ENDF/B-VI chlorine evaluation is deficient

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The criticality safety evaluations for the Fuel Cycle Facility Electrorefiner at Argonne-West were reviewed at Oak Ridge National Laboratory (ORNL) to help provide insight into problems that may be caused by inadequate cross-section data. The adequacy of ENDF/B chlorine was questioned because the evaluation was done in 1967 and is a nonresonance material even though chlorine has resonance structure. There are no validation experiments which are similar to the system being analyzed. The analysis strongly suggests that the ENDF/B-VI data for natural chlorine, MAT 1700, are not adequate for all criticality safety applications and must be considered to be deficient ... continued below

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6 p.

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Wright, R.Q. & Jordan, W.C. September 1, 1995.

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Description

The criticality safety evaluations for the Fuel Cycle Facility Electrorefiner at Argonne-West were reviewed at Oak Ridge National Laboratory (ORNL) to help provide insight into problems that may be caused by inadequate cross-section data. The adequacy of ENDF/B chlorine was questioned because the evaluation was done in 1967 and is a nonresonance material even though chlorine has resonance structure. There are no validation experiments which are similar to the system being analyzed. The analysis strongly suggests that the ENDF/B-VI data for natural chlorine, MAT 1700, are not adequate for all criticality safety applications and must be considered to be deficient for this reason. This conclusion was reached by comparing several different XSDRNPM calculations using the ENDF/B chlorine evaluation with the same calculation using the JENDL-3.2 chlorine evaluation. All the other cross sections in these calculations are taken from ENDF/B-VI; only the chlorine cross sections were changed.

Physical Description

6 p.

Notes

INIS; OSTI as DE95017457

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  • 5. international conference on nuclear criticality safety, Albuquerque, NM (United States), 17-22 Sep 1995

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  • Other: DE95017457
  • Report No.: CONF-9509100--13
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 102259
  • Archival Resource Key: ark:/67531/metadc627361

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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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  • September 1, 1995

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Jan. 21, 2016, 8:10 p.m.

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Wright, R.Q. & Jordan, W.C. ENDF/B-VI chlorine evaluation is deficient, article, September 1, 1995; Tennessee. (digital.library.unt.edu/ark:/67531/metadc627361/: accessed April 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.