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Leptogenesis without violation of B-L

AuthorsRius, Nuria ; Racker, J. ; González García, M.ª Concepción
KeywordsBeyond Standard Model
Neutrino Physics
Issue Date18-Nov-2009
PublisherInstitute of Physics Publishing
CitationJournal of High Energy Physics (11): 079 (2009)
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.
Publisher version (URL)http://dx.doi.org/10.1088/1126-6708/2009/11/079
Appears in Collections:(IFIC) Artículos
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