Neutrino mass sum rules and symmetries of the mass matrix

被引：7

作者：

Gehrlein, Julia ^{[1
,2
,3
]}

Spinrath, Martin ^{[1
,4
]}

机构：

[1] Karlsruhe Inst Technol, Inst Theoret Teilchenphys, Engesserstr 7, D-76131 Karlsruhe, Germany

[2] Univ Autonoma Madrid, Dept Fis Teor, E-28049 Madrid, Spain

[3] Inst Fis Teor UAM CSIC, Calle Nicolas Cabrera 13-15, Madrid 28049, Spain

[4] Natl Ctr Theoret Sci, Div Phys, Hsinchu 30013, Taiwan

来源：

EUROPEAN PHYSICAL JOURNAL C | 2017年 / 77卷 / 05期

基金：

欧盟地平线“2020”;

关键词：

FLAVOR SYMMETRY; A(4); MODELS; S-4;

D O I：

10.1140/epjc/s10052-017-4817-6

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：

Neutrino mass sum rules have recently gained again more attention as a powerful tool to discriminate and test various flavour models in the near future. A related question which has not yet been discussed fully satisfactorily was the origin of these sum rules and if they are related to any residual or accidental symmetry. We will address this open issue here systematically and find previous statements confirmed. Namely, the sum rules are not related to any enhanced symmetry of the Lagrangian after family symmetry breaking but they are simply the result of a reduction of free parameters due to skillful model building.

引用

页数：6

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