paper

Neutrino Masses and Leptogenesis with Heavy Higgs Triplets

arXiv:hep-ph/9802445 · doi:10.1103/PhysRevLett.80.5716

Abstract

A simple and economical extension of the minimal standard electroweak gauge model (without right-handed neutrinos) by the addition of two heavy Higgs scalar triplets would have two significant advantages. \underline {Naturally} small Majorana neutrino masses would become possible, as well as leptogenesis in the early universe which gets converted at the electroweak phase transition into the present observed baryon asymmetry.

12 pages including one figure

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