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On the description of nonunitary neutrino mixing

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On the description of nonunitary neutrino mixing

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dc.contributor.author	Escrihuela Ferrándiz, Francisco Javier
dc.contributor.author	Vanegas Forero, David
dc.contributor.author	Miranda, O.G.
dc.contributor.author	Tórtola Baixauli, María Amparo
dc.contributor.author	Furtado Valle, José Wagner
dc.date.accessioned	2016-04-22T12:35:05Z
dc.date.available	2016-04-22T12:35:05Z
dc.date.issued	2015
dc.identifier.citation	Escrihuela Ferrándiz, Francisco Javier Vanegas Forero, David Miranda, O.G. Tórtola Baixauli, María Amparo Furtado Valle, José Wagner 2015 On the description of nonunitary neutrino mixing Physical Review D 92 5 053009
dc.identifier.uri	http://hdl.handle.net/10550/53014
dc.description.abstract	Neutrino oscillations are well established and the relevant parameters determined with good precision, except for the CP phase, in terms of a unitary lepton mixing matrix. Seesaw extensions of the Standard Model predict unitarity deviations due to the admixture of heavy isosinglet neutrinos. We provide a complete description of the unitarity and universality deviations in the light-neutrino sector. Neutrino oscillation experiments involving electron or muon neutrinos and antineutrinos are fully described in terms of just three new real parameters and a new CP phase, in addition to the ones describing oscillations with unitary mixing. Using this formalism we describe the implications of nonunitarity for neutrino oscillations and summarize the model-independent constraints on heavy-neutrino couplings that arise from current experiments.
dc.language.iso	eng
dc.relation.ispartof	Physical Review D, 2015, vol. 92, num. 5, p. 053009
dc.subject	Física
dc.title	On the description of nonunitary neutrino mixing
dc.type	journal article	es_ES
dc.date.updated	2016-04-22T12:35:05Z
dc.identifier.doi	10.1103/PhysRevD.92.053009
dc.identifier.idgrec	108146
dc.rights.accessRights	open access	es_ES