S B Whitfield et al 2007 J. Phys. B: At. Mol. Opt. Phys. 40 3647 doi:10.1088/0953-4075/40/18/006
Xe 5s angular distributions in the region of the second Cooper minimum
S B Whitfield1, J Kane1 and R Wehlitz2
Show affiliationsWe investigate the case of the Xe 5s angular distribution in the region of the second Cooper minimum covering a photon energy region from 80 to 280 eV. We observe a strong drop in the Xe 5s β value from 2.0, reaching a minimum of 1.669(8) at a photon energy of 150 eV. Our results are in good accord with a previously published measurement on the low-energy side of this minimum, but show a much slower return to β = 2.0 on the high-energy side of the minimum. We also compare our results to several different theoretical calculations and find excellent agreement with a relativistic time-dependent density functional theory calculation.
- PACS
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32.80.Fb Photoionization of atoms and ions
31.30.J- Relativistic and quantum electrodynamic (QED) effects in atoms, molecules, and ions
- Subjects
- Dates
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Issue 18 (28 September 2007)
Received 11 July 2007, in final form 9 August 2007
Published 4 September 2007
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Xe 5s angular distributions in the region of the second Cooper minimum
S B Whitfield et al 2007 J. Phys. B: At. Mol. Opt. Phys. 40 3647
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