A radiative Type-II seesaw model with broken Symmetry Ansatz

Abstract

Parametrization of the neutrino mass matrix in terms of well-known measured quantities is an attractive way to obtain a phenomenologically viable form. We propose a model of neutrino mass matrix based on type-II seesaw mechanism adhering the concept of badly broken symmetry. Two of the mixing angles are coming out as ${\theta }_{23}\sim 46.08^{\circ }$, ${\theta }_{13}\sim 8.69^{\circ }$. However, to accommodate the other oscillation parameters, we further add an extra doublet and the neutrino masses are generated through the Zee mechanism at the one loop level, and the modified model can admit all the extant data for a suitable choice of model parameters.

arXiv comment17 pages, 2 figures, Modified version accepted for publication in J. Phys. G

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