Electron impact ionisation of Fe XXIV ions
- 28 March 1985
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 18 (6) , 1247-1252
- https://doi.org/10.1088/0022-3700/18/6/024
Abstract
The electron impact ionisation cross section of Fe XXIV is calculated by two methods, both making allowance for excitation-autoionisation and for radiative decay. The breakdown of LS coupling for this ion does not seriously affect the results but the effects of radiative decay are to reduce the excitation-autoionisation contribution by a significant amount. The results obtained omitting radiative decay are up to 25% larger than those given by the semi-empirical formula of Burgess and Chidichimo (1983), which also omits this process.Keywords
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