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DONGPING ZHONG, Departments of Physics, Chemistry and Biochemistry, 174 West 18th Avenue, The Ohio State University, Columbus, OH 43210; AND AHMED H. ZEWAIL, Laboratory for Molecular Sciences, Arthur Amos Noyes Laboratory of Chemical Physics, California Institute of Technology, Pasadena, CA 91125.
We developed a kinetic-energy resolved time-of-flight mass spectrometry with femtosecond time resolution. The correlation of time, speed, orientation and state of reaction products was obtained. With these four resolution(s), a variety of chemical reactions was studied and new phenomena were discovered. Here, the classic example of bimolecular charge-transfer reactions of benzene with iodine and iodine monochloride will be given in detail.