Vibrationally resolved threshold photoelectron–photoion coincidence spectra of KrXe

High resolution threshold photoelectron–photoion coincidence spectra of KrXe were measured in the photon energy region 11.7–14.7 eV using the penetrating field technique and synchrotron radiation. Six vibrational progressions were observed and ascribed to the production of the six electronic states...

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Bibliographic Details
Published in:The Journal of chemical physics 1999-12, Vol.111 (23), p.10595-10601
Main Authors: Yoshii, Hiroshi, Tanaka, Tomoaki, Morioka, Yumio, Hayaishi, Tatsuji, Ito, Kenji
Format: Article
Language:English
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Summary:High resolution threshold photoelectron–photoion coincidence spectra of KrXe were measured in the photon energy region 11.7–14.7 eV using the penetrating field technique and synchrotron radiation. Six vibrational progressions were observed and ascribed to the production of the six electronic states of KrXe+ ions (X 1/2, A1 3/2, A2 1/2, C1 3/2, B 1/2, and C2 1/2) via photoionization of the ground state KrXe dimer. The vibrational structures for the X 1/2, A2 1/2, B 1/2, and C2 1/2 states were observed for the first time in the present measurements. The molecular constants for vibration were obtained from the analysis of the deduced vibrational energy levels. The potential curves of each state were drawn by using the Morse function.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.480412