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Global analysis of solar neutrino oscillations including SNOCC measurement

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Global analysis of solar neutrino oscillations including SNOCC measurement

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dc.contributor.author Bahcall, John N.
dc.contributor.author González García, Mª Concepción
dc.contributor.author Peña Garay, Carlos
dc.date.accessioned 2014-11-03T12:58:13Z
dc.date.available 2014-11-03T12:58:13Z
dc.date.issued 2001
dc.identifier.citation Bahcall, John N. González García, Mª Concepción Peña Garay, Carlos 2001 Global analysis of solar neutrino oscillations including SNOCC measurement Journal of High Energy Physics 01 8 014
dc.identifier.uri http://hdl.handle.net/10550/39551
dc.description.abstract For active and sterile neutrinos, we present the globally allowed solutions for two neutrino oscillations. We include the SNO CC measurement and all other relevant solar neutrino and reactor data. Five active neutrino oscillation solutions (LMA, LOW, SMA, VAC, and Just So(2)) are currently allowed at 3sigma; three sterile neutrino solutions (Just So(2), SMA, and VAC) are allowed at 3sigma. The goodness of fit is satisfactory for all eight solutions. We also investigate the robustness of the allowed solutions by carrying out global analyses with and without: 1) imposing solar model constraints on the (8)B neutrino flux, 2) including the Super-Kamiokande spectral energy distribution and day-night data, 3) including a continuous mixture of active and sterile neutrinos, 4) using an enhanced CC cross section for deuterium (due to radiative corrections), and 5) an optimistic, hypothetical reduction by a factor of three of the error of the SNO CC rate. For every analysis strategy used in this paper, the most favored solutions all involve large mixing angles: LMA, LOW, or VAC. The favored solutions are robust, but the existence at 3sigma of individual sterile solutions and the active Just So(2) solution is sensitive to the analysis assumptions.
dc.language.iso eng
dc.relation.ispartof Journal of High Energy Physics, 2001, vol. 01, num. 8, p. 014
dc.subject Física
dc.title Global analysis of solar neutrino oscillations including SNOCC measurement
dc.type journal article es_ES
dc.date.updated 2014-11-03T12:58:13Z
dc.identifier.doi 10.1088/1126-6708/2001/08/014
dc.identifier.idgrec 097459
dc.rights.accessRights open access es_ES

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