Electron capture by fast He2+ions in gases
- 21 February 1976
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 9 (3) , 491-496
- https://doi.org/10.1088/0022-3700/9/3/017
Abstract
Cross sections for single-electron capture by doubly charged helium ions ( sigma 21) have been measured in target gases H2, He and Ar. The He2+ energy range was 1-8 MeV, and the cross sections were measured by the initial-growth method. The measured values of sigma 21 are compared with semi-empirical estimates by Nikolaey (1967) and, in the He2+-on-He case, with more elaborate calculations by Belkic and Janey (1973), who used the continuum-distorted-wave approximation. Both theories show a good agreement with the present data.Keywords
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