{sup 252}Cf-source-driven noise analysis measurements with annular high enriched uranium metal castings

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This summary describes measurements performed on four annular uranium metal castings of different enrichments to investigate the use of {sup 252}Cf-source-driven noise analysis measurements as a means to quantify the amount of special nuclear material (SNM) in the casting. Previous measurements and calculational studies have shown that many of the signatures obtained from the source-driven measurement are sensitive to fissile mass. Measurements were performed to assess the applicability of this method to standard annular uranium metal castings at the Oak Ridge Y-12 plant under verification by the International Atomic Energy Agency (IAEA) using the Nuclear Weapons Identification System (NWIS) processor. … continued below

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6 p.

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Valentine, T.E.; Mattingly, J.K. & Mihalczo, J.T. February 23, 1998.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 47 times. More information about this article can be viewed below.

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  • Oak Ridge Y-12 Plant
    Publisher Info: Oak Ridge Y-12 Plant, TN (United States)
    Place of Publication: Tennessee

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Description

This summary describes measurements performed on four annular uranium metal castings of different enrichments to investigate the use of {sup 252}Cf-source-driven noise analysis measurements as a means to quantify the amount of special nuclear material (SNM) in the casting. Previous measurements and calculational studies have shown that many of the signatures obtained from the source-driven measurement are sensitive to fissile mass. Measurements were performed to assess the applicability of this method to standard annular uranium metal castings at the Oak Ridge Y-12 plant under verification by the International Atomic Energy Agency (IAEA) using the Nuclear Weapons Identification System (NWIS) processor. The sensitivity of the measured parameters to fissile mass was investigated using four castings each with a different enrichment. Preliminary results are presented that demonstrate the sensitivity of the measured parameter to fissile mass. However, these preliminary results do not represent an optimized measurement configuration but are intended to demonstrate possible applications of this method.

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6 p.

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INIS; OSTI as DE98057577

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  • International conference on the physics of nuclear science and technology, Long Island, NY (United States), 5-8 Oct 1998

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  • Other: DE98057577
  • Report No.: Y/LB--15,963
  • Report No.: CONF-981003--
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 290904
  • Archival Resource Key: ark:/67531/metadc683202

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  • February 23, 1998

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  • July 25, 2015, 2:20 a.m.

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  • April 8, 2016, 5:53 p.m.

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Valentine, T.E.; Mattingly, J.K. & Mihalczo, J.T. {sup 252}Cf-source-driven noise analysis measurements with annular high enriched uranium metal castings, article, February 23, 1998; Tennessee. (https://digital.library.unt.edu/ark:/67531/metadc683202/: accessed May 15, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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