Models

2003-10-21

arxiv.org/abs/hep-ph/0310257v1

Acta Phys.Polon. B34 (2003) 5413-5422

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 3 figures. Contribution to the XXVII International Conference of Theoretical Physics, Ustron, Poland, September 15-2

Scientific paper

In supersymmetric (SUSY) models the misalignment between fermion and sfermion families introduces unsuppressed flavor-changing processes. Even if the mass parameters are chosen to give no flavor violation, family dependent radiative corrections make this adjustment not stable. In particular, due to the observed large neutrino mixings and potentially large neutrino Yukawa couplings, sizable lepton flavor violation (LFV) is expected. After introducing the basic concepts, the framework and the main assumptions, we report on a recent study of rare leptonic decays in a class of SUSY-GUT models with three quasi-degenerate neutrinos. We show that LFV effects are likely visible in forthcoming experiments.

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