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Lepton flavor violation in lopsided models and a neutrino mass model

  • X.-J. Bi
Theoretical Physics

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 \(\mu\to e\gamma\) 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 \(\mu\to e\gamma\) below the present limit.

Keywords

Neutrino Mass Phenomenological Model Experimental Limit Neutrino Oscillation Mass Matrice 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg / Società Italiana di Fisica 2003

Authors and Affiliations

  • X.-J. Bi
    • 1
  1. 1.Department of Physics, Tsinghua University, Beijing 100084, P.R. China CN

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