Degenerate Dirac Neutrinos In An ${SU(2)}_L\times {U(1)}_Y$ Model With $S_3\times Z_3\times Z_4$ Discrete Symmetry

Abstract

We demonstrate that almost degenerate Dirac neutrinos of mass of few eV and transition magnetic moment of the order of ${10}^{-11}$ $μ_B$ can be obtained in an ${SU(2)}_L\times {U(1)}_Y$ model with $S_3\times Z_3\times Z_4$ discrete symmetry and appropriate Higgs fields. Transition magnetic moment of the Dirac neutrino arises from to the contribution of leptons and charged Higgs fields at the one loop level.

17 LATEX pages