Article
Zero Textures of the Neutrino Mass Matrix from Cyclic Family Symmetry
Department of Physics, Himachal Pradesh University, Shimla 171005, India
Physics Letters B
(Impact Factor: 6.02).
06/2011;
701(5).
DOI: 10.1016/j.physletb.2011.06.046
Source: arXiv

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ABSTRACT: The implications of a large value of the effective Majorana neutrino mass for a class of two texture zero neutrino mass matrices have been studied in the flavor basis. It is found that these textures predict near maximal atmospheric neutrino mixing angle in the limit of large effective Majorana neutrino mass. It is noted that this prediction is independent of the values of solar and reactor neutrino mixing angles. We present the symmetry realization of these textures using the discrete cyclic group $Z_3$. It is found that the texture zeros realised in this work remain stable under renormalization group running of the neutrino mass matrix from the seesaw scale to the electroweak scale, at one loop level.Physical Review D 05/2014; 90(1). DOI:10.1103/PhysRevD.90.013021 · 4.86 Impact Factor 
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ABSTRACT: In an attempt at explaining the observed neutrino masssquared differences and leptonic mixing, lepton mass matrices with zero textures have been widely studied. In the weak basis where the charged lepton mass matrix is diagonal, various neutrino mass matrices with two zeros have been shown to be consistent with the current experimental data. Using the canonical and Smith normal form methods, we construct the minimal Abelian symmetry realizations of these phenomenological twozero neutrino textures. The implementation of these symmetries in the context of the seesaw mechanism for Majorana neutrino masses is also discussed.Nuclear Physics B 05/2014; 886. DOI:10.1016/j.nuclphysb.2014.06.015 · 3.95 Impact Factor 
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ABSTRACT: A class of neutrino mass matrices with texture zeros realizable using the group Z3 within the framework of type (I+II) seesaw mechanism naturally admits a nonzero theta13, and allows for deviations from maximal mixing. The phenomenology of this model is reexamined in the light of recent hints for nonzero theta13.Physical review D: Particles and fields 10/2011; 84. DOI:10.1103/PhysRevD.84.077301 · 4.86 Impact Factor
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