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Proceedings Paper

Mobile associated particle imaging system
Author(s): James R. Tinsley; Leslie Drake; Jack L. Guerrier; Garrett Headley; Charles L. Hudson; Paul Hurley; Laura Tunnell
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Paper Abstract

Associated particle imaging (API) is a technique that employs a small deuterium accelerator to accelerate deuterons into a tritium-impregnated target, producing coincident neutrons and alpha particles that travel in opposite directions. By detecting the arrival of an alpha particle on a phosphor, and its position in two dimensions, the time and direction of the neutron emission id determined. Neutrons that interact with material in their paths produce a gamma ray whose energy is characteristic of that material. From the arrival time and energy of these gammas, the elemental composition of an object can be deduced as a function of position. We have built a portable API system and conducted field tests. In these tests, we have identified a quantity of fertilizer 'hidden' in a closed vehicle and the contents of some common military munition casings.

Paper Details

Date Published: 19 July 1996
PDF: 5 pages
Proc. SPIE 2859, Hard X-Ray/Gamma-Ray and Neutron Optics, Sensors, and Applications, (19 July 1996); doi: 10.1117/12.245129
Show Author Affiliations
James R. Tinsley, Special Technologies Lab. (United States)
Leslie Drake, Special Technologies Lab. (United States)
Jack L. Guerrier, Special Technologies Lab. (United States)
Garrett Headley, Special Technologies Lab. (United States)
Charles L. Hudson, Special Technologies Lab. (United States)
Paul Hurley, Special Technologies Lab. (United States)
Laura Tunnell, Special Technologies Lab. (United States)

Published in SPIE Proceedings Vol. 2859:
Hard X-Ray/Gamma-Ray and Neutron Optics, Sensors, and Applications
Richard B. Hoover; F. Patrick Doty, Editor(s)

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