Femtosecond pump-probe photoelectron spectroscopy of predissociative Rydberg states in acetylene

S. L. Sorensen, O. Björneholm, I. Hjelte, T. Kihlgren, G. Öhrwall, S. Sundin, S. Svensson, S. Buil, D. Descamps, A. L'Huillier, J. Norin, C. G. Wahlström

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40 Citations (SciVal)

Abstract

We employ a pump-probe approach to molecular photoionization to study fast dissociation of Rydberg states in acetylene. By using time-resolved photoelectron spectroscopy to study the electronic state of the resulting ions we are able to monitor the system continuously during dissociation or rearrangement. We find that the predissociative lifetime for the 3R‴ (v2 = 1) Rydberg state is about 150 fs. We demonstrate a powerful new technique using time-correlated femtosecond harmonic generation and laser light pulses to study the time evolution of ultrafast dynamic processes in molecules.

Original languageEnglish
Pages (from-to)8038-8042
Number of pages5
JournalJournal of Chemical Physics
Volume112
Issue number18
DOIs
Publication statusPublished - 2000 May 8

Subject classification (UKÄ)

  • Other Physics Topics

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