Elastic electron differential cross sections for argon atom in the intermediate energy range from 40 eV to 300 eV

Miloš Lj Ranković, Jelena B. Maljković, K. Tőkési, Bratislav P. Marinković

Research output: Contribution to journalArticle

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Abstract

Abstract: Measurements and calculations for electron elastic differential cross sections (DCS) of argon atom in the energy range from 40 to 300 eV are presented. DCS have been measured in the crossed beam arrangement of the electron spectrometer with an energy resolution of 0.5 eV and angular resolution of 1.5 in the range of scattering angles from 20 to 126. Both angular behaviour and energy dependence of DCS are obtained in a separate sets of experiments, while the absolute scale is achieved via relative flow method, using helium as a reference gas. All data is corrected for the energy transmission function, changes of primary electron beam current and target pressure, and effective path length (volume correction). DCSs are calculated in relativistic framework by expressing the Mott’s cross sections in partial wave expansion. Our results are compared with other available data. Graphical abstract: [Figure not available: see fulltext.].

Original languageEnglish
Article number30
JournalEuropean Physical Journal D
Volume72
Issue number2
DOIs
Publication statusPublished - Feb 1 2018

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argon
cross sections
atoms
electrons
energy
angular resolution
beam currents
elastic waves
helium
electron beams
spectrometers
scattering
gases

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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Elastic electron differential cross sections for argon atom in the intermediate energy range from 40 eV to 300 eV. / Ranković, Miloš Lj; Maljković, Jelena B.; Tőkési, K.; Marinković, Bratislav P.

In: European Physical Journal D, Vol. 72, No. 2, 30, 01.02.2018.

Research output: Contribution to journalArticle

Ranković, Miloš Lj ; Maljković, Jelena B. ; Tőkési, K. ; Marinković, Bratislav P. / Elastic electron differential cross sections for argon atom in the intermediate energy range from 40 eV to 300 eV. In: European Physical Journal D. 2018 ; Vol. 72, No. 2.
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