Principles and applications of gamma-ray imaging for arms control

The ability of gamma-rays to penetrate matter makes them an excellent signature for the detection of nuclear materials—except that this very ability makes their detection difficult. This is particularly true if one wishes to make images, since general-purpose focusing optics do not exist. Various in...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2018-01, Vol.878 (C), p.191-199
Main Author: Ziock, K.P.
Format: Article
Language:English
Subjects:
Arms control
Coded-aperture imager
Compton camera
Gamma-ray imager
Safeguards
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Summary:The ability of gamma-rays to penetrate matter makes them an excellent signature for the detection of nuclear materials—except that this very ability makes their detection difficult. This is particularly true if one wishes to make images, since general-purpose focusing optics do not exist. Various indirect imaging techniques have been successfully applied to obtain gamma-ray images, including Compton and coded-aperture imaging. This paper reviews the different approaches, and discusses their advantages and disadvantages as illustrated with results obtained from different instruments designed for use in nuclear security applications.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2017.04.001