Absolute Double-Differential Cross Sections of Ultrasoft Isochromatic X-ray Radiation in Electron Scattering on Atoms

We calculate double-differential cross sections of ultrasoft X-ray bremsstrahlung in electron scattering by Ar, Kr, and Xe atoms in the soft-photon approximation. The calculations are done for the isochromatic spectra (i.e., dependence on the electron energy at a fixed photon energy of 165 and 177 e...

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Bibliographic Details
Published in:Atoms 2022-09, Vol.10 (3), p.86
Main Authors: Kornev, Aleksei S., Zon, Boris A., Chernov, Vladislav E., Amusia, Miron Ya, Kubelík, Petr, Ferus, Martin
Format: Article
Language:English
Subjects:
Approximation
Argon
Atoms & subatomic particles
Bremsstrahlung
Electron energy
Electrons
Energy
Experiments
isochromatic spectra
Krypton
Mathematical analysis
Monte Carlo simulation
Nuclear cross sections
Photons
Qualitative analysis
Radiation
Scattering
Spectra
ultrasoft X-ray bremsstrahlung
Validity
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Summary:We calculate double-differential cross sections of ultrasoft X-ray bremsstrahlung in electron scattering by Ar, Kr, and Xe atoms in the soft-photon approximation. The calculations are done for the isochromatic spectra (i.e., dependence on the electron energy at a fixed photon energy of 165 and 177 eV). The results are consistent with the absolute values of the differential cross sections measured by Gnatchenko et al. (Phys. Rev. A 80, 022707 (2009)) for the above-mentioned photon energies. For low electron energies, our theoretical isochromatic spectra are in quantitative agreement with the experimental data for Ar. For Kr, the agreement is qualitative while agreement with the Xe data is poor.
ISSN:2218-2004
2218-2004
DOI:10.3390/atoms10030086