Neutrino mass sum rules and symmetries of the mass matrix

European Physical Journal C: Particles and Fields

Julia Gehrlein¹  Martin Spinrath¹ 

[1] Institut für Theoretische Teilchenphysik, Karlsruhe Institute of Technology;

关键词: Mass Matrix;    Neutrino Mass;    Neutrino Mass Matrix;    Family Symmetry;    Majorana Phase;   

DOI  :  10.1140/epjc/s10052-017-4817-6

来源: DOAJ

【 摘 要 】

Abstract 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.

【 授权许可】

Unknown