Magnetic-sublevel population and alignment for the excitation of H- and He-like uranium in relativistic collisions
We have measured the alignment of the L-shell magnetic substates following the K-shell excitation of hydrogen- and helium-like uranium in relativistic collisions with a low-Z gaseous target. Within this experiment, the population distribution for the $L$-shell magnetic sublevels has been obtained vi...
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| Hauptverfasser: | , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
17 October 2011
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| In: |
Physical review. A, Atomic, molecular, and optical physics
Year: 2011, Jahrgang: 84, Heft: 4, Pages: 1-6 |
| ISSN: | 1094-1622 |
| DOI: | 10.1103/PhysRevA.84.042710 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevA.84.042710 Verlag, lizenzpflichtig, Volltext: https://journals.aps.org/pra/abstract/10.1103/PhysRevA.84.042710 |
| Verfasserangaben: | A. Gumberidze, S. Fritzsche, S. Hagmann, C. Kozhuharov, X. Ma, M. Steck, A. Surzhykov, A. Warczak, and Th Stöhlker |
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| 245 | 1 | 0 | |a Magnetic-sublevel population and alignment for the excitation of H- and He-like uranium in relativistic collisions |c A. Gumberidze, S. Fritzsche, S. Hagmann, C. Kozhuharov, X. Ma, M. Steck, A. Surzhykov, A. Warczak, and Th Stöhlker |
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| 520 | |a We have measured the alignment of the L-shell magnetic substates following the K-shell excitation of hydrogen- and helium-like uranium in relativistic collisions with a low-Z gaseous target. Within this experiment, the population distribution for the $L$-shell magnetic sublevels has been obtained via an angular differential study of the decay photons associated with the subsequent deexcitation process. The results show a very distinctive behavior for the H- and He-like heavy systems. In particular, for $K\ensuremath{\rightarrow}L$ excitation of He-like uranium, a considerable alignment of the $L$-shell levels was observed. A comparison of our experimental findings with recent rigorous relativistic predictions provides a good qualitative and a reasonable quantitative agreement, emphasizing the importance of the magnetic-interaction and many-body effects in the strong-field domain of high-$Z$ ions. | ||
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| 700 | 1 | |a Hagmann, S. |e VerfasserIn |4 aut | |
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| 700 | 1 | |a Ma, X. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Steck, M. |e VerfasserIn |4 aut | |
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