Neutrino Mass Matrices with a Texture Zero and a Vanishing Minor

Details Neutrino Mass Matrices with a Texture Zero and a Vanishing Minor Neutrino Mass Matrices with a Texture Zero and a Vanishing Minor

2010-03-04

arxiv.org/abs/1003.1006v1

Phys.Rev.D81:053010,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

To appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.81.053010

We study the implications of the simultaneous existence of a texture zero and a vanishing minor in the neutrino mass matrix. There are thirty six possible texture structures of this type, twenty one of which reduce to two texture zero cases which have, already, been extensively studied. Of the remaining fifteen textures only six are allowed by the current data. We examine the phenomenological implications of the allowed texture structures for Majorana type CP-violating phases, 1-3 mixing angle and Dirac type CP-violating phase. All these possible textures can be generated through the seesaw mechanism and realized in the framework of discrete abelian flavor symmetry. We present the symmetry realization of these texture structures.

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