Insensitivity of flavoured leptogenesis to low energy CP violation

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dc.creatorDavidson, Sacha
dc.creatorGarayoa, Julia
dc.creatorPalorini, Federica
dc.creatorRius, Nuria
dc.date2007-05-10
dc.date2007-10-15
dc.date.accessioned2026-07-07T10:55:28Z
dc.date.available2026-07-07T10:55:28Z
dc.descriptionIf the baryon asymmetry of the Universe is produced by leptogenesis, CP violation is required in the lepton sector. In the seesaw extension of the Standard Model with three hierarchical right-handed neutrinos, we show that the baryon asymmetry is insensitive to the PMNS phases: thermal leptogenesis can work for any value of the observable phases. This result was well-known when there are no flavour effects in leptogenesis; we show that it remains true when flavour effects are included.
dc.description4 pages, 1 figure; version accepted for publication, added explanations, notation clarified
dc.identifierhttps://arxiv.org/abs/0705.1503
dc.identifierhttp://arxiv.org/abs/0705.1503
dc.identifierPhys.Rev.Lett.99:161801,2007
dc.identifierdoi:10.1103/PhysRevLett.99.161801
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/186090
dc.subjectHigh Energy Physics - Phenomenology
dc.titleInsensitivity of flavoured leptogenesis to low energy CP violation
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