logo cctval 2018 logo utfsm 2018

header area inv 1

area1 480

area1 320

Theoretical Particle Physics

Publications

Lepton masses and mixings in an A4 multi-Higgs model with a radiative seesaw mechanism

Publicaciones

Lepton masses and mixings in an A4 multi-Higgs model with a radiative seesaw mechanism

Research areas:

Física Teórica de Partículas

Year:

2013

Type of Publication:

In Proceeding

Authors:

Journal:

Phys.Rev.

Volume:

D88

Pages:

13

Abstract:

We propose a renormalizable multi-Higgs model with A4⊗Z2⊗Z2′ symmetry accounting for the experimental deviation from the tribimaximal mixing pattern of the neutrino mixing matrix. In this framework we study the charged lepton and neutrino masses and mixings. The light neutrino masses are generated via a radiative seesaw mechanism, which involves a single heavy Majorana neutrino and neutral scalars running in the loops. The obtained neutrino mixings and mass squared splittings are in good agreement with the neutrino oscillation experimental data for both normal and inverted hierarchy. The model predicts an effective Majorana neutrino mass mββ=4 and 50 meV for the normal and the inverted neutrino spectrum, respectively. The model also features a suppression of CP violation in neutrino oscillations, a low scale for the heavy Majorana neutrino (few TeV) and, due to the unbroken Z2 symmetry, a natural dark matter candidate.

[Volver]