Measurement of muon antineutrino disappearance in the T2K Experiment

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dc.contributor.authorMyslik, Jordan William
dc.contributor.supervisorKarlen, Dean Albert
dc.date.accessioned2016-07-22T20:08:35Z
dc.date.available2016-07-22T20:08:35Z
dc.date.copyright2016en_US
dc.date.issued2016-07-22
dc.degree.departmentDepartment of Physics and Astronomyen_US
dc.degree.levelDoctor of Philosophy Ph.D.en_US
dc.description.abstractThe T2K ("Tokai-to-Kamioka") Experiment is a long-baseline neutrino oscillation experiment. A beam of primarily muon neutrinos (in neutrino beam mode) or antineutrinos (in antineutrino beam mode) is produced at the J-PARC ("Japan Proton Accelerator Research Complex") facility. The near detector (ND280), located 280 m from the proton beam target, measures a large event rate of neutrino interactions in the unoscillated beam, while the far detector, Super-Kamiokande, 295 km away, searches for the signatures of neutrino oscillation. This dissertation describes the analyses of data at ND280 and Super-Kamiokande leading to T2K's first results from running in antineutrino beam mode: a measurement of muon antineutrino disappearance. The measured values of the antineutrino oscillation parameters (Normal Hierarchy) are (sin²(θ̅₂₃), |Δm̅²₃₂|) = (0.450, 2.518 x 10ˉ³ eV²/c⁴), with 90% 1D confidence intervals 0.327 < sin²(θ̅₂₃) < 0.692 and 2.03 x 10ˉ³ eV²/c⁴ < |Δm̅²₃₂| < 2.92 x 10ˉ³ eV²/c⁴. These results are consistent with past measurements of these parameters by other experiments, and with T2K's past measurements of muon neutrinos.en_US
dc.description.scholarlevelGraduateen_US
dc.identifier.urihttp://hdl.handle.net/1828/7415
dc.languageEnglisheng
dc.language.isoenen_US
dc.rightsAvailable to the World Wide Weben_US
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/2.5/ca/*
dc.subjectT2Ken_US
dc.subjectneutrino oscillationen_US
dc.subjectmuon antineutrino disappearanceen_US
dc.subjectnear detectoren_US
dc.subjectND280en_US
dc.subjectND280 contribution to oscillation analysisen_US
dc.subjectantineutrino beam modeen_US
dc.subjectTPCen_US
dc.subjectTime Projection Chamberen_US
dc.subjectGas Handling Systemen_US
dc.subjectSuper-Kamiokandeen_US
dc.titleMeasurement of muon antineutrino disappearance in the T2K Experimenten_US
dc.typeThesisen_US

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