An Underwater Six-Camera Array for Monitoring and Position Measurements in SNO Report as inadecuate




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camera, triangulation, neutrino, SNO+

Petriw, Zachary D.

Supervisor and department: Hallin, Aksel Department of Physics

Examining committee member and department: Krauss, Carsten Department of Physics Beach, Kevin Department of Physics Yang, Herb Computing Science Hallin, Aksel Department of Physics

Department: Department of Physics

Specialization:

Date accepted: 2012-09-28T13:29:46Z

Graduation date: 2012-09

Degree: Master of Science

Degree level: Master's

Abstract: This thesis deals with the creation, calibration and performance of the camera system to be installed in the SNO+ experiment. A system of six cameras in underwater enclosures will be used to monitor the position of the acrylic vessel and its hold-down rope net during the course of the experiment. The system will also be used to triangulate the positions of calibration sources lowered into the detector to an expected accuracy of 1.5 cm at a distance of 9 meters. This is an improvement to the previous 5 cm accuracy given by the rope manipulator system used to lower calibration sources into the detector. This result will not be subject to the same position-dependent systematic effects that dominated the previous system. The procedure of testing and calibrating the cameras before their installation is explained in this thesis.

Language: English

DOI: doi:10.7939-R3SQ6H

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.





Author: Petriw, Zachary D.

Source: https://era.library.ualberta.ca/


Teaser



“The secret to successful analysis, Cardas: whenever possible, reduce matters to a single variable.” - Mitth’raw’nuruodo Outbound Flight Tymothy Zahn University of Alberta An Underwater Six-Camera Array for Monitoring and Position Measurements in SNO by Zachary Petriw A thesis submitted to the Faculty of Graduate Studies and Research in partial fulfillment of the requirements for the degree of Master of Science Department of Physics c Zachary Petriw Fall 2012 Edmonton, Alberta 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. Abstract This thesis deals with the creation, calibration and performance of the camera system to be installed in the SNO experiment.
A system of six cameras in underwater enclosures will be used to monitor the position of the acrylic vessel and its hold-down rope net during the course of the experiment.
The system will also be used to triangulate the positions of calibration sources lowered into the detector to an expected accuracy of ±1.5 cm at a distance of 9 meters.
This is an improvement to the previous ±5 cm accuracy given by the rope manipulator system used to lower calibration sources into the detector.
This result will not be subject to the same position-dependent systematic effects that dominated the previous system.
The procedure of testing and calibrating the cameras before their in...





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