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- Title
Lepton flavor violation in lopsided models and a neutrino mass model.
- Authors
Bi, X.-J.
- Abstract
A widely adopted theoretical scheme to account for the neutrino oscillation phenomena is the see-saw mechanism together with the "lopsided" mass matrices, which is generally realized in the framework of supersymmetric grand unification. We will show that this scheme leads to large lepton flavor violation at low energy if supersymmetry is broken at the GUT or Planck scale. Especially, the branching ratio of μ → eγ already exceeds the present experimental limit. We then propose a phenomenological model which can account for the LMA solution to the solar neutrino problem and at the same time predict a branching ratio of μ → eγ below the present limit.
- Subjects
LEPTONS (Nuclear physics); NEUTRINOS; OSCILLATIONS; MATRICES (Mathematics); FORCE &; energy; MASS (Physics); MATHEMATICAL models
- Publication
European Physical Journal C -- Particles & Fields, 2003, Vol 27, Issue 3, p399
- ISSN
1434-6044
- Publication type
Article
- DOI
10.1140/epjc/s2002-01123-1