Abstract
We construct a class of renormalizable models for lepton mixing that generate predictions given in terms of the charged-lepton mass ratios. We show that one of those models leads, when one takes into account the known experimental values, to almost maximal CP -breaking phases and to almost maximal neutrinoless double-beta decay. We study in detail the scalar potential of the models, especially the bounds imposed by unitarity on the values of the quartic couplings.
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Jurčiukonis, D., Lavoura, L. Lepton mixing and the charged-lepton mass ratios. J. High Energ. Phys. 2018, 152 (2018). https://doi.org/10.1007/JHEP03(2018)152
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DOI: https://doi.org/10.1007/JHEP03(2018)152