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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/32470

Title: Neutrino mixing and lepton flavour violation in SUSY-gut models
Authors: Illana, José I.
Masip Mellado, Manuel
Issue Date: 2003
Abstract: In supersymmetric (SUSY) models the misalignment between fermion and sfermion families introduces unsuppressed flavour-changing processes. Even if the mass parameters are chosen to give no flavour violation, family dependent radiative corrections make this adjustment not stable. In par- ticular, due to the observed large neutrino mixings and potentially large neutrino Yukawa couplings, sizable lepton flavour violation (LFV) is ex- pected. 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.
Sponsorship: This work has been supported by the Spanish CICYT, the Junta de Andalucía and the European Union under contracts FPA2000-1558, FQM 101, and HPRN-CT-2000-00149, respectively.
Publisher: Jagiellonian University
Description: Presented at the XXVII International Conference of Theoretical Physics, "Matter to the Deepest", Ustron, Poland, september 15-21, 2003.
Keywords: Decay
Mass
URI: http://hdl.handle.net/10481/32470
ISSN: 0587-4254
Rights : Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License
Citation: Illana, J.I.; Masip, M. Neutrino mixing and lepton flavour violation in SUSY-gut models. Acta Physica Polonica B, 34(11): 5413-5422 (2003). [http://hdl.handle.net/10481/32470]
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