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Permanent link (DOI): https://doi.org/10.7939/R3R98T

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PERFORMANCE EVALUATION OF SIGNAL CONDITIONING BOARDS AND SIMULATION OF THE IMPACT OF ELECTRONICS NOISE ON THE DEAP-3600 DARK MATTER DETECTOR Open Access

Descriptions

Other title
Subject/Keyword
Signal Conditioning Boards
dark matter, particle astrophysics, DEAP-3600, simulation
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Chouinard, Rhys Timon
Supervisor and department
Grant, Darren (Physics)
Examining committee member and department
Gingrich, Doug (Physics)
Jans, Hans-Sonke (Oncology)
Heinke, Craig (Physics)
Department
Department of Physics
Specialization

Date accepted
2013-01-22T13:16:36Z
Graduation date
2013-06
Degree
Master of Science
Degree level
Master's
Abstract
The Dark matter Experiment with Argon and Pulse shape discrimination (DEAP-3600) aims to detect the interactions of Weakly Interacting Massive Particles colliding with the nuclei of argon atoms. As particles interact with the argon in the DEAP-3600 vessel, scintillation light is emitted and detected by 255 photomultiplier tubes (PMTs) surrounding the target volume. Photons reaching the PMTs are converted into electrical pulses and sent along a data processing chain. The electronics are designed to maximise the detection of individual and multiple photon pulses, which is paramount for accurate particle identification. The Signal Conditioning Boards (SCBs) are electrical devices designed for DEAP-3600 to optimise single photoelectron detection, and maximise the signal to noise ratio. Versions of the SCBs were tested and improved to ensure the necessary signal to noise ratio was obtained. The impact of electronics noise on detector performance was studied.
Language
English
DOI
doi:10.7939/R3R98T
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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