On the CP Violation Phase in a Neutrino Mixing Model with an A4 Flavor Symmetry
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DOI:
https://doi.org/10.15625/0868-3166/26/1/7860Keywords:
neutrino mass and mixing, flavor symmetries, models beyond the standard modelAbstract
Neutrino masses and mixing in an extended standard model acquiring an A4 flavour symmetry are considered. The corresponding three-neutrino mixing matrix obtained via a pertur- bative method allows us to determine the Dirac CP violation phase (\delta_{CP}) as a function of the mixing angles (\theta_{12}, \theta_{23}, \theta_{13}). Then, numerical values and distributions of \delta_{CP} are given. The latter values are quite close to the global fits of the experimental data for both the normal ordering and inverse ordering of the neutrino masses.
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