Time Calibration of IWCD: A new water Cherenkov near detector for Hyper-Kamkiokande
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Date
2019-12-30
Authors
Brar, Jashanjot Kaur
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Abstract
This thesis has explored calibration of a new Intermediate Distance Water Cherenkov Detector (IWCD) for the long-baseline neutrino oscillation experiment from Tokai to Hyper-Kamiokande. The timing calibration method studied for water Cherenkov detectors uses a flash of light in the detector and can be applied in any water Cherenkov detector. The method accounts for the propagation of light from the source to the photomultiplier tubes, and accounts for the geometry of the detector, reaching a timing resolution of 0.01 ns using true time, and about 0.68 ns using digitized times. The thesis also describes measurements using the TRIUMF photomultiplier test facility of the first multi-photomultiplier tube module that will be used in IWCD.
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Physics