Multiple-Coincidence Active Neutron Interrogation of Fissionable Materials [electronic resource]
Active Interrogation, Fissile Materials, Neutrons.
Saved in:
| Online Access: |
Online Access |
|---|---|
| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C. : Oak Ridge, Tenn. :
United States. Department of Energy. ; distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
2008.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a Multiple-Coincidence Active Neutron Interrogation of Fissionable Materials |h [electronic resource] |
| 260 | |a Washington, D.C. : |b United States. Department of Energy. ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, |c 2008. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through SciTech Connect. | ||
| 500 | |a 11/14/2008. | ||
| 500 | |a "doe/nv/25946--580" | ||
| 500 | |a Health Physics Society, January 31 - February 3, 2009, San Antonio, Texas. | ||
| 500 | |a Tinsley, J.R., Hurley, J.P., Trainham, R. | ||
| 500 | |a National Security Technologies, LLC (United States) | ||
| 520 | 3 | |a In an extension of the Associated Particle Imaging technique that is used for the detection and imaging of hidden explosives, the present measurements use a beam of tagged 14.1 MeV neutrons in coincidence with two or more gammas to probe for the presence of fissionable materials. We have measured neutron-gamma-gamma coincidences with targets of depleted uranium, tungsten, lead, iron, and carbon and will present results that show the multiple-coincidence counting rate for the depleted uranium is substantially higher than any of the non-fissionable materials. In addition, the presence of coincidences involving delayed particle spectra provides a signature for fissionable materials that is distinct from that for non-fissionable ones. Information from the tagged neutron involved in the coincidence event is used to compute the position of the fissionable material in all three dimensions. The result is an imaging probe for fissionable materials that is compact and portable, and produces relatively low levels of background radiation. Simultaneous measurements on packages of interest for both explosives and fissionable materials are now feasible. | |
| 520 | 0 | |a Active Interrogation, Fissile Materials, Neutrons. | |
| 536 | |b DE-AC52-06NA25946. | ||
| 650 | 7 | |a Background Radiation. |2 local. | |
| 650 | 7 | |a Carbon. |2 local. | |
| 650 | 7 | |a Depleted Uranium. |2 local. | |
| 650 | 7 | |a Detection. |2 local. | |
| 650 | 7 | |a Counting Rates. |2 local. | |
| 650 | 7 | |a Dimensions. |2 local. | |
| 650 | 7 | |a Explosives. |2 local. | |
| 650 | 7 | |a Fissionable Materials. |2 local. | |
| 650 | 7 | |a Iron. |2 local. | |
| 650 | 7 | |a Neutrons. |2 local. | |
| 650 | 7 | |a Probes. |2 local. | |
| 650 | 7 | |a Radiation Protection. |2 local. | |
| 650 | 7 | |a Spectra. |2 local. | |
| 650 | 7 | |a Targets. |2 local. | |
| 650 | 7 | |a Tungsten. |2 local. | |
| 650 | 7 | |a Instrumentation Related To Nuclear Science And Technology. |2 edbsc. | |
| 710 | 1 | |a United States. |b Department of Energy. |4 spn. | |
| 710 | 1 | |a United States. |b National Nuclear Security Administration. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
| 856 | 4 | 0 | |u http://www.osti.gov/scitech/biblio/992605 |z Online Access |
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