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dc.contributor.authorGuzzo, M. M.-
dc.contributor.authorde Holanda, P. C.-
dc.contributor.authorMaltoni, M.-
dc.contributor.authorNunokawa, H.-
dc.contributor.authorTortola, M. A.-
dc.contributor.authorValle, JWF-
dc.identifier.citationNuclear Physics B. Amsterdam: Elsevier B.V., v. 629, n. 1-3, p. 479-490, 2002.-
dc.description.abstractWe re-analyse the non-standard interaction (NSI) solutions to the solar neutrino problem in the light of the latest solar as well as atmospheric neutrino data. The latter require oscillations (OSC), while the former do not. Within such a three-neutrino framework the solar and atmospheric neutrino sectors are connected not only by the neutrino mixing angle theta(13) constrained by reactor and atmospheric data, but also by the flavour-changing (FC) and non-universal (NU) parameters accounting for the solar data. Since the NSI solution is energy-independent the spectrum is undistorted, so that the global analysis observables are the solar neutrino rates in all experiments as well as the Super-Kamiokande day-night measurements. We find that the NSI description of solar data is slightly better than that of the OSC solution and that the allowed NSI regions are determined mainly by the rate analysis. By using a few simplified ansatzes for the NSI interactions we explicitly demonstrate that the NSI values indicated by the solar data analysis are fully acceptable also for the atmospheric data. (C) 2002 Elsevier B.V. B.V. All rights reserved.en
dc.publisherElsevier B.V.-
dc.sourceWeb of Science-
dc.subjectneutrino oscillationspt
dc.subjectsolar and atmospheric neutrinospt
dc.subjectneutrino mass and mixingpt
dc.subjectnon-standard neutrino interactionspt
dc.titleStatus of a hybrid three-neutrino interpretation of neutrino dataen
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)-
dc.contributor.institutionInt Ctr Theoret Phys-
dc.contributor.institutionUniv Politecn Valencia-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUniv Estadual Campinas, Inst Fis Gleb Wataghin, BR-13083970 Campinas, SP, Brazil-
dc.description.affiliationInt Ctr Theoret Phys, I-34014 Trieste, Italy-
dc.description.affiliationUniv Politecn Valencia, Inst Fis Corpuscular, CSIC, E-46071 Valencia, Spain-
dc.description.affiliationUniv Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, Brazil-
dc.description.affiliationUnespUniv Estadual Paulista, Inst Fis Teor, BR-01405900 São Paulo, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofNuclear Physics B-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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