Excitation-autoionization contributions to electron impact ionization

Details Excitation-autoionization contributions to electron impact ionization Excitation-autoionization contributions to electron impact ionization

Aug 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981phrvl..47..494f&link_type=abstract

Physical Review Letters, vol. 47, Aug. 1981, p. 494-497. Research supported by the U.S. Department of Energy.

Physics

55

Atomic Excitations, Autoionization, Electron Impact, Electron Transitions, Ionization Cross Sections, Transition Metals, Atomic Energy Levels, Hafnium, Metal Ions, Titanium, Zirconium

Scientific paper

Experimental measurements of electron impact ionization cross sections for the transition-series ions Ti(+)3, Zr(+)3, and Hf(+)3 demonstrate that excitation-autoionization increases the cross sections by more than an order of magnitude over that anticipated for direct ionization. Theoretical predictions of both energies and approximate magnitudes of these excitation cross sections provide confidence that this important indirect contribution to the total ionization can be estimated for many cases.

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