Abstract
A crossed vacuum-UV photon-Fe(CO)/sub 5/ molecular beam experiment was used to study the Fe* emission and the Fe(CO)/sub 5/ photoionization yields induced by vacuum-UV photons in the 9-21-eV range. Fe emission from quintet spin states was observed, and the total 2000-8500-angstrom Fe* fluorescence quantum yield was modeled over the 9-14-eV range by a restricted-degrees-of-freedom statistical dissociation model first used to explain Fe fluorescence produced by metastable rare gas collisions. Over this range, absolute cross sections for dissociation into neutrals, dissociation into fluorescing neutrals, and photoionization were determined.
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