| Issue |
EPJ Web of Conferences
Volume 59, 2013
IFSA 2011 – Seventh International Conference on Inertial Fusion Sciences and Applications
|
|
|---|---|---|
| Article Number | 14001 | |
| Number of page(s) | 5 | |
| Section | HIGH ENERGY DENSITY PHYSICS & APPLICATIONS – XIV. Hot Dense Plasma Atomic Processes | |
| DOI | https://doi.org/10.1051/epjconf/20135914001 | |
| Published online | 15 November 2013 | |
https://doi.org/10.1051/epjconf/20135914001
Theoretical interpretation for 2p − nd absorption spectra of iron, nickel, and copper in X-ray range measured at the LULI2000 facility
1 CEA, IRAMIS, Service “Photons, Atomes et Molécules”, Centre d'Études de Saclay, 91191 Gif-sur-Yvette, France
2 CEA, DAM, DIF, 91297 Arpajon, France
3 LULI, UMR 7605 CNRS - École Polytechnique, 91128 Palaiseau, France
4 Institute of Nuclear Fusion, Universidad Politécnica de Madrid, Spain
5 CEA, IRFU, Service d'Astrophysique, Centre d'Études de Saclay, 91191 Gif-sur-Yvettesss, France
a e-mail: michel.poirier@cea.fr
Published online: 15 November 2013
The 2p − nd absorption structures in medium Z elements present a valuable benchmark for atomic models since they exhibit a complex dependence on temperature and density. For these transitions lying in the X-ray range, one observes a competition between the spin-orbit splitting and the broadening associated to the excitation of complex structures. Detailed opacity codes based on the HULLAC or FAC suites agree with the statistical code SCO; but in iron computations predict higher peak absorption than measured. An addition procedure on opacities calculated with detailed codes is proposed and successfully tested.
© Owned by the authors, published by EDP Sciences, 2013
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