Angle-resolved ion-yield measurements ofCO 2 in the O1 s to Rydberg excitation region
Author(s) -
Keiji Okada,
Hiroshi Yoshida,
Yasunori Senba,
K Kamimori,
Y. Tamenori,
Haruhiko Ohashi,
K. Ueda,
Toshio Ibuki
Publication year - 2002
Publication title -
physical review a
Language(s) - English
Resource type - Journals
eISSN - 1094-1622
pISSN - 1050-2947
DOI - 10.1103/physreva.66.032503
Subject(s) - physics , excited state , rydberg formula , atomic physics , ion , coupling (piping) , spectral line , degenerate energy levels , yield (engineering) , ionization , quantum mechanics , engineering , mechanical engineering , thermodynamics
Angle-resolved energetic-ion-yield spectra were observed in the region of the O $1s$ to Rydberg excitation of ${\mathrm{CO}}_{2}$ with incident photon energy resolving power $E/\ensuremath{\Delta}E\ensuremath{\simeq}14000.$ The assignments of the electronic states were established in accordance with the angular distribution data. All the observed vibrational structures were assigned to the antisymmetric stretching vibrations caused by the vibronic coupling between the nearly degenerate O $1s$ core-excited states. A Franck-Condon analysis was performed within the linear coupling model.
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