NMIS Time Correlations for Determining the Shape of Plutonium Using Second Order Statistics

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Description

The Nuclear Materials Identification System (NMIS) detector-detector cross correlation signatures collected from passive measurements for plutonium assemblies are highly sensitive to its position with respect to the detectors. This position sensitivity coupled with an optimum configuration of four detectors about the assembly can theoretically be used to extract the shape distribution of the {sup 240}Pu in the assembly. This process is currently being simulated at the Oak Ridge National Laboratory by using four detectors arranged in a tetrahedron and {sup 252}Cf sources as surrogates for the {sup 240}Pu.

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Chiang, L.G. July 11, 2001.

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Description

The Nuclear Materials Identification System (NMIS) detector-detector cross correlation signatures collected from passive measurements for plutonium assemblies are highly sensitive to its position with respect to the detectors. This position sensitivity coupled with an optimum configuration of four detectors about the assembly can theoretically be used to extract the shape distribution of the {sup 240}Pu in the assembly. This process is currently being simulated at the Oak Ridge National Laboratory by using four detectors arranged in a tetrahedron and {sup 252}Cf sources as surrogates for the {sup 240}Pu.

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  • Institute of Nuclear Materials Management, Indian Wells, CA (US), 07/15/2001--07/19/2001

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  • Report No.: P01-111185
  • Grant Number: AC05-00OR22725
  • Office of Scientific & Technical Information Report Number: 788613
  • Archival Resource Key: ark:/67531/metadc716147

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  • July 11, 2001

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

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  • March 22, 2016, 9:39 p.m.

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Chiang, L.G. NMIS Time Correlations for Determining the Shape of Plutonium Using Second Order Statistics, article, July 11, 2001; Tennessee. (digital.library.unt.edu/ark:/67531/metadc716147/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.