Photoionization Cross Section of Xe{sup +} Ion in the Pure 5p{sup 5} {sup 2}P{sub 3/2} Ground Level
Journal Article
·
· Physical Review Letters
- Laboratoire de Planetologie de Grenoble, UMR 5109 du CNRS, Batiment D de Physique, B.P. 53, 38041 Grenoble (France)
- Laboratoire d'Interaction des Rayons X avec la Matiere (LIXAM), UMR 8624 du CNRS, Universite Paris-Sud, Batiment 350, 91405 Orsay cedex (France)
- CEA DAM Ile-de-France, DPTA, Bruyeres-le-Chatel, 91297 Arpajon Cedex (France)
- CNR-IMIP, Rome Branch, c/o GasPhase Beamline, Sincrotrone Trieste, I- 34012 Basovizza, Trieste (Italy)
- Laboratoire de Chimie Physique, UMR 8000 du CNRS, Universite Paris-Sud, Batiment 350, 91405 Orsay cedex (France)
- Sincrotrone Trieste, SS-14 in Area Science Park, I-34012 Basovizza, Trieste (Italy)
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint Aubin, B.P. 48, 91192 Gif-sur-Yvette (France)
Coupling an ion trap with synchrotron radiation is shown here to be a powerful approach to measure photoionization cross sections on ionic species relaxed in their ground state. The photoionization efficiency curve of Xe{sup +} ions stored in a Fourier transform ion cyclotron resonance ion trap was recorded at ELETTRA in the 20-23 eV photon energy range. Absolute cross sections were derived by comparison of the photoionization yield of Xe{sup +} with measurements from the ASTRID merged-beam experiment. Multiconfiguration Dirac-Fock calculations were performed for the interpretation of these new data.
- OSTI ID:
- 21132481
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 22 Vol. 100; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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