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dc.contributor.authorRius, Nuria-
dc.contributor.authorRacker, J.-
dc.contributor.authorGonzález García, M.ª Concepción-
dc.date.accessioned2010-02-05T13:05:31Z-
dc.date.available2010-02-05T13:05:31Z-
dc.date.issued2009-11-18-
dc.identifier.citationJournal of High Energy Physics (11): 079 (2009)en_US
dc.identifier.issn1126-6708-
dc.identifier.urihttp://hdl.handle.net/10261/20767-
dc.description.abstractWe study the possibility of generating the observed baryon asymmetry via leptogenesis in the decay of heavy Standard Model singlet fermions which carry lepton number, in a framework without Majorana masses above the electroweak scale. Such scenario does not contain any source of total lepton number violation besides the Standard Model sphalerons, and the baryon asymmetry is generated by the interplay of lepton flavour effects and the sphaleron decoupling in the decay epoch.en_US
dc.description.sponsorshipWe thank Pilar Hernandez for very useful discussions about the equilibrium conditions for baryogenesis. This work is supported by spanish MICCIN under grants 2007-66665-C02-01, FPA-2007-60323, and Consolider-Ingenio 2010 CUP (CSD2008-00037), CPAN (CSD2007-00042) and PAU (CSD2007-00060), by CUR Generalitat de Catalunya grant 2009SGR502, by Generalitat Valenciana grant PROMETEO/2009/116 and by USA-NSF grant PHY-0653342.en_US
dc.format.extent22195 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoengen_US
dc.publisherInstitute of Physics Publishingen_US
dc.rightsopenAccessen_US
dc.subjectBeyond Standard Modelen_US
dc.subjectNeutrino Physicsen_US
dc.titleLeptogenesis without violation of B-Len_US
dc.typeartículoen_US
dc.identifier.doi10.1088/1126-6708/2009/11/079-
dc.description.peerreviewedPeer revieweden_US
dc.relation.publisherversionhttp://dx.doi.org/10.1088/1126-6708/2009/11/079en_US
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