Nuclear motion effects in the photoionisation of CO2
- 14 April 1980
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 13 (7) , L231-L234
- https://doi.org/10.1088/0022-3700/13/7/002
Abstract
A calculation of the photoionisation cross section of CO2 reveals that the sigma u shape resonance at approximately 19 eV, accessed by the 1 pi g and 4 sigma g valence levels, is reduced and broadened by coupling to the ground-state vibrational motion. Off resonance the effect of nuclear motion is negligible. Results are compared with experimental branching ratios.Keywords
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