Large theta(13) and S-3 Perturbation with Neutrino Mass Matrix

Upender, Ch and Behera, B and Giri, Anjan Kumar (2016) Large theta(13) and S-3 Perturbation with Neutrino Mass Matrix. In: XXI DAE-BRNS High Energy Physics Symposium. Springer Proceedings in Physics, 174 . Springer International Publishing, Switzerland, pp. 261-266. ISBN 978-3-319-25617-7

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Abstract

In various recent neutrino experiments the mixing angle theta(13) has been measured. Interestingly, the mixing angle is found to be large and non-zero which has opened up the possibility of measurement of CP violation. The Tri-Bimaximal neutrino mass matrix, which has been very successful in describing the observed neutrino data so far gives theta(13) to be zero. In this work we have used the democratic neutrino mass matrix and S-3 perturbation to obtain the large theta(13) value. We furthermore show the allowed parameter space of the flavor symmetry breaking parameters.

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