Calculational methods used to obtain evaluated data above 3 MeV

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Calculational methods used to provide evaluated neutron data for nuclei between A = 19 and 220 at incident energies above several MeV range from empirical techniques based on cross-section systematics to sophisticated nuclear-model codes that describe the major mechanisms governing neutron reactions in this mass and energy range. Examples of empirical approaches are given along with discussion concerning regions of applicability and accuracies that can be expected. The application of more sophisticated nuclear models (Hauser-Feshbach statistical, preequilibrium, and direct-reaction theories) is discussed, particularly with regard to improved parameter determinations that can be used in such calculations. Efforts to improve the ... continued below

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Pages: 38

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Arthur, E.D. January 1, 1980.

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Calculational methods used to provide evaluated neutron data for nuclei between A = 19 and 220 at incident energies above several MeV range from empirical techniques based on cross-section systematics to sophisticated nuclear-model codes that describe the major mechanisms governing neutron reactions in this mass and energy range. Examples of empirical approaches are given along with discussion concerning regions of applicability and accuracies that can be expected. The application of more sophisticated nuclear models (Hauser-Feshbach statistical, preequilibrium, and direct-reaction theories) is discussed, particularly with regard to improved parameter determinations that can be used in such calculations. Efforts to improve the consistency and to unify these theoretical approaches are addressed along with benefits to evaluated data that can be realized through careful application of such nuclear-model techniques. 76 references, 13 figures, 3 tables.

Physical Description

Pages: 38

Notes

NTIS, PC A03/MF A01.

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  • Workshop on nuclear data evaluation methods and procedures, Upton, NY, USA, 22 Sep 1980

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  • Report No.: LA-UR-80-2674
  • Report No.: CONF-800979-3
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 5045022
  • Archival Resource Key: ark:/67531/metadc1061819

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Office of Scientific & Technical Information Technical Reports

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Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • January 1, 1980

Added to The UNT Digital Library

  • Jan. 22, 2018, 7:23 a.m.

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  • Feb. 2, 2018, 3:03 p.m.

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Arthur, E.D. Calculational methods used to obtain evaluated data above 3 MeV, article, January 1, 1980; New Mexico. (digital.library.unt.edu/ark:/67531/metadc1061819/: accessed September 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.