Nuclear-Charge Screening in Positronium Formation from Helium Atoms
An analytical treatment of the electron screening effect within an active-electron model is given for positronium formation from helium atoms. A first-order distorted wave approximation with correct boundary conditions is applied to evaluate the transition amplitude. In the range of impact energy fo...
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| Main Author: | |
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| Format: | Article |
| Language: | English |
| Published: |
University of Tehran
2012-12-01
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| Series: | Journal of Sciences, Islamic Republic of Iran |
| Online Access: | https://jsciences.ut.ac.ir/article_30555_ea820af9824a56c74a7fabcb22991a4b.pdf |
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