Prospects for thermal neutron detection and imaging with the GammaTracker handheld radioisotope identifier

Carolyn E. Seifert; Debra S. Barnett; Mitchell J. Myjak

doi:10.1117/12.798795

4 September 2008 Prospects for thermal neutron detection and imaging with the GammaTracker handheld radioisotope identifier

Carolyn E. Seifert, Debra S. Barnett, Mitchell J. Myjak

Author Affiliations +

Proceedings Volume 7079, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics X; 707907 (2008) https://doi.org/10.1117/12.798795
Event: Optical Engineering + Applications, 2008, San Diego, California, United States

Abstract

We present measured data on the neutron detection response of the GammaTracker handheld radioisotope identifier. Two neutron detection modes are discussed: measuring absorption gamma rays from the cadmium present in the Cd-Zn- Te spectrometers, and measuring the absorption gamma rays from moderator material present in the environment. In both cases, the capture gamma rays can be imaged to help locate a shielded neutron source. In this work, we discuss the total neutron detection efficiency of the GammaTracker instrument, and we present measured images of shielded neutron sources. Prospects for gamma-ray rejection are discussed.

Citation Download Citation

Carolyn E. Seifert, Debra S. Barnett, and Mitchell J. Myjak "Prospects for thermal neutron detection and imaging with the GammaTracker handheld radioisotope identifier", Proc. SPIE 7079, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics X, 707907 (4 September 2008); https://doi.org/10.1117/12.798795

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