A Verweyen et al 1999 J. Phys. B: At. Mol. Opt. Phys. 32 4079 doi:10.1088/0953-4075/32/16/307
Breakdown of the three-parameter model for the dichroism in the 4f photoelectron spectrum of laser-aligned Eu atoms
A Verweyen
, Ph Wernet, J Schulz, B Sonntag, M Martins
, K Godehusen§ and P Zimmermann§
The dichroism in the 4f photoelectron spectra of laser-aligned Eu atoms has been determined with linearly polarized vacuum ultraviolet radiation. The experimental results disagree with the prediction of the three-parameter model based on the absolute magnitude and relative phase of the 4f
d, g transition matrix elements. It is suggested that strong configuration interactions, confirmed in high-resolution photoelectron spectra, are the cause of the breakdown of the three-parameter model.
- PACS
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32.80.Fb Photoionization of atoms and ions
31.15.-p Calculations and mathematical techniques in atomic and molecular physics
- Subjects
- Dates
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Issue 16 (28 August 1999)
Received 6 May 1999
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Breakdown of the three-parameter model for the dichroism in the 4f photoelectron spectrum of laser-aligned Eu atoms
A Verweyen et al 1999 J. Phys. B: At. Mol. Opt. Phys. 32 4079
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