Calculation of electron-impact ionization cross sections: Bottom-up inductive vs. top-down deductive approaches

H. Deutsch, F. X. Bronold, K. Becker

Research output: Contribution to journalArticle


This paper attempts to elucidate the relationship between bottom-up inductive and top-down deductive approaches to the calculation of electron-impact ionization cross sections for atoms. Specifically, the ionization cross sections for atomic hydrogen and helium derived from the various approaches are compared in detail.

Original languageEnglish (US)
Pages (from-to)128-139
Number of pages12
JournalInternational Journal of Mass Spectrometry
StatePublished - May 15 2014



  • Electron collisions
  • Helium
  • Hydrogen
  • Ionization cross sections

ASJC Scopus subject areas

  • Instrumentation
  • Condensed Matter Physics
  • Spectroscopy
  • Physical and Theoretical Chemistry

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