Constrained Neutrino Mass Matrix and Majorana Phases

Abstract

We endeavor to constrain the neutrino mass matrix on the phenomenological ground and procure model-independent textures by emphasizing on the simple linear relationships among the mass matrix elements. These simple textures predict the two Majorana phases. In this regard, two types of parametrization of neutrino mass matrix: general and exponential are employed. We obtain fifty-three predictive neutrino mass matrix textures, out of which twenty-eight are associated with the general parametrization, and the rest belong to the exponential one. Apart from Type-A/P textures, the rest deal with the prediction of a few other oscillation parameters as well. We try to realize the proposed textures in the light of $A_4$, $\Delta (27)$ and $T_7$ symmetry groups.

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Cited by in corpus (2)

• Neutrino Mixing from a Fresh Perspective
• A unique Neutrino Mass Matrix Texture under Exponential Parametrization