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Global three-neutrino oscillation analysis of neutrino data

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Global three-neutrino oscillation analysis of neutrino data

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dc.contributor.author Furtado Valle, José Wagner
dc.contributor.author Peña Garay, Carlos
dc.date.accessioned 2014-08-06T09:07:52Z
dc.date.available 2014-08-06T09:07:52Z
dc.date.issued 2001
dc.identifier.citation Furtado Valle, José Wagner Peña Garay, Carlos 2001 Global three-neutrino oscillation analysis of neutrino data Physical Review D 63 3 033005
dc.identifier.uri http://hdl.handle.net/10550/37368
dc.description.abstract A global analysis of the solar, atmospheric and reactor neutrino data is presented in terms of three-neutrino oscillations. We include the most recent solar neutrino rates of Homestake, SAGE, GALLEX and GNO. as well as the recent 1117 day Super-Kamiokande data sample, including the recoil electron energy spectrum both for day and night periods, and we treat in a unified way the full parameter space for oscillations, correctly accounting for the transition from the matter enhanced to the vacuum oscillations regime. Likewise, we include in our description conversions with theta (12) > pi /4 For the atmospheric data we perform our analysis of the contained events and the upward-going v-induced muon fluxes, including the previous data samples of Frejus, IMB, Nusex. and Kamioka experiments as well as the full 71 kton yr (1144 days) Super-Kamiokande data set, the recent 5.1 kton yr contained events of Soudan2 and the results on upgoing muons from the MACRO detector. We first present the allowed regions of solar and atmospheric oscillation parameters theta (12). Deltam(21)(2) and theta (23), Deltam(32)(2). respectively, as a function of theta (13). We determine the constraints from atmospheric and solar data on the mixing angle theta (13). common to solar and atmospheric analyses. The solar limit on theta (13), although relatively weak. is totally independent on the allowed range of the atmospheric mass difference hm:,. On the other hand, the atmospheric data analysis indicates an important complementarity with the reactor limits allowing for a stronger constraint on the allowed value of theta (13) We also obtain the allowed ranges of parameters from the full five-dimensional combined analysis of the solar, atmospheric and reactor data.
dc.language.iso eng
dc.relation.ispartof Physical Review D, 2001, vol. 63, num. 3, p. 033005
dc.subject Partícules (Física nuclear)
dc.subject Cosmologia
dc.title Global three-neutrino oscillation analysis of neutrino data
dc.type journal article es_ES
dc.date.updated 2014-08-06T09:07:52Z
dc.identifier.doi 10.1103/PhysRevD.63.033005
dc.identifier.idgrec 031792
dc.rights.accessRights open access es_ES

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