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Measurements of absolute K -shell ionization cross sections and L -shell x-ray production cross sections of Ge by electron impact
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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.
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MERLET, C., LLOVET XIMENES, Xavier, SALVAT GAVALDÀ, Francesc. Measurements of absolute K -shell ionization cross sections and L -shell x-ray production cross sections of Ge by electron impact. _Physical Review A_. 2004. Vol. 69, núm. 3, pàgs. 032708. [consulta: 28 de desembre de 2025]. ISSN: 1050-2947. [Disponible a: https://hdl.handle.net/2445/9642]