Neutrino Phenomenology, Dark Energy and Leptogenesis from pseudo-Nambu-Goldstone Bosons

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dc.creatorHill, C. T.
dc.creatorMocioiu, I.
dc.creatorPaschos, E. A.
dc.creatorSarkar, U.
dc.date2006-11-22
dc.date.accessioned2026-07-07T10:37:26Z
dc.date.available2026-07-07T10:37:26Z
dc.descriptionWe consider a model of dynamical neutrino masses via the see-saw mechanism. Nambu-Goldstone bosons (majorons) arise associated with the formation of the heavy right-handed majorana masses. These bosons then acquire naturally soft masses (become pNGB's) at loop level via the Higgs-Yukawa mass terms. These models, like the original neutrino pNGB quintessence schemes of the 1980's that proceed through the Dirac masses, are natural, have cosmological implications through mass varying neutrinos, long range forces, and provide a soft potential for dark energy. We further argue that these models can explain leptogenesis naturally through the decays of the right-handed neutrinos.
dc.description15 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/hep-ph/0611284
dc.identifierhttp://arxiv.org/abs/hep-ph/0611284
dc.identifierPhys.Lett.B651:188-194,2007
dc.identifierdoi:10.1016/j.physletb.2007.06.006
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/180381
dc.subjectHigh Energy Physics - Phenomenology
dc.titleNeutrino Phenomenology, Dark Energy and Leptogenesis from pseudo-Nambu-Goldstone Bosons
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