Comparison of K-shell ionization cross sections of Si in solid and gas targets for Fq+ + Si collisions (q=4-9) at 1 and 2 MeV/amu

H. Tawara, Patrick Richard, Tom J. Gray, P. Pepmiller, J. R. MacDonald, Thomas R Dillingham

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The authors determine K x-ray production cross sections and K-shell fluorescence yields in solid Si and gaseous SiH4 as a function of incident-projectile charge state for a F beam at 1 and 2 MeV/amu. Discrepancies between solid- and gas-target results are observed in both the x-ray production cross section and fluorescence yield. It is found, however, that the ionization cross section (x-ray production cross section divided by fluorescence yield) is independent of target physical state for each incident-projectile charge state.

Original languageEnglish (US)
Pages (from-to)2131-2133
Number of pages3
JournalPhysical Review A
Volume19
Issue number5
DOIs
StatePublished - 1979
Externally publishedYes

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ionization cross sections
fluorescence
collisions
projectiles
cross sections
gases
x rays

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Atomic and Molecular Physics, and Optics

Cite this

Comparison of K-shell ionization cross sections of Si in solid and gas targets for Fq+ + Si collisions (q=4-9) at 1 and 2 MeV/amu. / Tawara, H.; Richard, Patrick; Gray, Tom J.; Pepmiller, P.; MacDonald, J. R.; Dillingham, Thomas R.

In: Physical Review A, Vol. 19, No. 5, 1979, p. 2131-2133.

Research output: Contribution to journalArticle

Tawara, H. ; Richard, Patrick ; Gray, Tom J. ; Pepmiller, P. ; MacDonald, J. R. ; Dillingham, Thomas R. / Comparison of K-shell ionization cross sections of Si in solid and gas targets for Fq+ + Si collisions (q=4-9) at 1 and 2 MeV/amu. In: Physical Review A. 1979 ; Vol. 19, No. 5. pp. 2131-2133.
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AU - Pepmiller, P.

AU - MacDonald, J. R.

AU - Dillingham, Thomas R

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