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Verification of the spatial and timing resolution of the Siemens TOF-PET detector based on the Biograph mCT Flow

Franssen, Tim (2018) Verification of the spatial and timing resolution of the Siemens TOF-PET detector based on the Biograph mCT Flow. Bachelor's Thesis, Physics.

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Abstract

In vivo dose delivery verification is important in proton beam radiotherapy. It provides a way to verify and ensure that the protons deliver their dose to the desired location. One of the ways to verify the proton range is using in vivo positron emission tomography (PET). This report describes the specifications of a detector from the Siemens Biograph mCT Flow scanner in preparation for an investigation that will examine the capability of in vivo dose delivery verification using the short-lived positron emitter N-12. As a preparation, the detector's timing and spatial resolution was measured. This was done by using 2 scanner heads opposite to each other each consisting of 2 block detectors 43 cm apart, with a 8.1 MBA Ge-68 point source in between. The source was repositioned inside of the field-of-view in between measurements to examine the resulting effects. The temporal resolution was found to be 532 plus minus 5 ps and the spatial resolution to be 5.0 plus minus 0.1 mm. These are compatible with the values of 540 ps and 5.5 mm provided by Siemens.

Item Type: Thesis (Bachelor's Thesis)
Supervisor:
Supervisor nameSupervisor E mail
Dendooven, P.G.P.G.Dendooven@rug.nl
Kavatsyuk, M.M.Kavatsyuk@rug.nl
Degree programme: Physics
Thesis type: Bachelor's Thesis
Language: English
Date Deposited: 26 Jun 2018
Last Modified: 27 Jun 2018 10:15
URI: http://fse.studenttheses.ub.rug.nl/id/eprint/17467

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