The Importance of Being Majorana: Neutrinos versus Charged Fermions in Flavor Models

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dc.creatorNir, Yosef
dc.creatorShadmi, Yael
dc.date2004-04-14
dc.date.accessioned2026-07-07T10:49:04Z
dc.date.available2026-07-07T10:49:04Z
dc.descriptionWe argue that neutrino flavor parameters may exhibit features that are very different from those of quarks and charged leptons. Specifically, within the Froggatt-Nielsen (FN) framework, charged fermion parameters depend on the ratio between two scales, while for neutrinos a third scale--that of lepton number breaking--is involved. Consequently, the selection rules for neutrinos may be different. In particular, if the scale of lepton number breaking is similar to the scale of horizontal symmetry breaking, neutrinos may become flavor-blind even if they carry different horizontal charges. This provides an attractive mechanism for neutrino flavor anarchy.
dc.description4 pages, revtex4
dc.identifierhttps://arxiv.org/abs/hep-ph/0404113
dc.identifierhttp://arxiv.org/abs/hep-ph/0404113
dc.identifierJHEP0411:055,2004
dc.identifierdoi:10.1088/1126-6708/2004/11/055
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/184095
dc.subjectHigh Energy Physics - Phenomenology
dc.titleThe Importance of Being Majorana: Neutrinos versus Charged Fermions in Flavor Models
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