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2011

Large theta_13 from a model with broken L_e-L_mu-L_tau symmetry

Meloni, Davide

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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.

Large theta_13 from a model with broken L_e-L_mu-L_tau symmetry · Around

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