Decoupling, lepton flavour violation and leptogenesis

Details Decoupling, lepton flavour violation and leptogenesis Decoupling, lepton flavour violation and leptogenesis

2005-05-10

arxiv.org/abs/hep-ph/0505078v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 2 figures, talk given at the XXXXth Recontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile,

Scientific paper

Several classes of neutrino mass models, which can naturally account for hierarchical masses and the bi-large pattern of neutrino mixing, are constructed from a bottom-up perspective based on the idea of decoupling of one right-chiral neutrino from the seesaw mechanism. The interplay between the predictions for the lepton-flavour violation in the MSSM with universal soft masses and for leptogenesis is studied. In particular, classes of neutrino mass models in which successful leptogenesis implies BR(mu->e gamma) potentially observable in upcoming experiments are identified.

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