A novel washout effect in the flavored leptogenesis

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dc.creatorShindou, Tetsuo
dc.creatorYamashita, Toshifumi
dc.date2007-03-16
dc.date.accessioned2026-07-07T11:02:52Z
dc.date.available2026-07-07T11:02:52Z
dc.descriptionWe investigate a flavored washout effect due to the decay of the lightest right-handed neutrino, assuming that there is non-vanishing initial lepton asymmetry and the decay of the lightest right-handed neutrinos gives negligible contribution to the asymmetry. We figure out general features of the washout effect. It is shown that there is a novel parameter region where an effect that is negligible in most cases plays a critical role and a sizable lepton asymmetry can survive against the washout process even in a strong washout region.
dc.description14 pages, 7 figures
dc.identifierhttps://arxiv.org/abs/hep-ph/0703183
dc.identifierhttp://arxiv.org/abs/hep-ph/0703183
dc.identifierJHEP0709:043,2007
dc.identifierdoi:10.1088/1126-6708/2007/09/043
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/188400
dc.subjectHigh Energy Physics - Phenomenology
dc.titleA novel washout effect in the flavored leptogenesis
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