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Seesaw Approximation and Neutrino Mass Matrix

A. Hernández-Galeana, J. M. Rivera-Rebolledo, R. Gaitán-Lozano


When one deals with the diagonalization procedure for the neutrino mass matrix, the seesaw mechanism is quite useful on getting the light neutrino masses. Here we give details of the method in the limit when one of the exotic neutrinos is enough heavy and give some results within the context of the left-right mirror model.

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