Importance of level structure in nuclear reaction cross-section calculations. Revision 1

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It is shown that level-density expressions cannot adequately represent or substitute for level structure information when making calculations of the Hauser-Feshbach type for cross sections or isomer-ratios for nuclei in the first few MeV above their ground state. It is stated that such discrete level information should include both experimentally confirmed and theoretically predicted levels. The utility of discrete level information to optimize level density calculations, to compute isomer ratios, in deriving dipole strength functions, and in the analysis of primary gamma ray spectra is emphasized, especially for nuclei far from the line of stability. 29 refs., 12 figs., 6 ... continued below

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Pages: 16

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Gardner, M.A. & Gardner, D.G. November 7, 1985.

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It is shown that level-density expressions cannot adequately represent or substitute for level structure information when making calculations of the Hauser-Feshbach type for cross sections or isomer-ratios for nuclei in the first few MeV above their ground state. It is stated that such discrete level information should include both experimentally confirmed and theoretically predicted levels. The utility of discrete level information to optimize level density calculations, to compute isomer ratios, in deriving dipole strength functions, and in the analysis of primary gamma ray spectra is emphasized, especially for nuclei far from the line of stability. 29 refs., 12 figs., 6 tabs. (DWL)

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Pages: 16

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NTIS, PC A02/MF A01.

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  • 190. American Chemical Society national meeting, Chicago, IL, USA, 8 Sep 1985

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  • Other: DE86009603
  • Report No.: UCRL-92492-Rev.1
  • Report No.: CONF-850942-54-Rev.1
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 5793508
  • Archival Resource Key: ark:/67531/metadc1102484

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Office of Scientific & Technical Information Technical Reports

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  • November 7, 1985

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  • Feb. 18, 2018, 3:59 p.m.

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  • April 27, 2018, 4:35 p.m.

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Gardner, M.A. & Gardner, D.G. Importance of level structure in nuclear reaction cross-section calculations. Revision 1, article, November 7, 1985; [Livermore,] California. (digital.library.unt.edu/ark:/67531/metadc1102484/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.