⁷Be Solar Neutrino Measurement with KamLAND

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dc.contributor.author Piepke, Andreas
dc.date.accessioned 2019-05-14T16:17:52Z
dc.date.available 2019-05-14T16:17:52Z
dc.date.issued 2015-11-30 en_US
dc.identifier.uri http://ir.ua.edu/handle/123456789/5530
dc.description.abstract We report a measurement of the neutrino-electron elastic scattering rate of 862 keV ⁷Be solar neutrinos based on a 165.4 kt d exposure of KamLAND. The observed rate is 592 ± 94 (kt d)⁻¹, which corresponds to an 862-keV ⁷Be solar neutrino flux of (3.26 ± 0.52) × 10⁹ cm⁻²s⁻¹, assuming a pure electron-flavor flux. Comparing this flux with the standard solar model prediction and further assuming three-flavor mixing, a vₑ survival probability of 0.66 ± 0.15 is determined from the KamLAND data. Utilizing a global three-flavor oscillation analysis, we obtain a total ⁷Be solar neutrino flux of (5.82 ± 1.02) × 10⁹ cm⁻²s⁻¹, which is consistent with the standard solar model predictions. en_US
dc.format.mimetype application/pdf en_US
dc.language English en_US
dc.subject Solar neutrinos en_US
dc.subject Neutrino mass and mixing en_US
dc.subject Spallation reactions en_US
dc.title ⁷Be Solar Neutrino Measurement with KamLAND en_US
dc.type text en_US

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