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Two-electron description of electron transfer in He++He+ collisions |
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| Affiliation: | 1. Materials Chemistry, RWTH Aachen University, Kopernikusstr. 10, 52074 Aachen, Germany;2. Department of Materials Science and Applied Mathematics, Malmö University, 20506 Malmö, Sweden;3. Leibniz Institute of Surface Engineering (IOM), Permoserstr. 15, 04318 Leipzig, Germany;4. Department of Physics and Astronomy, Uppsala University, Lägerhyddsvägen 1, 75120 Uppsala, Sweden;5. Felix Bloch Institute, Leipzig University, Linnéstr. 5, 04103 Leipzig, Germany |
| Abstract: | Electron transfer in He+ + He+ collisions is studied within the two-electron form of the atomic-orbital expansion method. The population of both singlet and triplet helium states is considered. The calculated total and partial transfer cross sections agree well with available experimental data. Deviations from results of other calculations and the transfer mechanism in the triplet channel are discussed. |
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