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  Influence of multielectron excitations on the O 1s photoionization in CO2

Maier, K., Kivimäki, A., Kempgens, B., Hergenhahn, U., Neeb, M., Rüdel, A., et al. (1998). Influence of multielectron excitations on the O 1s photoionization in CO2. Physical Review A, 58(5), 3654-3660. doi:10.1103/PhysRevA.58.3654.

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PhysRevA.58.3654.pdf (Publisher version), 125KB
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PhysRevA.58.3654.pdf
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1998
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APS
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 Creators:
Maier, Klaus1, Author           
Kivimäki, A.1, 2, Author           
Kempgens, Brigitte1, Author           
Hergenhahn, Uwe1, Author           
Neeb, M.1, 3, Author           
Rüdel, Andy1, Author           
Piancastelli, Maria Novella1, 4, Author           
Bradshaw, Alexander M.1, Author           
Affiliations:
1Fritz Haber Institute, Max Planck Society, ou_24021              
2Department of Physical Sciences, University of Oulu, Finland, ou_persistent22              
3IFF-IEE, Forschungszentrum Jülich GmbH, Germany, ou_persistent22              
4Department of Chemical Sciences and Technologies, University “Tor Vergata,”, Italy, ou_persistent22              

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 Abstract: High-resolution O 1s photoelectron spectra of the CO2 molecule have been measured in the region of the resonant features above the O K edge. The cross sections and asymmetry parameters were determined for the vibrational components of the O 1s photoelectron line. The vibrational fine structure is completely dominated by the antisymmetric stretching mode, which arises due to vibronic coupling. The O 1s line is accompanied by a rich satellite structure. Auger electron spectra have been measured at the energies of the continuum resonances and used as an indirect probe for multielectron excitations. The shoulder on the low-energy side of the 4σu shape resonance is due to double excitations that decay via spectator processes.

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Language(s): eng - English
 Dates: 1998-03-311998-11
 Publication Status: Issued
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevA.58.3654
 Degree: -

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Title: Physical Review A
  Other : Physical Review A: Atomic, Molecular, and Optical Physics
  Other : Phys. Rev. A
Source Genre: Journal
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Publ. Info: New York, NY : American Physical Society
Pages: 7 Volume / Issue: 58 (5) Sequence Number: - Start / End Page: 3654 - 3660 Identifier: ISSN: 1050-2947
CoNE: https://pure.mpg.de/cone/journals/resource/954925225012_2