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Quantum suppression of antihydrogen formation in positronium-antiproton scattering
Nature Communications, Volume: 8, Issue: 1
Swansea University Author: Michael Charlton
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DOI (Published version): 10.1038/s41467-017-01721-y
Abstract
Calculation of antihydrogen formation from antiproton-positronium collisions, with the positroniun in excited states. Novelty is the extension to positronium states with principal quantum numbers 4 and 5 and the discovery that the increase in the cross section is muted over simple expectations due t...
| Published in: | Nature Communications |
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| ISSN: | 2041-1723 |
| Published: |
Springer Science and Business Media LLC
2017
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa37024 |
| Abstract: |
Calculation of antihydrogen formation from antiproton-positronium collisions, with the positroniun in excited states. Novelty is the extension to positronium states with principal quantum numbers 4 and 5 and the discovery that the increase in the cross section is muted over simple expectations due to a suppression effect.This effect is due to a centrifugal barrier-type effect, which markedly reduces the influence of the higher angular momentum components which typically provide the cross section enhancements at lower values of n. |
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| College: |
Faculty of Science and Engineering |
| Issue: |
1 |