Multiple-ionisation cross sections for highly stripped ions colliding with He, Ne and Ar
- 14 June 1979
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 12 (11), 1843-1849
- https://doi.org/10.1088/0022-3700/12/11/010
Abstract
The classical-trajectory Monte Carlo method has been used to calculate the multiple-ionisation cross sections for 1 MeV amu-1 collisions of highly stripped ions in charge states q=2-20 with He, Ne and Ar targets. An independent-electron model was used to represent the rare-gas targets. For the highest charge state studied (q=20), the cross section for removing all the outer-shell electrons from Ne or Ar is approximately 2*10-16 cm2, whereas the cross section for removing both electrons from He is approximately 1*10-15 cm2. The calculated values are consistent with experimental observations of the cross section for the total number of electrons ejected from the target.Keywords
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