Precise Measurement of the Solar Neutrino Day/Night and Seasonal Variation in Super-Kamiokande-I

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dc.creatorKamiokande Collaboration
dc.date2003-09-03
dc.date.accessioned2026-07-07T10:28:20Z
dc.date.available2026-07-07T10:28:20Z
dc.descriptionThe time variation of the elastic scattering rate of solar neutrinos with electrons in Super-Kamiokande-I was fit to the variations expected from active two-neutrino oscillations. The best fit in the Large Mixing Angle solution has a mixing angle of tan^2theta=0.55 and a mass squared difference of Deltam^2=6.3times10^-5eV^2 between the two neutrino mass eigenstates. The fitted day/night asymmetry of -1.8+-1.6(stat)+1.3-1.2(syst)% has improved statistical precision over previous measurements and agrees well with the expected asymmetry of -2.1%.
dc.description5 pages, 7 figures; submitted to Phys. Rev. D (rapid communication)
dc.identifierhttps://arxiv.org/abs/hep-ex/0309011
dc.identifierhttp://arxiv.org/abs/hep-ex/0309011
dc.identifierPhys.Rev.D69:011104,2004
dc.identifierdoi:10.1103/PhysRevD.69.011104
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/177411
dc.subjectHigh Energy Physics - Experiment
dc.titlePrecise Measurement of the Solar Neutrino Day/Night and Seasonal Variation in Super-Kamiokande-I
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