| Title | Silicon photomultiplier-based Compton Telescope for Safety and Security (SCoTSS) |
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| Author | Sinclair, L ;
Saull, P; Hanna, D; Seywerd, H; MacLeod, A; Boyle, P |
| Source | IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers) vol. 61, no. 5, 2014 p. 2745-2752, https://doi.org/10.1109/TNS.2014.2356412  Open
Access |
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| Year | 2014 |
| Alt Series | Earth Sciences Sector, Contribution Series 20130419 |
| Publisher | IEEE Publishing |
| Document | serial |
| Lang. | English |
| Media | paper; on-line; digital |
| File format | pdf; html |
| Program | Canadian Hazard Information Service |
| Released | 2014 10 01 |
| Abstract | A 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. |
| Summary | (Plain Language Summary, not published)
Prompted by the needs of NRCan's Nuclear Emergency Response group under the Canadian Hazards Information Service, we built a gamma imager which can show
the locations of radioactivity overlaid on a photograph of the surroundings. The imager is innovative and of scientific interest in the fields of radiation detection, medical imaging, and light collection. In October of 2013, quantitative
performance measures of the imager were presented at an international conference and included in the conference proceedings. This is a full peer-reviewed journal version of that proceedings paper. |
| GEOSCAN ID | 293526 |
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