A re-evaluation of /sup 32/S(n,p) cross sections from threshold to 5 MeV

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Two evaluations of the /sup 32/S(n,p) reaction cross sections, currently being used for the Nagasaki and Hiroshima dosimetry studies, yielded results that differ significantly. These two evaluations were reviewed and both were found to be quite old and without benefit of modern theoretical guidance and recent experimental data, hence inadequate in view of its relative importance for the present application. The necessity for a re-evaluation is further enhanced by the fact that: the present data search has uncovered a relatively high-quality data set that was not known previously, a generalized Bayes-theorem code is now available for averaging the various data ... continued below

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Pages: 7

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Fu, C.Y. January 1, 1989.

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Two evaluations of the /sup 32/S(n,p) reaction cross sections, currently being used for the Nagasaki and Hiroshima dosimetry studies, yielded results that differ significantly. These two evaluations were reviewed and both were found to be quite old and without benefit of modern theoretical guidance and recent experimental data, hence inadequate in view of its relative importance for the present application. The necessity for a re-evaluation is further enhanced by the fact that: the present data search has uncovered a relatively high-quality data set that was not known previously, a generalized Bayes-theorem code is now available for averaging the various data sets with uncertainties and generating uncertainties for the results, effects on data combination of differing energy resolution in the various measurements can now be accounted for, and the ENDF/B-VI standards for /sup 238/U(n,f) cross sections have become available for renormalizing two of the available data sets. The re-evaluation is performed to 5 MeV, the upper energy limit for the present purpose. 8 refs., 2 figs.

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Pages: 7

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NTIS, PC A02/MF A01 - OSTI; 1.

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  • Advances in nuclear engineering computation and radiation shielding, Santa Fe, NM, USA, 9 Apr 1989

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  • Other: DE88016347
  • Report No.: CONF-890408-1
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 6446173
  • Archival Resource Key: ark:/67531/metadc1209256

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1989

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  • July 5, 2018, 11:11 p.m.

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  • Oct. 19, 2018, 12:58 p.m.

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Fu, C.Y. A re-evaluation of /sup 32/S(n,p) cross sections from threshold to 5 MeV, article, January 1, 1989; United States. (digital.library.unt.edu/ark:/67531/metadc1209256/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.