Parallel hybrid textures of lepton mass matrices

Details Parallel hybrid textures of lepton mass matrices Parallel hybrid textures of lepton mass matrices

2010-09-28

arxiv.org/abs/1009.5501v1

Phys.Rev.D82:073015,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

Physical Review D (To appear)

Scientific paper

10.1103/PhysRevD.82.073015

We analyse the parallel hybrid texture structures in the charged lepton and the neutrino sector. These parallel hybrid texture structures have physical implications as they cannot be obtained from arbitrary lepton mass matrices through weak basis transformations. The total sixty parallel hybrid texture structures can be grouped into twelve classes, and all the hybrid textures in the same class have identical physical implications. We examine all the twelve classes under the assumption of non-factorizable phases in the neutrino mass matrix. Five out of the total twelve classes are found to be phenomenologically disallowed. We study the phenomenological implications of the allowed classes for 1-3 mixing angle, Majorana and Dirac-type $CP$ violating phases. Interesting constraints on effective Majorana mass are obtained for all the allowed classes.

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