TeV-scale seesaw from a multi-Higgs model - High Energy Physics - PhenomenologyReport as inadecuate




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Abstract: We suggest new simple model of generating tiny neutrino masses through aTeV-scale seesaw mechanism without requiring tiny Yukawa couplings. This modelis a simple extension of the standard model by introducing extra one Higgssinglet, and one Higgs doublet with a tiny vacuum expectation value.Experimental constraints, electroweak precision data and no large flavorchanging neutral currents, are satisfied since the extra doublet only has aYukawa interaction with lepton doublets and right-handed neutrinos, and theirmasses are heavy of order a TeV-scale. Since active light neutrinos areMajorana particles, this model predicts a neutrinoless double beta decay.



Author: Naoyuki Haba, Masaki Hirotsu

Source: https://arxiv.org/



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