Canonical Seesaw Mechanism in Electro-Weak SU(4)L x U(1)Y Models

Abstract

In this paper we prove that the canonical seesaw mechanism can naturally be implemented in a particular class of electro-weak SU(4)L x U(1)Y gauge models. The resulting neutrino mass spectrum is determined by just tuning a unique free parameter 'a' within the algebraical method of solving gauge models with high symmetries. All the Standard Model phenomenology is preserved, being unaffected by the new physics occuring at a high breaking scale m ~ 10^11GeV.

12 pages, 1 Table, no figures

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• Muon Anomalous Magnetic Moment in a $SU(4)\otimes U(1{)}_N$ Model
• Implementing inverse seesaw mechanism in SU(3)xSU(4)xU(1) gauge models
• Neutrino masses in the $SU(4{)}_L\otimes U(1{)}_X$ electroweak extension of the standard model
• $SU(5{)}_L\times U(1{)}_Y$ electroweak unification
• Weak charges in $SU(5{)}_L\times U(1{)}_Y$ gauge models
• Weak charges quantization in $SU(3{)}_c\otimes SU(n{)}_L\otimes U(1{)}_Y$ gauge models
• $(g-2{)}_{e,\mu }$ and decays $e_b\to e_a\gamma$ in a $ \mbox{SU}(4)_L \otimes \mbox{U}(1)_X$ model with inverse seesaw neutrinos