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Zeitschriftenartikel:

H. Ebel, R. Svagera, M. Ebel, A. A. Shaltout, J.H. Hubbell:
"Numerical description of photoelectric absorption coefficients for fundamental parameter programs";
X-Ray Spectrometry, 32 (2003), S. 442 - 451.



Kurzfassung englisch:
Numerical description of photoelectric absorption coefficients for fundamental parameter programs
Horst Ebel 1 *, Robert Svagera 1, Maria F. Ebel 1, Abdallah Shaltout 2, John H. Hubbell 3
1Institut für Festkörperphysik, Vienna University of Technology, Vienna, Austria
2National Research Center, Spectroscopy Department, Dokki, Cairo, Egypt
311830 Rocking Horse Road, Rockville, Maryland 20852, USA
email: Horst Ebel (horst.ebel@tuwien.ac.at)

*Correspondence to Horst Ebel, Institut für Festkörperphysik, Vienna University of Technology, Vienna, Austria.

Abstract
After a systematic analysis of different databases and a comparison with empirical data, we decided to describe photoelectric absorption coefficients, coherent and incoherent scattering coefficients and mass attenuation coefficients in the energy range from 1 to 300 keV for elements from Z = 1 to 94 by a modified version of Scofield's tables in combination with scattering coefficients from Elam et al. Modifications include check and correction of edge positions, description of M4- and M5 -ranges of elements from promethium upwards by sawtooth responses and reduction of data by introduction of least-squares fits of fifth order to Scofield's and Elam et al.'s numerical data. Our database was developed especially for application in fundamental parameter programs for quantitative x-ray analysis (XRFA, EPMA, XPS and TEY). Copyright © 2003 John Wiley & Sons, Ltd.


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Elektronische Version der Publikation:
http://www3.interscience.wiley.com/cgi-bin/abstract/106056828/ABSTRACT


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