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# LASER SPECTROSCOPY OF PHOTOLYTICALLY PRODUCED FREE RADICALS

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/12109

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 Title: LASER SPECTROSCOPY OF PHOTOLYTICALLY PRODUCED FREE RADICALS Creators: Hsu, Yen-Chu; Kennedy, Richard A.; Miller, Terry A. Issue Date: 1985 Abstract: The production of free radicals in an expansion of the Campargue type is accomplished by excimer laser photolysis of a suitable precursor seeded into the inert carrier gas. Extensive, and controllable cooling of the free radicals occurs after photolysis through collisions with the carrier gas, and rotational temperatures of $<$10K can be achieved. The free radicals are characterized by fluorescence excitation spectroscopy. Results for a number of polyatomic free radicals will be described. For these species the rotational cooling leads to a great simplification of the spectra, and considerably assists the assignment of the observed transitions. URI: http://hdl.handle.net/1811/12109 Other Identifiers: 1985-MF-3