An alternative SU(4) x SU(2)L x SU(2)R model
Abstract
A simple alternative to the usual Pati-Salam model is proposed. The model allows quarks and leptons to be unified with gauge group SU(4) SU(2)L SU(2)R at a remarkably low scale of about 1 TeV. Neutrino masses in the model arise radiatively and are naturally light.
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