Silicon photomultiplier-based Compton Telescope for Safety and Security (SCoTSS)

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DOIResolve DOI: http://doi.org/10.1109/TNS.2014.2356412
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TypeArticle
Journal titleIEEE Transactions on Nuclear Science
ISSN0018-9499
Volume61
Issue5
Article number2356412
Pages27452752; # of pages: 8
SubjectCompton Camera; Compton imager; Compton telescope; Gamma cameras; Gamma imager; Silicon photomultiplier; SiPM
AbstractA Compton gamma imager has been developed for use in consequence management operations and in security investigations. The imager uses solid inorganic scintillator, known for robust performance in field survey conditions. The design was constrained in overall size by the requirement that it be person transportable and operable from a variety of platforms. In order to introduce minimal dead material in the path of the incoming and scattered gamma rays, custom silicon photomultipliers (SiPMs), with a thin glass substrate, were used to collect the scintillation light from the scatter layers. To move them out of the path of the gamma rays, preamplification electronics for the silicon photomultipliers were located a distance from the imager. This imager, the Silicon photomultiplier Compton Telescope for Safety and Security (SCoTSS) is able to provide a one-degree image resolution in a ±45° field of view for a 10 mCi point source 40 m distant, within about one minute, for gamma-ray energies ranging from 344 keV to 1274 keV. Here, we present a comprehensive performance study of the SCoTSS imager.
Publication date
LanguageEnglish
AffiliationMeasurement Science and Standards; National Research Council Canada
Peer reviewedYes
NPARC number21272793
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Record identifierba4f0a89-570e-4d2e-a33d-be45e30e8c1b
Record created2014-12-03
Record modified2016-05-09
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