Multiple ionisation of multiply charged xenon ions by electron impact
- 14 April 1984
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 17 (7) , 1427-1444
- https://doi.org/10.1088/0022-3700/17/7/024
Abstract
Electron-ion crossed beams have been employed to obtain absolute cross sections for double ionisation of Xeq+ ions (q=1, 2, 3, 4), threefold ionisation of Xeq+ ions (q=1, 2, 3) and fourfold ionisation of Xe1+ and Xe2+ ions by impact of a single electron with an energy up to 700 eV. Extremely large cross sections have been found showing that multiple ionisation of a complex ion can be as important as single ionisation. The relative strengths of multiple versus single ionisation are investigated as a function of ion charge state, ion atomic number and electron energy. Contributions of inner-shell ionisation are identified.Keywords
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