Renormalization of the Neutrino Mass Operator

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dc.creatorBabu, K. S.
dc.creatorLeung, C. N.
dc.creatorPantaleone, J.
dc.date1993-09-03
dc.date.accessioned2026-07-07T12:03:08Z
dc.date.available2026-07-07T12:03:08Z
dc.descriptionA small neutrino Majorana mass can arise in the Standard Model as an effective dimension 5 operator. We calculate the renormalization of this operator in the minimal Standard Model and in its two-Higgs-doublet and supersymmetric extensions. Renormalization from the scale of lepton number violation (e.g., the Planck scale or a GUT scale) to the weak scale decreases the strength of this operator by an order of magnitude or more if the top quark and Higgs boson masses are large. Neutrino mixing angles also run with momentum. We show instances where small mixing at a high scale becomes large at the weak scale, and vice versa.
dc.description17 pages, LATEX. Preprint IUHET-252, UDHEP-93-03, BA-93-44
dc.identifierhttps://arxiv.org/abs/hep-ph/9309223
dc.identifierhttp://arxiv.org/abs/hep-ph/9309223
dc.identifierPhys.Lett.B319:191-198,1993
dc.identifierdoi:10.1016/0370-2693(93)90801-N
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/207679
dc.subjectHigh Energy Physics - Phenomenology
dc.titleRenormalization of the Neutrino Mass Operator
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