Electron-impact ionization of iron ions - Fe(11+), Fe(13+), and Fe(15+)

Details Electron-impact ionization of iron ions - Fe(11+), Fe(13+), and Fe(15+) Electron-impact ionization of iron ions - Fe(11+), Fe(13+), and Fe(15+)

Apr 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phrva..35.3256g&link_type=abstract

Physical Review A - General Physics, 3rd Series (ISSN 0556-2791), vol. 35, April 15, 1987, p. 3256-3264.

Physics

General Physics

60

Autoionization, Charged Particles, Electron Impact, Ionization Cross Sections, Iron, Metal Ions, Electron Beams, Electron Energy, Electron Guns, Ground State

Scientific paper

Absolute cross-section measurements are reported for electron-impact ionization of iron ions with initial charges 11+, 13+, and 15+. The data extend from below the ionization thresholds to 1500 eV for Fe(11+) and to 1400 eV for Fe(13+), while the Fe(15+) data cover the energy range from 630 to 1000 eV. Good agreement is found in each case between the measurements and detailed calculations which include the contributions due to the mechanism of inner-shell excitation-autoionization, but predicted significant enhancements of the Fe(15+) cross section due to resonant-excitation double autoionization are not observed. Ionization rate coefficients and fitting parameters are presented based on the data.

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