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- W168656989 abstract "In this thesis we present the results from the muon neutrino energy spectrum measurement at T2K's near detecter and T2K's near detecter tracker absolute momentum scale calibration. First we review the main historical steps and the current state of the art of neutrino physics as well as the theoretical framework required to understand the thesis physics analyses presented later on. In particular we focus on the neutrino oscillation parametrization and the neutrino-matter interaction models. We then describe T2K, an off-axis long baseline neutrino oscillation experiment in Japan which uses a muon neutrino beam sent from J-PARC to Super-Kamiokande, with a magnetized near detector located at 280m from the neutrino production site. T2K's main goals are measuring the last unknown angle of the PMNS matrix theta 13 through electron neutrino appearance in the neutrino muon beam and measuring precisely the atmospheric parameters through muon neutrino disappearance. We briefly describe the detectors, in particular the near detector tracker and its performance. We then present the analyses tools, such as the reconstruction techniques used and how the neutrino charged current interaction events needed for the energy spectrum measurement are selected. The main goal of the thesis, the muon neutrino energy spectrum measurement done with the first T2K data is explained next. We give the motivations for such measurement, the results obtained with the first T2K data sample, and the different systematic errors studied. Finally, the absolute momentum scale calibration of T2K's near detector tractor, done through the reconstruction of the neutral kaon invariant mass, is explained." @default.
- W168656989 created "2016-06-24" @default.
- W168656989 creator A5013161088 @default.
- W168656989 date "2011-01-01" @default.
- W168656989 modified "2023-09-24" @default.
- W168656989 title "T2K off-axis near detector muon neutrino flux measurement and absolute momentum scale calibration of the off-axis near detector tracker" @default.
- W168656989 hasPublicationYear "2011" @default.
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