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- Ueda, K, et al.
(author)
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Anisotropic ultrafast dissociation probed by the Doppler effect in resonant photoemission from CF4
- 2003
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In: Physical Review Letters. - 1079-7114. ; 90:23: 233006
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Journal article (peer-reviewed)abstract
- The resonant Auger spectrum from the decay of F 1s-excited CF4 is measured. Several lines exhibit a nondispersive kinetic energy as the exciting photon energy is tuned through the resonance region. The F 1s(-1) atomiclike Auger line is split into two components due to the emission of Auger electrons by a fragment in motion, when electron emission is observed along the polarization vector of the light. This Doppler splitting is direct evidence that the core excitation leads to T-d-->C-3v symmetry lowering, by elongation of a specific C-F bond preferentially aligned along the polarization vector of the incident photon.
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