Large theta_13 from a model with broken L_e-L_mu-L_tau symmetry
High Energy Physics - Phenomenology
2015-05-30 v2
Abstract
Recent data in the neutrino sector point towards a relatively large value of the reactor angle, incompatible with a vanishing theta_ 13 at about 3 sigma. In order to explain such a result, we propose a SUSY model based on the broken L_e-L_mu-L_tau symmetry, where large deviations from the symmetric limit theta_12 = pi/4, tan(theta_23) \sim O(1) and theta_13 = 0 mainly come from the charged lepton sector. We show that a description of all neutrino data is possible if the charged lepton mass matrix has a special pattern of complex matrix elements.
Keywords
Cite
@article{arxiv.1110.5210,
title = {Large theta_13 from a model with broken L_e-L_mu-L_tau symmetry},
author = {Davide Meloni},
journal= {arXiv preprint arXiv:1110.5210},
year = {2015}
}
Comments
9 pages, 2 figures. v2: comments and references added, as published in JHEP