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Title: Study of [muon neutrino] disappearance in the T2K experiment
Author: Masliah, Patrick
ISNI:       0000 0004 2729 0925
Awarding Body: Imperial College London
Current Institution: Imperial College London
Date of Award: 2012
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A Vμ disappearance analysis performed on the dataset collected during the first physics run of the T2K experiment is presented. This dataset represents an accumulated exposure of 3.23 x10¹⁹ protons on target (POT). A total of eight events passed all the selection criteria at the far detector, Super-Kamiokande, with an expectation of 22.8 ± 4.8(stat)+3.7-3.7(syst). A two flavor neutrino oscillation fit was performed with systematic uncertainties using a Markov Chain Monte Carlo method and a Bayesian approach. The sin² 2θ23 oscillation parameter was constrained to the physical region. Under these conditions, we found best fit values for the oscillation parameters of sin² 2θ23 = 0.83+016-0.18 and Δm²32 = 2.9+0.8-1.0 x 10⁻³ eV²/c⁴.
Supervisor: Wascko, Morgan Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral