Internal consistency in the close-coupling approach to positron collisions with atoms
The positron-atom scattering problem contains the rearrangement channel of positronium (Ps) formation. While this makes the problem particularly difficult to calculate, it has the unusual benefit of validation via consideration of the internal consistency of the vastly different one- and two-centre...
| Main Authors: | , , , , |
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| Format: | Journal Article |
| Published: |
SPRINGER
2016
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| Online Access: | http://hdl.handle.net/20.500.11937/2672 |
| _version_ | 1848744017784733696 |
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| author | Bray, Igor Bailey, J. Fursa, D. Kadyrov, A. Utamuratov, R. |
| author_facet | Bray, Igor Bailey, J. Fursa, D. Kadyrov, A. Utamuratov, R. |
| author_sort | Bray, Igor |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | The positron-atom scattering problem contains the rearrangement channel of positronium (Ps) formation. While this makes the problem particularly difficult to calculate, it has the unusual benefit of validation via consideration of the internal consistency of the vastly different one- and two-centre close-coupling approaches. For example, the ionisation cross section in the former must be the same as the sum of breakup and Ps formation cross sections in the latter. This places a severe test on both approaches, which we review here for positron scattering on hydrogen and helium atoms. |
| first_indexed | 2025-11-14T05:54:47Z |
| format | Journal Article |
| id | curtin-20.500.11937-2672 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T05:54:47Z |
| publishDate | 2016 |
| publisher | SPRINGER |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-26722017-09-13T14:32:14Z Internal consistency in the close-coupling approach to positron collisions with atoms Bray, Igor Bailey, J. Fursa, D. Kadyrov, A. Utamuratov, R. The positron-atom scattering problem contains the rearrangement channel of positronium (Ps) formation. While this makes the problem particularly difficult to calculate, it has the unusual benefit of validation via consideration of the internal consistency of the vastly different one- and two-centre close-coupling approaches. For example, the ionisation cross section in the former must be the same as the sum of breakup and Ps formation cross sections in the latter. This places a severe test on both approaches, which we review here for positron scattering on hydrogen and helium atoms. 2016 Journal Article http://hdl.handle.net/20.500.11937/2672 10.1140/epjd/e2015-60591-7 SPRINGER restricted |
| spellingShingle | Bray, Igor Bailey, J. Fursa, D. Kadyrov, A. Utamuratov, R. Internal consistency in the close-coupling approach to positron collisions with atoms |
| title | Internal consistency in the close-coupling approach to positron collisions with atoms |
| title_full | Internal consistency in the close-coupling approach to positron collisions with atoms |
| title_fullStr | Internal consistency in the close-coupling approach to positron collisions with atoms |
| title_full_unstemmed | Internal consistency in the close-coupling approach to positron collisions with atoms |
| title_short | Internal consistency in the close-coupling approach to positron collisions with atoms |
| title_sort | internal consistency in the close-coupling approach to positron collisions with atoms |
| url | http://hdl.handle.net/20.500.11937/2672 |