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Publication Detail
Picosecond polarization spectroscopy as a probe of intramolecular dynamics: rovibronic relaxation in the S1 state of trans-stilbene
The first application of picosecond polarization spectroscopy to probe gas phase intramolecular relaxation under collision free conditions is reported. This technique is a sensitive probe of molecular rotation and when applied to trans-stilbene vapor at 200°C an exponential decay in the anisotropy with a lifetime of 48 ± 8 ps is observed. The results are discussed in the context of recent work on IVR and rovibrational intramolecular processes.
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