Criticality measurements for control and accountability of fissile materials on critical assemblies

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Operational critical assemblies are subject to the same standards of materials control and accountability (MC and A) as other fissile materials. Typically these assemblies are not easily dismantled and the fuel components cannot be inventoried by traditional methods of destructive or non-destructive materials assay. Because of the large mass or unusual geometry of the fuel components these parts are often categorized as difficult-to-measure (DTM) items. The use of criticality to infer fissile inventory, in conjunction with physical security and two-person control procedures, provides accurate and cost-effective MC and A for these large critical assembly components. This method is being implemented ... continued below

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5 p.

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Paternoster, R.; Kompaniets, G. & Polyakov, D. May 1, 1997.

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Description

Operational critical assemblies are subject to the same standards of materials control and accountability (MC and A) as other fissile materials. Typically these assemblies are not easily dismantled and the fuel components cannot be inventoried by traditional methods of destructive or non-destructive materials assay. Because of the large mass or unusual geometry of the fuel components these parts are often categorized as difficult-to-measure (DTM) items. The use of criticality to infer fissile inventory, in conjunction with physical security and two-person control procedures, provides accurate and cost-effective MC and A for these large critical assembly components. This method is being implemented at the Los Alamos Critical Experiments Facility (LACEF) and at several national nuclear research centers in Russia.

Physical Description

5 p.

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INIS; OSTI as DE97003367

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  • ARS `97: American Nuclear Society (ANS) international meeting on advanced reactors safety, Orlando, FL (United States), 1-5 Jun 1997

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  • Other: DE97003367
  • Report No.: LA-UR--97-57
  • Report No.: CONF-970607--22
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 474907
  • Archival Resource Key: ark:/67531/metadc680485

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • May 1, 1997

Added to The UNT Digital Library

  • July 25, 2015, 2:21 a.m.

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  • Feb. 25, 2016, 2:23 p.m.

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Paternoster, R.; Kompaniets, G. & Polyakov, D. Criticality measurements for control and accountability of fissile materials on critical assemblies, article, May 1, 1997; New Mexico. (digital.library.unt.edu/ark:/67531/metadc680485/: accessed April 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.