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  Exchange interaction effects in NO core level photoionization cross-sections

Rüdel, A., Hergenhahn, U., Maier, K., Rennie, E. E., Kugeler, O., Viefhaus, J., et al. (2005). Exchange interaction effects in NO core level photoionization cross-sections. New Journal of Physics, 7: 189. Retrieved from http://www.iop.org/EJ/abstract/1367-2630/7/1/189.

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Rüdel, A.1, Author
Hergenhahn, U.2, Author           
Maier, K.1, Author
Rennie, E. E.1, Author
Kugeler, O.2, Author           
Viefhaus, J.1, Author
Lin, P.3, Author
Lucchese, R. R.3, Author
Bradshaw, A. M.2, 4, Author           
Affiliations:
1Max Planck Society, ou_persistent13              
2Electron Spectroscopy Group (ELSPEC), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856298              
3Department of Chemistry, Texas A&M University, Box 30012, College Station, TX 77842-3012, USA, ou_persistent22              
4Office of the Director (DI), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856325              

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 Abstract: The effect of the exchange interaction in the photoionization continuum is investigated, using N 1s photoionization of NO into the 1s-12π (1Π) and (3Π) final states as an example. The separation in energy of these two final states is 1.41 eV. Significant differences in their partial photoionization cross-sections are observed over a wide range of energies and cannot be accounted for by the different multiplicity of the states. We suggest that the deviation of the 3Π/1Π cross-section ratio from the statistical weighting at intermediate energies is dominated by the difference in the final-state potential experienced by the photoelectron and at asymptotically high energies by the multiplet-dependent amount of intensity going into multi-electron (shake-up) processes. Calculations underpinning this point are presented. We also show supporting measurements of the 3Π/1Π cross-section ratio for O 1s ionization and the absolute photoabsorption cross-section for NO over a wide energy

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Language(s): eng - English
 Dates: 2005
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 278171
URI: http://www.iop.org/EJ/abstract/1367-2630/7/1/189
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Title: New Journal of Physics
  Alternative Title : NJP
Source Genre: Journal
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Publ. Info: IoP Publishing Ltd and Deutsche Physikalische Gesellschaft
Pages: - Volume / Issue: 7 Sequence Number: 189 Start / End Page: - Identifier: ISSN: 1367-2630