Calculated Cross Sections for Double and Triple Ionization of Atoms by Electron Impact

H. Deutsch, Kurt Becker, T. D. Märk

Research output: Contribution to journalArticle

Abstract

The semi‐empirical Deutsch‐Märk (DM) formalism for the calculation of absolute cross sections for the single ionization of atoms has been extended to the calculation of cross sections for the double and triple ionization of ground state atoms. Detailed comparisons are made with available experimental data from threshold to 200 eV. In general, we find good agreement between the present calculations and the available experimental data. On that basis, we feel confident that the present formalism can be applied to predict double and triple ionization cross sections for those atoms, for which no experimental data are currently available, with an accuracy in the 30–50% range for impact energies where direct ionization processes dominate and where contributions from tightly bound inner shells can be neglected. This level of precision should be sufficient for modelling purposes and many other practical applications.

Original languageEnglish (US)
Pages (from-to)421-431
Number of pages11
JournalContributions to Plasma Physics
Volume35
Issue number4-5
DOIs
StatePublished - 1995

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electron impact
ionization
cross sections
formalism
atoms
ionization cross sections
ground state
thresholds
energy

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Calculated Cross Sections for Double and Triple Ionization of Atoms by Electron Impact. / Deutsch, H.; Becker, Kurt; Märk, T. D.

In: Contributions to Plasma Physics, Vol. 35, No. 4-5, 1995, p. 421-431.

Research output: Contribution to journalArticle

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