Comment on Radiative Neutrino Mass Matrix with a Sterile Neutrino
Yutaka Okamoto, Masaki Yasue
Abstract
A mechanism of radiatively generating neutrino masses is implemented in an SU(2)L x U(1)Y x SU(2)'L x U(1)'Y model, where the first and second families respect SU(2)L x U(1)Y while SU(2)'L x U(1)'Y is specific for the third family. The fourth neutrino, nus, that has a U(1)Y x U(1)'Y coupling joins in the model to induce neutrino mixings by additional interactions with e and mu. The phenomenologically consistent oscillation of nus - nue requires a dominated coupling of nus to e.
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