R-matrix analysis of the {sup 240}Pu neutron cross sections in the thermal to 5700 eV energy range

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Resonance analysis of high resolution neutron transmission data and of fission cross sections were performed in the neutron energy range from the thermal regions to 5,700 eV by using the Reich-Moore Bayesian code SAMMY. The experimental data base is described and the method of analysis is given. The experimental data were carefully examined in order to identify more resonances than those found in the current evaluated data files. The statistical properties of the resonance parameters are given. A new set of the average values of the parameters is proposed, which could be used for calculation of the average cross sections ... continued below

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57 p.

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Derrien, H.; Bouland, O.; Larson, N.M. & Leal, L.C. August 1, 1997.

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  • Derrien, H. OECD, Paris (France). Nuclear Energy Agency Data Bank
  • Bouland, O. Commissariat Energie Atomique, Saint Paul-lez-Durance (France). Centre d`Etudes
  • Larson, N.M.
  • Leal, L.C. Oak Ridge National Lab., TN (United States)

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Description

Resonance analysis of high resolution neutron transmission data and of fission cross sections were performed in the neutron energy range from the thermal regions to 5,700 eV by using the Reich-Moore Bayesian code SAMMY. The experimental data base is described and the method of analysis is given. The experimental data were carefully examined in order to identify more resonances than those found in the current evaluated data files. The statistical properties of the resonance parameters are given. A new set of the average values of the parameters is proposed, which could be used for calculation of the average cross sections in the unresolved resonance region. The resonance parameters are available IN ENDF-6 format at the national or international data centers.

Physical Description

57 p.

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INIS; OSTI as DE98005996

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  • Other Information: PBD: Aug 1997

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  • Other: DE98005996
  • Report No.: ORNL/TM--13450
  • Grant Number: AC05-96OR22464
  • DOI: 10.2172/631268 | External Link
  • Office of Scientific & Technical Information Report Number: 631268
  • Archival Resource Key: ark:/67531/metadc689682

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Creation Date

  • August 1, 1997

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • Jan. 20, 2016, 3:34 p.m.

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Derrien, H.; Bouland, O.; Larson, N.M. & Leal, L.C. R-matrix analysis of the {sup 240}Pu neutron cross sections in the thermal to 5700 eV energy range, report, August 1, 1997; Tennessee. (digital.library.unt.edu/ark:/67531/metadc689682/: accessed December 12, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.