Radiative charged-lepton mass generation in multi-Higgs doublet models

We show that charged-lepton masses can be radiatively induced in multi-Higgs doublet models (NHDMs) through the renormalization group running of Yukawa couplings from high to low energies. Some extreme examples of electron and muon mass generation are discussed in the context of two- and three-Higgs...

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Bibliographic Details
Published in:Physical review. D, Particles, fields, gravitation, and cosmology Particles, fields, gravitation, and cosmology, 2014-08, Vol.90 (3), Article 033011
Main Authors: Joaquim, F. R., Penedo, J. T.
Format: Article
Language:English
Subjects:
Cosmology
Couplings
Gravitation
Low energy
Muons
Neutrinos
Running
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Summary:We show that charged-lepton masses can be radiatively induced in multi-Higgs doublet models (NHDMs) through the renormalization group running of Yukawa couplings from high to low energies. Some extreme examples of electron and muon mass generation are discussed in the context of two- and three-Higgs-doublet models. It is also shown that quantum corrections to the Yukawa couplings can be naturally of the same order as the tree-level values. We also comment on the implications of considering extensions of NHDMs in which right-handed neutrinos are added.
ISSN:1550-7998
1550-2368
DOI:10.1103/PhysRevD.90.033011