Phys. Rev. Lett. 80, 5716–5719 (1998)Neutrino Masses and Leptogenesis with Heavy Higgs TripletsReceived 27 February 1998; published in the issue dated 29 June 1998 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. 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. © 1998 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.80.5716
DOI:
10.1103/PhysRevLett.80.5716
PACS:
12.60.Fr, 14.60.Pq, 98.80.Cq
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