New "Square Root" Model of Lepton Family Cyclic Symmetry
Ernest Ma, G. Rajasekaran
Abstract
Following the newly formulated notion of form invariance of the neutrino mass matrix, a complete model of leptons is constructed. It is based on a specific unitary 3 X 3 matrix U in family space, such that U2 is the simple discrete symmetry nue to -nue, numu to nutau. Thus U also generates the cyclic group Z4. The charged-lepton mass matrix is nearly diagonal while the neutrino mass matrix is of the form suitable for explaining maximal (large) mixing in atmospheric (solar) neutrino oscillations in the context of three nearly degenerate neutrino masses. Observable lepton flavor violation is predicted. Quarks may be treated in the same way as the charged leptons.
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