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Title: Measurements of absolute K -shell ionization cross sections and L -shell x-ray production cross sections of Ge by electron impact
Author: Merlet, C.
Llovet Ximenes, Xavier
Salvat Gavaldà, Francesc
Keywords: Electrons
Dispersió (Física nuclear)
Espectroscòpia de raigs X
Scattering (Physics)
X-ray spectroscopy
Issue Date: 2004
Publisher: The American Physical Society
Abstract: Results from measurements of absolute K -shell ionization cross sections and L α x-ray production cross sections of Ge by impact of electrons with kinetic energies ranging from the ionization threshold up to 40 keV are presented. The cross sections were obtained by measuring K α and L α x-ray intensities emitted from ultrathin Ge films deposited onto self-supporting carbon backing films. Recorded x-ray intensities were converted to absolute cross sections by using estimated values of the sample thicknesses, the number of incident electrons, and the detector efficiency. Experimental data are compared with the results of widely used simple analytical formulas, with calculated cross sections obtained from the plane-wave and distorted-wave Born approximations and with experimental data from the literature.
Note: Reproducció digital del document publicat en format paper, proporcionada per PROLA i
It is part of: Physical Review A, 2004, vol. 69, núm. 3, p. 032708.
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ISSN: 1050-2947
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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