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Proceedings Paper

Pulsed fast neutron analysis for cargo inspection for drugs and terrorist threats
Author(s): Douglas R. Brown; Tsahi Gozani; Joseph Bendahan; Felix Liu; Robert Loveman; Peter Ryge; Patrick Shea; Mala Sivakumar; John Stevenson
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Paper Abstract

A Pulsed Fast Neutron Analysis (PFNA) system for the inspection of cargoes and trucks has been designed to be relocatable. The modular packaging of the component subsystems allows it to be installed and relocated relatively quickly to meet shifting threats. A variety of deployment scenarios have been considered in the design. The material specific detection capabilities of the PFNA system have been extended beyond drugs and explosives to the detection of chemical weapons and special nuclear materials. An existing fixed-site PFNA system has been used to measure signals from a simulated chemical weapon (Sarin) concealed in a variety of cargoes; algorithms for the detection and location of the Sarin have been developed. A microsecond 'macro-pulsing,' added to the injector portion of the PFNA neutron production module, and added neutron detectors, allow measurement of delayed fission neutrons from concealed special nuclear materials (SNM). Measurements carried out with an enriched uranium sample demonstrated that the concealed SNM can be detected in cargoes. This paper will give an overview of the development program and review measurement results.

Paper Details

Date Published: 28 December 1998
PDF: 6 pages
Proc. SPIE 3575, Enforcement and Security Technologies, (28 December 1998); doi: 10.1117/12.335006
Show Author Affiliations
Douglas R. Brown, Ancore Corp. (United States)
Tsahi Gozani, Ancore Corp. (United States)
Joseph Bendahan, Ancore Corp. (United States)
Felix Liu, Ancore Corp. (United States)
Robert Loveman, Ancore Corp. (United States)
Peter Ryge, Ancore Corp. (United States)
Patrick Shea, Ancore Corp. (United States)
Mala Sivakumar, Ancore Corp. (United States)
John Stevenson, Ancore Corp. (United States)


Published in SPIE Proceedings Vol. 3575:
Enforcement and Security Technologies
A. Trent DePersia; John J. Pennella, Editor(s)

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