Seesaw scale discrete dark matter and two-zero texture Majorana neutrino mass matrices

被引：13

作者：

Lamprea, J. M. ^{[1
]}

Peinado, E. ^{[1
]}

机构：

[1] Univ Nacl Autonoma Mexico, Inst Fis, AP 20-364, Ciudad De Mexico 01000, Mexico

来源：

PHYSICAL REVIEW D | 2016年 / 94卷 / 05期

关键词：

VIOLATION; ZEROS; SYMMETRY; MIXINGS; LIGHT; T2K;

D O I：

10.1103/PhysRevD.94.055007

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this paper we present a scenario where the stability of dark matter and the phenomenology of neutrinos are related by the spontaneous breaking of a non-Abelian flavor symmetry (A(4)). In this scenario the breaking is done at the seesaw scale, in such a way that what remains of the flavor symmetry is a Z(2) symmetry, which stabilizes the dark matter. We have proposed two models based on this idea, for which we have calculated their neutrino mass matrices achieving two-zero texture in both cases. Accordingly, we have updated this two-zero texture phenomenology finding an interesting correlation between the reactor mixing angle and the sum of the light neutrino masses. We also have a correlation between the lightest neutrino mass and the neutrinoless double beta decay effective mass, obtaining a lower bound for the effective mass within the region of the nearly future experimental sensitivities.

引用

页数：8

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