Time and frequency domain measurements for plutonium metal rings

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The {sup 252}Cf-source-driven noise analysis method was used to measure the neutron multiplication factor for subcritical systems and to identify fissionable materials and configurations. These measurements with the moderator-ring configuration have shown that the {sup 252}Cf-source-driven noise methods, both in the time and frequency domain, can be used to identify and distinguish the {sup 242}Pu from the {sup 239}Pu ring. Signatures for each ring can be used to track and confirm the presence of these two types of Pu rings. Because of the sensitivity of these signatures to mass, these measurements can also confirm the Pu mass. These preliminary measurements ... continued below

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8 p.

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Mihalczo, J. T.; Pare, V. K.; Blakeman, E. D.; Valentine, T. E.; Vessard, S. & Pruvost, N. L. September 1996.

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Description

The {sup 252}Cf-source-driven noise analysis method was used to measure the neutron multiplication factor for subcritical systems and to identify fissionable materials and configurations. These measurements with the moderator-ring configuration have shown that the {sup 252}Cf-source-driven noise methods, both in the time and frequency domain, can be used to identify and distinguish the {sup 242}Pu from the {sup 239}Pu ring. Signatures for each ring can be used to track and confirm the presence of these two types of Pu rings. Because of the sensitivity of these signatures to mass, these measurements can also confirm the Pu mass. These preliminary measurements have not yet explored the full range of capability of this method for this application.

Physical Description

8 p.

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INIS; OSTI as DE96015035

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  • 37. annual meeting of the Institute of Nuclear Materials Management, Naples, FL (United States), 28 Jul - 1 Aug 1996

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  • Other: DE96015035
  • Report No.: CONF-960767--65
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 379047
  • Archival Resource Key: ark:/67531/metadc685694

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  • September 1996

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  • July 25, 2015, 2:20 a.m.

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  • Jan. 22, 2016, 6:58 p.m.

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Mihalczo, J. T.; Pare, V. K.; Blakeman, E. D.; Valentine, T. E.; Vessard, S. & Pruvost, N. L. Time and frequency domain measurements for plutonium metal rings, article, September 1996; Tennessee. (digital.library.unt.edu/ark:/67531/metadc685694/: accessed September 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.