A program to obtain reliable photoabsorption cross sections

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A program to obtain reliable photoabsorption cross sections for a broad range of elements has been initiated at Lawrence Livermore National Laboratory. Using well-characterized samples, absolute measurements have been made with overall uncertainties of /+-/10% or less over energy ranges from about 50 eV to several keV, at several synchrotron radiation facilities. More than a dozen elements have been investigated and other measurements are being planned for elements beryllium (Z-4) through uranium (Z-92). Among the interesting phenomena observed are the resonances/enhancements which seem to accompany virtually every inner shell threshold. Specific examples discussed in this paper include carbon, nickel and ... continued below

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Pages: 6

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Del Grande, N.K. & Tirsell, K.G. January 1, 1988.

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A program to obtain reliable photoabsorption cross sections for a broad range of elements has been initiated at Lawrence Livermore National Laboratory. Using well-characterized samples, absolute measurements have been made with overall uncertainties of /+-/10% or less over energy ranges from about 50 eV to several keV, at several synchrotron radiation facilities. More than a dozen elements have been investigated and other measurements are being planned for elements beryllium (Z-4) through uranium (Z-92). Among the interesting phenomena observed are the resonances/enhancements which seem to accompany virtually every inner shell threshold. Specific examples discussed in this paper include carbon, nickel and uranium. Comparison with theory and existing data compilations/data bases indicate the need for substantial theoretical and compilation improvements. 24 refs., 6 figs.

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Pages: 6

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NTIS, PC A02; 3.

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  • SPIE O-E Lase '88: optoelectronics and laser applications in science and engineering, Los Angeles, CA, USA, 10 Jan 1988

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  • Other: DE88008904
  • Report No.: UCRL-96792
  • Report No.: CONF-880110-30
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 5051854
  • Archival Resource Key: ark:/67531/metadc1053354

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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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  • January 1, 1988

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  • Jan. 22, 2018, 7:23 a.m.

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  • Jan. 31, 2018, 6:35 p.m.

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Del Grande, N.K. & Tirsell, K.G. A program to obtain reliable photoabsorption cross sections, article, January 1, 1988; California. (digital.library.unt.edu/ark:/67531/metadc1053354/: accessed September 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.