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  • The Thirteenth International Conference on Ultrafast Phenomena
  • 2002 OSA Technical Digest Series (Optica Publishing Group, 2002),
  • paper ME13
  • https://doi.org/10.1364/UP.2002.ME13

Reaction dynamics of hydrogen bonded aniline-ammonia clusters in intense laser fields by tandem mass spectroscopy

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Abstract

Mass-selected aniline cations and [aniline-(NH3)n]+ (n = 1 and 2) cluster ions are exposed to the femtosecond laser fields (λ ~ 395 nm, I ~ 4×1015 W/cm2) using a tandem type time-of-flight spectrometer. It is found that a bare aniline cation decomposes into the five-membered ring compound, cyclopentadienyl cation (C5H6+), while the decomposition is suppressed when one or two ammonia molecules are attached to the aniline cation. This suppression was interpreted in terms of an intermolecular energy flow through the hydrogen bonding.

© 2002 Optical Society of America

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