NONADIABATIC NEUTRINO OSCILLATIONS REEXAMINED

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dc.contributor.authorGuzzo, M. M.
dc.contributor.authorBellandi, J.
dc.contributor.authorAquino, V. M.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Estadual de Londrina (UEL)
dc.date.accessioned2014-05-20T15:23:46Z
dc.date.available2014-05-20T15:23:46Z
dc.date.issued1994-02-01
dc.description.abstractEmploying the Feynman procedure of ordered exponential operators and the stationary phase method to evaluate the multiple integrals involved, we calculate the level-crossing probability and analyze the role of a resonance in the evolution of a two-level neutrino system. We compare this procedure with more conventional ones, such as Landau's method and the ansatz of Kuo and Pantaleone and Petcov. We verify that our results reproduce the correct extreme nonadiabatic limit and give the standard solutions in the adiabatic regime for any arbitrary matter density distributions. We discuss in particular the case of solar neutrino propagation using the standard solar model predictions for the matter distribution in the Sun.en
dc.description.affiliationUNIV ESTADUAL PAULISTA, INST FIS TEOR, BR-14501405 SAO PAULO, SP, BRAZIL
dc.description.affiliationUNIV ESTADUAL LONDRINA, DEPT FIS, BR-86000970 LONDRINA, PARANA, BRAZIL
dc.description.affiliationUnespUNIV ESTADUAL PAULISTA, INST FIS TEOR, BR-14501405 SAO PAULO, SP, BRAZIL
dc.format.extent1404-1408
dc.identifierhttp://dx.doi.org/10.1103/PhysRevD.49.1404
dc.identifier.citationPhysical Review D. College Pk: Amer Physical Soc, v. 49, n. 3, p. 1404-1408, 1994.
dc.identifier.doi10.1103/PhysRevD.49.1404
dc.identifier.fileWOSA1994MV51900030.pdf
dc.identifier.issn1550-7998
dc.identifier.urihttp://hdl.handle.net/11449/34473
dc.identifier.wosWOS:A1994MV51900030
dc.language.isoeng
dc.publisherAmer Physical Soc
dc.relation.ispartofPhysical Review D
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleNONADIABATIC NEUTRINO OSCILLATIONS REEXAMINEDen
dc.typeArtigo
dcterms.licensehttp://publish.aps.org/authors/transfer-of-copyright-agreement
dcterms.rightsHolderAmer Physical Soc
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Física Teórica (IFT), São Paulopt

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Artigos - Instituto de Física Teórica (IFT)