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Proceedings Paper

Progress towards a LaBr3-based associated particle imaging system for contraband detection and bulk materials analysis
Author(s): J. C. Marsh; M. S. Litz; J. J. Carroll; C. J. Chiara; N. A. Guardala; J. D. Demaree
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Paper Abstract

An array of nine 811 cm3 LaBr3:Ce crystals coupled to photomultiplier tubes is used to detect γ rays induced from materials by neutrons emitted from a Deuterium-Tritium neutron generator. The accompanying digital data acquisition system has been developed to understand operational limits for remote detection of explosive contraband and analysis of material composition. Results are presented demonstrating current system performance, with the eventual goal of detecting a small (less than 5%) change in the composition of a material. Improvement expected over existing analog data collection systems are described along with discussion of the enhancements.

Paper Details

Date Published: 12 May 2016
PDF: 12 pages
Proc. SPIE 9824, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XVII, 98240N (12 May 2016); doi: 10.1117/12.2224157
Show Author Affiliations
J. C. Marsh, U.S. Army Research Lab. (United States)
Oak Ridge Associated Univ. (United States)
M. S. Litz, U.S. Army Research Lab. (United States)
J. J. Carroll, U.S. Army Research Lab. (United States)
C. J. Chiara, U.S. Army Research Lab. (United States)
Oak Ridge Associated Univ. (United States)
N. A. Guardala, Naval Surface Warfare Ctr. Carderock Div. (United States)
J. D. Demaree, U.S. Army Research Lab. (United States)


Published in SPIE Proceedings Vol. 9824:
Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XVII
Augustus Way Fountain III, Editor(s)

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