Spectroscopic investigations of L-shell ionization in heavy elements by electron impact

H. V. Rahangdale, D. Mitra, P. K. Das, S. De, J. P. Santos, S. Saha, Mauro Guerra

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The absolute L subshell specific electron impact ionization cross sections near the ionization threshold (16 <E<45 keV) of lead and thorium are obtained from the measured L X-ray production cross sections. Monte Carlo simulation is done to account for the effect of the backscattered electrons, and the final experimental results are compared with calculations performed using distorted wave Born approximation and the modified relativistic binary encounter Bethe model. The sensitivity of the results on the atomic parameters is explored. Observed agreements and discrepancies between the experimental results and theoretical estimates, and their dependence on the specific atomic parameters are reported.

Original languageEnglish
Pages (from-to)79-87
Number of pages9
JournalJournal Of Quantitative Spectroscopy & Radiative Transfer
Volume174
DOIs
Publication statusPublished - 1 May 2016

Keywords

  • Electron impact
  • Electron transport simulation
  • Inner shell ionization
  • X-ray emission

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