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Leptogenesis in GeV-scale seesaw models

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Leptogenesis in GeV-scale seesaw models

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dc.contributor.author	Hernández Gamazo, Pilar
dc.contributor.author	Kekic, Marija
dc.contributor.author	López Pavón, Jacobo
dc.contributor.author	Racker, Jean Jacques
dc.contributor.author	Rius Dionis, Nuria
dc.date.accessioned	2016-11-18T10:35:47Z
dc.date.available	2016-11-18T10:35:47Z
dc.date.issued	2015
dc.identifier.citation	Hernández Gamazo, Pilar Kekic, Marija López Pavón, Jacobo Racker, Jean Jacques Rius Dionis, Nuria 2015 Leptogenesis in GeV-scale seesaw models The Journal of high energy physics 10 10 067-1 067-34
dc.identifier.uri	http://hdl.handle.net/10550/56108
dc.description.abstract	We revisit the production of leptonic asymmetries in minimal extensions of the Standard Model that can explain neutrino masses, involving extra singlets with Majorana masses in the GeV scale. We study the quantum kinetic equations both analytically, via a perturbative expansion up to third order in the mixing angles, and numerically. The analytical solution allows us to identify the relevant CP invariants, and simplifies the exploration of the parameter space. We find that sizeable lepton asymmetries are compatible with non-degenerate neutrino masses and measurable active-sterile mixings.
dc.language.iso	eng
dc.relation.ispartof	The Journal of high energy physics, 2015, vol. 10, num. 10, p. 067-1-067-34
dc.subject	Física
dc.title	Leptogenesis in GeV-scale seesaw models
dc.type	journal article	es_ES
dc.date.updated	2016-11-18T10:35:47Z
dc.identifier.doi	10.1007/JHEP10(2015)067
dc.identifier.idgrec	108173
dc.rights.accessRights	open access	es_ES