Journal of High Energy Physics

, 2014:33 | Cite as

Classification of lepton mixing matrices from finite residual symmetries

Open Access
Article

Abstract

Assuming that neutrinos are Majorana particles, we perform a complete classification of all possible mixing matrices which are fully determined by residual symmetries in the charged-lepton and neutrino mass matrices. The classification is based on the assumption that the residual symmetries originate from a finite flavour symmetry group. The mathematical tools which allow us to accomplish this classification are theorems on sums of roots of unity. We find 17 sporadic cases plus one infinite series of mixing matrices associated with three-flavour mixing, all of which have already been discussed in the literature. Only the infinite series contains mixing matrices which are compatible with the data at the 3 sigma level.

Keywords

Global Symmetries Beyond Standard Model Neutrino Physics 

Notes

Open Access

This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.

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Copyright information

© The Author(s) 2014

Authors and Affiliations

  1. 1.AHEP Group, Instituto de Física CorpuscularC.S.I.C./Universitat de València, Edificio de Institutos de PaternaValènciaSpain
  2. 2.Faculty of PhysicsUniversity of ViennaViennaAustria

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