Fermion Mass and Mixing in a Low-Scale Seesaw Model based on the S4 Flavor Symmetry

Abstract

We construct a low-scale seesaw model to generate the masses of active neutrinos based on $S_4$ flavor symmetry supplemented by the $Z_2\times Z_3\times Z_4\times Z_{14}\times U(1{)}_L$ group, capable of reproducing the low energy Standard model (SM) fermion flavor data. The masses of the SM fermions and the fermionic mixings parameters are generated from a Froggatt-Nielsen mechanism after the spontaneous breaking of the $S_4\times Z_2\times Z_3\times Z_4\times Z_{14}\times U(1{)}_L$ group. The obtained values for the physical observables of the quark and lepton sectors are in good agreement with the most recent experimental data. The leptonic Dirac CP violating phase $\de _{CP}$ is predicted to be $259.579^{\circ }$ and the predictions for the absolute neutrino masses in the model can also saturate the recent constraints.

arXiv comment21 pages, 9 figures, accepted version by PTEP

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• Prospects for New Physics from gauge Left-Right-Colour-Family Grand Unification hypothesis
• $A_4$-based model with linear seesaw scheme for lepton mass and mixing
• Multiscalar $B-L$ extension based on $S_4$ flavor symmetry for neutrino mass and mixing
• A minimal inverse seesaw model with $S_4$ flavour symmetry
• Non-zero ${\theta }_{13}$, CP-violation and Neutrinoless Double Beta Decay for Neutrino Mixing in the $A_4\times Z_2\times Z_3$ Flavor Symmetry Model
• Testing the Froggatt-Nielsen Mechanism with Lepton Flavor and Number Violating Processes