Quenching of metastable Ar, Kr, and Xe atoms by oxygen-containing compounds: A resonance fluorescence study of reaction products

Article abstract of DOI:10.1063/1.443272

Quenching of electronically excited Ar, Kr, and Xe(³P_0,2) atoms by diatomic and triatomic oxygen-containing compounds has been studied by atomic resonance fluorescence in a discharge-flow system at room temperature.Absolute branching ratios for molecular fragmentation in the quenching reactions have been obtained, showing that this channel is dominant in many cases.While single R-O bond cleavage is usually the favored process, cleavage of both bonds of H2O occurs in nearly 50percent of quenching collisions with Ar^*, and evidence is obtained for analogous atomization of NO2 and SO2 by Ar^*.Emission by electronically excited fragment species has been found to be mostly weak; thus, dissociative excitation is a minor channel except for the reactions of Ar^* with N2O and H2O.

Full text of DOI:10.1063/1.443272

Quenching of metastable Ar, Kr, and Xe atoms by oxygencontaining
compounds: A resonance fluorescence study of reaction products
John Balamuta and Michael F. Golde
Citation: J. Chem. Phys. 76, 2430 (1982); doi: 10.1063/1.443272
View online: http://dx.doi.org/10.1063/1.443272
View Table of Contents: http://jcp.aip.org/resource/1/JCPSA6/v76/i5
Published by the American Institute of Physics.
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