Mu-taure reflection symmetry with a texture-zero

被引：30

作者：

Nishi, C. C. ^{[1
]}

Sanchez-Vega, B. L. ^{[2
]}

机构：

[1] Univ Fed ABC UFABC, Ctr Matemat Computacao & Cognicao, Av dos Estados,5001, BR-09210850 Santo Andre, SP, Brazil

[2] Univ Fed Paulista, Inst Fis Teorica, R Dr Bento Teobaldo Ferraz 271, BR-01140070 Barra Funda, SP, Brazil

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2017年 / 01期

基金：

巴西圣保罗研究基金会;

关键词：

CP violation; Neutrino Physics; Beyond Standard Model; NEUTRINO MASS MATRIX; CP VIOLATION; LEPTON;

D O I：

10.1007/JHEP01(2017)068

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The mu tau-reflection symmetry is a simple symmetry capable of predicting all the unknown CP phases of the lepton sector and the atmospheric angle but too simple to predict the absolute neutrino mass scale or the mass ordering. We show that by combining it with a discrete abelian symmetry in a nontrivial way we can additionally enforce a texture-zero and obtain a highly predictive scenario where the lightest neutrino mass is fi xed to be in the few meV range for two normal ordering (NO) solutions or in the tens of meV in one inverted ordering (IO) solution. The rate for neutrinoless double beta decay is predicted to be negligible for NO or have e ff ective mass m(beta beta) approximate to 14{29meV for IO, right in the region to be probed in future experiments.

引用

页数：13

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