Contraband detection using high-energy gamma rays from {sup 16}O*

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High-energy monoenergetic gamma rays (6.13 and 7.12 MeV) from the decay of excited states of the {sup 16}O* nucleus are highly penetrating and thus offer potential for non-intrusive inspection of loaded containers for narcotics, explosives, and other contraband items. These excited states can be produced by irradiation of water with 14-MeV neutrons from a DT neutron generator or through the {sup 19}F(p,{alpha}){sup 16}O* reaction. Resonances in {sup 19}F(p,{alpha}){sup 16}O* at proton energies between 340 keV and 2 MeV allow use of a low-energy accelerator to provide a compact, portable gamma source of reasonable intensity. The present work provides estimates of ... continued below

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10 p.

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Micklich, B.J.; Fink, C.L.; Sagalovsky, L. & Smith, D.L. December 1, 1996.

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Description

High-energy monoenergetic gamma rays (6.13 and 7.12 MeV) from the decay of excited states of the {sup 16}O* nucleus are highly penetrating and thus offer potential for non-intrusive inspection of loaded containers for narcotics, explosives, and other contraband items. These excited states can be produced by irradiation of water with 14-MeV neutrons from a DT neutron generator or through the {sup 19}F(p,{alpha}){sup 16}O* reaction. Resonances in {sup 19}F(p,{alpha}){sup 16}O* at proton energies between 340 keV and 2 MeV allow use of a low-energy accelerator to provide a compact, portable gamma source of reasonable intensity. The present work provides estimates of gamma source parameters and suggests how various types of contraband could be detected. Gamma rays can be used to perform transmission or emission radiography of containers or other objects. Through the use of ({gamma}, n) and ({gamma}, fission) reactions, this technique is also capable of detecting special nuclear materials such as deuterium, lithium, beryllium, uranium, and plutonium. Analytic and Monte Carlo techniques are used to model empty and loaded container inspection for accelerator-produced gamma, radioisotope, and x-ray sources.

Physical Description

10 p.

Notes

INIS; OSTI as DE97000895

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  • Photonics East `96: International Society for Optical Engineering (SPIE) conference and exhibition on photonic sensors and controls for commercial applications, Boston, MA (United States), 19-21 Nov 1996

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  • Other: DE97000895
  • Report No.: ANL/TD/CP--91500
  • Report No.: CONF-961113--3
  • Grant Number: W-31109-ENG-38
  • DOI: 10.2172/414388 | External Link
  • Office of Scientific & Technical Information Report Number: 414388
  • Archival Resource Key: ark:/67531/metadc684006

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  • December 1, 1996

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  • July 25, 2015, 2:20 a.m.

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  • Dec. 14, 2015, 6:42 p.m.

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Micklich, B.J.; Fink, C.L.; Sagalovsky, L. & Smith, D.L. Contraband detection using high-energy gamma rays from {sup 16}O*, report, December 1, 1996; Illinois. (digital.library.unt.edu/ark:/67531/metadc684006/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.