11 July 1988 A Program To Obtain Reliable Photoabsorption Cross Sections
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Proceedings Volume 0911, X-Ray and Vacuum Ultraviolet Interaction Data Bases, Calculations, and Measurements; (1988) https://doi.org/10.1117/12.945468
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States
Abstract
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.
© (1988) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Nancy Kerr Del Grande, Nancy Kerr Del Grande, K.Glenn Tirsell, K.Glenn Tirsell, } "A Program To Obtain Reliable Photoabsorption Cross Sections", Proc. SPIE 0911, X-Ray and Vacuum Ultraviolet Interaction Data Bases, Calculations, and Measurements, (11 July 1988); doi: 10.1117/12.945468; https://doi.org/10.1117/12.945468
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