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Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/5046

Title: A study of the vibronic structure in the Hel excited photoelectron spectrum of CO₂involving the X ²Π[sub g] and A ² Π[sub u] ionic states
Authors: Baltzer, P.
Chau, Foo-tim
Eland, J. H. D.
Karlsson, L.
Lundqvist, M.
Rostas, J.
Tam, K. Y.
Veenhuizen, H.
Wannberg, B.
Subjects: Carbon dioxide
Photoelectron spectroscopy
Excited states
Vibronic states
Resolution
Complexes
Fine structure
Coupling
Issue Date: 8-Jun-1996
Publisher: American Institute of Physics
Citation: Journal of chemical physics, 8 June 1996, v. 104, no. 22, p. 8922-8931.
Abstract: The HeI excited photoelectron spectrum of the CO₂molecule covering the X ²Π[sub g] and A ²Π[sub u] ionic states has been recorded at a resolution of better than 5 meV. Complex vibrational structures are resolved in both photoelectron bands. In the X ²Π[sub g] state, the v₂and v₃modes are observed to be excited in both an odd and even numbers of quanta in addition to the v₁mode, whereas for the A ²Π[sub u] state the spectrum is dominated by excitations of the v₁mode alone and in combinations with excitations of the v₂mode in two quanta involving strong Fermi resonance. The observed spectrum has been assigned by comparison with optical spectra and with calculations of the vibrational fine structure including vibronic and spin–orbit coupling.
Description: DOI: 10.1063/1.471626
Rights: © 1996 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in F. T. Chau et al., J. Chem. Phys. 104, 8922 (1996) and may be found at http://link.aip.org/link/?jcp/104/8922.
Type: Journal/Magazine Article
URI: http://hdl.handle.net/10397/5046
ISSN: 0021-9606 (print)
1089-7690 (online)
Appears in Collections:ABCT Journal/Magazine Articles

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