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Radiatively generated hierarchy of lepton and quark masses
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Radiatively generated hierarchy of lepton and quark masses
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We propose a model for radiatively generating the hierarchy of the Standard Model (SM) fermion masses: tree-level top quark mass; 1-loop bottom, charm, tau and muon masses; 2-loop masses for the light up, down and strange quarks as well as for the electron; and 4-loop masses for the light active neutrinos. Our model is based on a softly-broken $S_{3}\times Z_{2}$ discrete symmetry. Its scalar sector consists only of one SM Higgs doublet and three electrically neutral SM-singlet scalars. We do not need to invoke either electrically charged scalar fields, or an extra $SU_{2L}$ scalar doublet, or the spontaneous breaking of the discrete group, which are typical for other radiative models in the literature. The model features a viable scalar dark matter candidate.
Forward citations
Cited by 2 Pith papers
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Classification of minimal models producing b, c and tau masses at one-loop level
A systematic catalogue of 25 minimal radiative mass models for b, c, and τ, including eight 'hybrid' models whose Yukawa couplings can lie above, below, or exactly at the Standard Model prediction.
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Higgs Yukawa coupling constraints on a benchmark one-loop radiative mass model for the bottom, charm and tau
A radiative one-loop mass model for b, c, τ, and ντ remains consistent with current Higgs and EW data, and future Yukawa-precision measurements are projected to tighten, but not close, its viable parameter space.
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