Method for detection of explosives based on nuclear resonance absorption of gamma rays in 14N

David Vartsky; Gideon Engler; Moshe B. Goldberg; Ronald A. Krauss

doi:10.1117/12.171276

28 March 1994 Method for detection of explosives based on nuclear resonance absorption of gamma rays in ¹⁴N

David Vartsky, Gideon Engler, Moshe B. Goldberg, Ronald A. Krauss

Proceedings Volume 2092, Substance Detection Systems; (1994) https://doi.org/10.1117/12.171276
Event: Substance Identification Technologies, 1993, Innsbruck, Austria

Abstract

The physical principles of the nuclear resonance absorption method and its application to explosives detection are described. In this method, the object to be tested is scanned by a beam of 9.17 MeV gamma rays, which undergoes resonant attenuation whenever the beam encounters regions of nitrogen concentration. This resonant component of attenuation is detected using an array of gamma ray detectors containing a nitrogen-rich medium. From the reconstructed spatial distribution of nitrogen density obtained in multiview scanning, the presence of an explosive can be determined.

Citation Download Citation

David Vartsky, Gideon Engler, Moshe B. Goldberg, and Ronald A. Krauss "Method for detection of explosives based on nuclear resonance absorption of gamma rays in ¹⁴N", Proc. SPIE 2092, Substance Detection Systems, (28 March 1994); https://doi.org/10.1117/12.171276

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