Electron impact ionization of nickel multiply-charged ions
(1999) IX International Conference on Physics of Highly Charged Ions — Location: BENSHEIM(Germany) (9.September.1998)
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- Authors
Defrance, Pierre 
- Abstract
- Absolute cross-section measurements are reported for electron impact ionization of Ni12+ and Ni14+ in an energy range from threshold to about 5.5 keV. For single ionization, data show that the first observed threshold corresponds to the metastable state [Ne]3s(2)3p(4) (1)So which is located 12 eV above the ground state. Excitation-autoionization is seen to play a dominant role for this reaction in the whole energy range. Double ionization is seen to be dominated by L-shell ionization followed by total autoionization. For Ni12+, triple ionization is found to be two orders of magnitude lower than double ionization and is attributed to direct ionization only.
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Citations
Cherkani-Hassani, S., Defrance, P., & Oualim, EM. (1999). Electron impact ionization of nickel multiply-charged ions. Physica Scripta. Topical Issues, T80B, 292-294. https://doi.org/10.1238/Physica.Topical.080a00292 (Original work published 1999)