Active neutron multiplicity analysis and Monte Carlo calculations

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Active neutron multiplicity measurements of high-enrichment uranium metal and oxide samples have been made at Los Alamos and Y-12. The data from the measurements of standards at Los Alamos were analyzed to obtain values for neutron multiplication and source-sample coupling. These results are compared to equivalent results obtained from Monte Carlo calculations. An approximate relationship between coupling and multiplication is derived and used to correct doubles rates for multiplication and coupling. The utility of singles counting for uranium samples is also examined.

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7 p.

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Krick, M. S.; Ensslin, N.; Langner, D. G.; Miller, M. C.; Siebelist, R.; Stewart, J. E. et al. August 1, 1994.

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Active neutron multiplicity measurements of high-enrichment uranium metal and oxide samples have been made at Los Alamos and Y-12. The data from the measurements of standards at Los Alamos were analyzed to obtain values for neutron multiplication and source-sample coupling. These results are compared to equivalent results obtained from Monte Carlo calculations. An approximate relationship between coupling and multiplication is derived and used to correct doubles rates for multiplication and coupling. The utility of singles counting for uranium samples is also examined.

Physical Description

7 p.

Notes

INIS; OSTI as DE94016178; Paper copy available at OSTI: phone, 865-576-8401, or email, reports@adonis.osti.gov

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  • 35. annual meeting of the Institute of Nuclear Materials Management (INMM),Naples, FL (United States),17-20 Jul 1994

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  • Other: DE94016178
  • Report No.: LA-UR--94-2440
  • Report No.: CONF-940748--63
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 10171560
  • Archival Resource Key: ark:/67531/metadc1385500

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Office of Scientific & Technical Information Technical Reports

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  • August 1, 1994

Added to The UNT Digital Library

  • Nov. 28, 2018, 2:33 p.m.

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  • Dec. 6, 2018, 4:48 p.m.

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Krick, M. S.; Ensslin, N.; Langner, D. G.; Miller, M. C.; Siebelist, R.; Stewart, J. E. et al. Active neutron multiplicity analysis and Monte Carlo calculations, article, August 1, 1994; New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc1385500/: accessed March 26, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.