Relativistic calculations of K-, L- and M-shell X-ray production cross -sections by electron impact for Ne, Ar, Kr, Xe, Rn and Uuo

J.M. Sampaio, T. I. Madeira, F. Parente, P. Indelicato, J. P. Santos, J. P. Marques, Mauro Guerra

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

In this work, we derive X-ray production cross-sections from electron-impact ionization cross sections for Ne, Ar, Kr, Xe, Rn, and Uuo, calculated in the modified relativistic binary-encounter-Bethe model, and using as the only input parameter the binding energies obtained in the Dirac-Fock approach. Radiative and radiationless transition probabilities necessary to compute the inter- and intra-shell atomic yields were calculated in the same approach. Shell electron-impact ionization cross-sections and X-ray production cross-sections are compared with the corresponding cross-sections retrieved from the National Institute of Standards and Technology Reference Database and available experimental data. (C) 2016 Elsevier Ltd. All rights reserved.

Original languageEnglish
Pages (from-to)87-93
Number of pages7
JournalJournal Of Quantitative Spectroscopy & Radiative Transfer
Volume182
DOIs
Publication statusPublished - Oct 2016

Keywords

  • Electron-impact ionization
  • X-ray production
  • Cross-sections
  • Dirac-Fock calculations
  • DIRAC-FOCK CALCULATIONS
  • ATOMIC SCREENING CONSTANTS
  • SINGLE IONIZATION
  • COLLISION-THEORY
  • SCF FUNCTIONS
  • IONS
  • TARGETS
  • FLUORESCENCE
  • RADIATION
  • HYDROGEN

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