Evaluation of the /sup 232/Th neutron capture cross section above 3 keV

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This memo describes an evaluation of the /sup 232/Th neutron capture cross section in the neutron energy range from 3 keV to 20 MeV. Most existing differential measurements are reviewed, and some data are renormalized to current values of the standards. Several experimentally determined sets of average resonance parameters are also discussed. From 3 to 50 keV the evaluated cross section is described by a set of average statistical resonance parameters. Above 50 keV the evaluated capture cross section is a smooth curve which follows the trend of the most recent measurements. The evaluated capture cross section is compared with ... continued below

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Pages: 52

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de Saussure, G. & Macklin, R.L. December 1, 1977.

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Description

This memo describes an evaluation of the /sup 232/Th neutron capture cross section in the neutron energy range from 3 keV to 20 MeV. Most existing differential measurements are reviewed, and some data are renormalized to current values of the standards. Several experimentally determined sets of average resonance parameters are also discussed. From 3 to 50 keV the evaluated cross section is described by a set of average statistical resonance parameters. Above 50 keV the evaluated capture cross section is a smooth curve which follows the trend of the most recent measurements. The evaluated capture cross section is compared with many measurements and uncertainty estimates are given.

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Pages: 52

Notes

Dep. NTIS, PC A04/MF A01.

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  • Report No.: ORNL/TM-6161
  • Grant Number: W-7405-ENG-26
  • DOI: 10.2172/5080086 | External Link
  • Office of Scientific & Technical Information Report Number: 5080086
  • Archival Resource Key: ark:/67531/metadc1053610

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Office of Scientific & Technical Information Technical Reports

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  • December 1, 1977

Added to The UNT Digital Library

  • Jan. 22, 2018, 7:23 a.m.

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  • Feb. 1, 2018, 6:07 p.m.

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de Saussure, G. & Macklin, R.L. Evaluation of the /sup 232/Th neutron capture cross section above 3 keV, report, December 1, 1977; Tennessee. (digital.library.unt.edu/ark:/67531/metadc1053610/: accessed May 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.