%0 Journal Article %@ 0021-9606 %A Baskin, J. S. %A Semmes, D. %A Zewail, A. H. %D 1986 %F caltechauthors:11141 %I American Institute of Physics %J Journal of Chemical Physics %N 12 %P 7488-7490 %T Coherent photodissociation reactions: Observation by a novel picosecond polarization technique %U http://resolver.caltech.edu/CaltechAUTHORS:BASjcp86b %V 85 %X In this communication, we wish to report on a novel picosecond polarization method for measuring the degree of rotational coherence that is preserved in photodissociation reactions. The systems studied here are jet-cooled van der Waals molecules; stilbene [4-6] bound [5] to He or Ne with a 1:1 composition.[7] %Z Copyright © 1986 American Institute of Physics. Received 23 September 1986; accepted 10 October 1986. We have benefited from detailed and enlightening discussions with Professor R.B. Bernstein. This work is supported by a grant from the National Science Foundation (DMR-8521191). Arthur Amos Noyes Laboratory o/Chemical Physics, Contribution No. 7477.