Temperature behavior of CLYC/MPPC detectors

Jarek Glodo; Mickel McClish; Rastgo Hawrami; Patrick O'Dougherty; Josh Tower; Andrey Gueorguiev; Kanai S. Shah

doi:10.1117/12.2028235

26 September 2013 Temperature behavior of CLYC/MPPC detectors

Jarek Glodo, Mickel McClish, Rastgo Hawrami, Patrick O'Dougherty, Josh Tower, Andrey Gueorguiev, Kanai S. Shah

Author Affiliations +

Proceedings Volume 8852, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XV; 88520X (2013) https://doi.org/10.1117/12.2028235
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

He-3 tubes are the most popular thermal neutron detectors. They are easy to use, have good sensitivity for neutron detection, and are insensitive to gamma radiation. Due to low stockpiles of the He-3 gas, alternatives are being sought to replace these devices in many applications. One of the possible alternatives to these devices are scintillators incorporating isotopes with high cross-section for neutron capture (e.g. Li-6 or B-10). Cs₂LiYCl₆:Ce (CLYC) is one of the scintillators that recently has been considered for neutron detection. This material offers good detection efficiency (~80%), bright response (70,000 photons/neutron), high gamma ray equivalent energy of the neutron signal (>3MeV), and excellent separation between gamma and neutron radiation with pulse shape discrimination. A He-3 tube alternative based on a CLYC scintillator was constructed using a silicon photomultiplier (SiPM) for the optical readout. SiPMs are very compact optical detectors that are an alternative to usually bulky photomultiplier tubes. Constructed detector was characterized for its behavior across a temperature range of -20°C to 50°C.

Citation Download Citation

Jarek Glodo, Mickel McClish, Rastgo Hawrami, Patrick O'Dougherty, Josh Tower, Andrey Gueorguiev, and Kanai S. Shah "Temperature behavior of CLYC/MPPC detectors", Proc. SPIE 8852, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XV, 88520X (26 September 2013); https://doi.org/10.1117/12.2028235

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