Heavy Triplet Leptons and New Gauge Boson

Abstract

A heavy triplet of leptons (Σ,Σ,Σ)R per family is proposed as the possible anchor of a small seesaw neutrino mass. A new U(1) gauge symmetry is then also possible, and the associated gauge boson X may be discovered at or below the TeV scale. We discuss the phenomenology of this proposal, with and without possible constraints from the NuTeV and atomic parity… (More)

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