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Published October 1, 1985 | public
Journal Article

Picosecond Photofragmentation of Tri- and Tetraatomlc Molecules: Measurement of "State-to-State" Reaction Rates


In this Letter, we report our first results on the picosecond measurements of state-to-state rates of reactions, involving three and four-atom molecules. These photofragment reactions are ICN → I + CN and NCNO → NO + CN. In these experiments, we use one picosecond pulse to initiate the photolysis and a second pulse to probe the produced fragments in their internal vibrational/rotational states. Results are presented for molecules in bulbs and beams, and comparisons with unimolecular theories are given.

Additional Information

© 1985 American Chemical Society. Received: August 19, 1985. This work was supported by a grant from the National Science Foundation. We thank Prof. C. Wittig, Dr. H. Reisler, and Dr. M. Noble for many helpful discussions on the preparation of NCNO and phase space calculations. A.H.Z. acknowledges many stimulating discussions with Prof. R. Bernstein-near the French Alps.

Additional details

August 19, 2023
October 20, 2023