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Proceedings Paper

Gamma-ray camera for arms control applications
Author(s): James F. Morgan; Georgi Ignatyev; Dimitry Semenov; Mikhail Chernov
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Paper Abstract

The Research Institute of Pulse Techniques, in collaboration with the Proliferation Prevention and Arms Control Program at Lawrence Livermore National Laboratory, has constructed a gamma-ray camera for use in arms control agreements such as Mutual Reciprocal Inspections and Warhead Dismantlement Transparency. The camera is designed to have high efficiency (in order to reduce inspection times), moderate resolution (to decrease the intrusiveness of the measurements), and sturdy construction (to allow operation in the types of conditions that might be met during shipment and use at various forward weapons sites). The imaging element consists of a honeycomb or soda-straw lead collimator and a 312-mm- diameter Nal(Tl) scintillator viewed by an array of phototubes. Software was developed to display 2- and 3-D views of the data and to analyze shape and peak areas. The first model was tuned for plutonium radiation in the 375- to 415-keV energy range. Images from various arrays of point sources were obtained and will be presented.

Paper Details

Date Published: 1 October 1999
PDF: 7 pages
Proc. SPIE 3769, Penetrating Radiation Systems and Applications, (1 October 1999); doi: 10.1117/12.363686
Show Author Affiliations
James F. Morgan, Lawrence Livermore National Lab. (United States)
Georgi Ignatyev, Research Institute of Pulse Techniques (Russia)
Dimitry Semenov, Research Institute of Pulse Techniques (Russia)
Mikhail Chernov, Research Institute of Pulse Techniques (Russia)

Published in SPIE Proceedings Vol. 3769:
Penetrating Radiation Systems and Applications
F. Patrick Doty, Editor(s)

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