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Title: Measuring charged current neutrino interactions in the electromagnetic calorimeters of the ND280 detector
Author: Scott, Mark Andrew
Awarding Body: Imperial College London
Current Institution: Imperial College London
Date of Award: 2013
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This thesis presents a study of neutrino interactions within the electromagnetic calorimeters (ECals) of the Tokai-to-Kamioka (T2K) off -axis near detector (ND280), using data collected from T2K Run II and Run III. Neutrino oscillation physics is a rapidly advancing field, with the recent discovery of non-zero [Symbol appears here. To view, please open pdf attachment]13 allowing the possibility of measuring CP-violation in the lepton sector. The current neutrino beam experiments must make precise measurements of the oscillation parameters and to do this require an improved understanding of neutrino interactions, which can only come through better measurements of neutrino cross-sections. This thesis describes the development of a neutrino event selection using a boosted decision tree multi-variate analysis to separate interactions within the ND280 ECals from entering backgrounds. This is then used to provide a selection of neutrino event samples from each ECal module, which are inputs to a X2 fit that is used to extract the [Symbols appears here. To view, please open pdf attachment] charged current inclusive cross-section, which was found to be [Mathematical equation appears here. To view, please open pdf attachment].
Supervisor: Uchida, Yoshi Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral