Lepton mass matrix from double covering of $A_4$ modular flavor symmetry

Abstract

We study a double covering of modular $A_4$ flavor symmetry in which we construct lepton models in cases of canonical seesaw and radiative seesaw models. Through $\chi$ square numerical analysis, we show some predictions for the cases, depending on normal and inverted hierarchies.

arXiv comment18 pages, 3 figures

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• Neutrino phenomenology, W mass anomaly & muon $(g-2)$ in minimal type-III seesaw using $T^{\prime }$ modular symmetry