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Title: A measurement of the electron neutrino component in the T2K beam using the tracker detectors and the electromagnetic calorimeter at the near detector ND280
Author: Christodoulou, Georgios
ISNI:       0000 0004 2736 7507
Awarding Body: University of Liverpool
Current Institution: University of Liverpool
Date of Award: 2011
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Starting with a muon neutrino (vμ) beam T2K is searching for electron neutrino (ve) ap- pearance in the Far Detector (Super-Kamiokande) and aims to produce the first measure- ment of the neutrino mixing angle e13. Beam contamination of Ve is one of the main background components. The Near Detector, ND280, is optimized for measuring the u; contamination through the reconstruction of Ve interactions. The u; beam contamination is studied in this thesis. The total number of Ve beam events reconstructed in ND280 is 51.2 +21.3 stat. +10.1 sys/ -21.3 stat. -14.4 sys for 1.068 x10 to the power of 20 protons on target, a resu t w lC IS consistent with the Monte Carlo expectations. This result a supplementary statement to the vμ -> 7 Ve oscillation signal observed at Super-Kamiokande during the first year of T2K run, as no significant excess in the expected Ve beam contamination has been observed.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral