X-ray emission cross sections for carbon bombarded with 4- to 40-MeV C, N, and O ions

F. W. Martin*, W. Freeman, J. Sauls

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Cross sections for production of target-atom carbon K x rays in thin evaporated carbon films are determined from spectra obtained using a double-focusing soft-x-ray spectrometer with calibrated transmission. A maximum value of 2.3 × 10-19 cm2 is found for 18-MeV oxygen ions. A maximum ionization cross section of 4.8 × 10-17 cm2 is estimated from the data. Cross sections for x rays on both sides of the carbon K edge are determined. Nitrogen ions produce more L-shell ionization at low energies than carbon or oxygen ions, both of which create very few KL2 satellite x rays below about 9 MeV.

Original languageEnglish (US)
Pages (from-to)2352-2359
Number of pages8
JournalPhysical Review A
Volume16
Issue number6
DOIs
StatePublished - Jan 1 1977

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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