Neutrino Masses and Leptogenesis with Heavy Higgs Triplets

Details Neutrino Masses and Leptogenesis with Heavy Higgs Triplets Neutrino Masses and Leptogenesis with Heavy Higgs Triplets

1998-02-27

arxiv.org/abs/hep-ph/9802445v2

Phys.Rev.Lett. 80 (1998) 5716-5719

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages including one figure

Scientific paper

10.1103/PhysRevLett.80.5716

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.

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