Autoionizing Rydberg structure observed in the vibrationally selective, two-color, threshold photoionization spectrum of jet-cooled aniline

We report the observation of sharp autoionization structure in the two-color photoionization efficiency (PIE) spectrum of the I20 (1B2) band of jet-cooled aniline. The energy onset of this structure allows us to assign it to vibrational autoionization of high lying neutral Rydberg states with Δv=−1....

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Bibliographic Details
Published in:The Journal of chemical physics 1985, Vol.83 (9), p.4820-4822
Main Authors: HAGER, J, SMITH, M. A, WALLACE, S. C
Format: Article
Language:English
Subjects:
Atomic and molecular physics
Exact sciences and technology
Molecular properties and interactions with photons
Photon interactions with molecules
Physics
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Summary:We report the observation of sharp autoionization structure in the two-color photoionization efficiency (PIE) spectrum of the I20 (1B2) band of jet-cooled aniline. The energy onset of this structure allows us to assign it to vibrational autoionization of high lying neutral Rydberg states with Δv=−1. Based on linewidth measurements, a lower limit of 0.5 ps can be set for the lifetime of these states.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.449010