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Journal Article

Sudden Interchannel Interaction in the Tl 6p Ionization above the 5d Threshold

MPS-Authors
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Prümper,  Georg
Fritz Haber Institute, Max Planck Society;

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Zimmermann,  Björn
Fritz Haber Institute, Max Planck Society;

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Viefhaus,  Jens
Fritz Haber Institute, Max Planck Society;

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Hentges,  Rainer
Fritz Haber Institute, Max Planck Society;

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Cherepkov,  N. A.
Fritz Haber Institute, Max Planck Society;
State University of Aerospace Instrumentation;

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Becker,  Uwe
Fritz Haber Institute, Max Planck Society;

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PhysRevLett.85.5074.pdf
(Publisher version), 152KB

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Citation

Prümper, G., Zimmermann, B., Langer, B., Viefhaus, J., Hentges, R., Cherepkov, N. A., et al. (2000). Sudden Interchannel Interaction in the Tl 6p Ionization above the 5d Threshold. Physical Review Letters, 85(24), 5074-5077. doi:10.1103/PhysRevLett.85.5074.


Cite as: https://hdl.handle.net/21.11116/0000-0009-3DBD-F
Abstract
The linear magnetic dichroism in the angular distribution of Tl 5d and 6p photoelectrons and their dynamical spin polarization have been measured between hv=30 and 50 eV. In contrast to the Xe 5p photoionization at the 4d threshold, our results show that above the Tl 5d threshold strong interchannel coupling effects induce a sudden increase in the asymptotic phase difference of the s and d waves for the Tl 6p ionization. This shows that the valence excitation is different for resonant (Xe 4d) and nonresonant (Tl 5d) excitation from subvalence shells.