Regular Article - Theoretical Physics
Non-zero and leptonic CP phase with symmetry
School of Physics, University of Hyderabad, Hyderabad, 500 046, India
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Accepted: 19 February 2017
Published online: 2 March 2017
We consider a model based on symmetry to explain the phenomenon of neutrino mixing. The spontaneous symmetry breaking of symmetry leads to a co-bimaximal mixing matrix at leading order. We consider the effect of higher order corrections in neutrino sector and find that the mixing angles thus obtained, come well within the ranges of their experimental values. We study the implications of this formalism on the other phenomenological observables, such as CP violating phase, Jarlskog invariant and the effective Majorana mass . We also obtain the branching ratio of the lepton flavour violating decay in the context of this model and find that it can be less than its present experimental upper bound.
© The Author(s), 2017