Physics
Scientific paper
Feb 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983p%26ss...31..197b&link_type=abstract
Planetary and Space Science, vol. 31, Feb. 1983, p. 197-206. Research supported by the Natural Sciences and Engineering Researc
Physics
26
Electron Impact, Gas Dissociation, Molecular Collisions, Molecular Excitation, Planetary Radiation, Sulfur Dioxides, Emission Spectra, Energy Spectra, Far Ultraviolet Radiation, Incident Radiation, Jupiter (Planet), Wavelengths
Scientific paper
The fragmentation of SO2 following dissociative electron impact excitation has been studied under single collision conditions for incident electron energies up to 500 eV. The emission spectrum in the far v.u.v. spectral range (450-1100A) shows many features arising from excited neutral oxygen and ionized oxygen and sulfur fragments. Absolute emission cross sections have been measured for the most intense lines and the maximum values were found to range from 1-12 x 10 to the -19th sq cm with an uncertainty of approx. + or - 35 percent. Dissociation mechanisms are discussed and in some cases the dissociation path could be uniquely identified. The striking differences between the v.u.v. emission spectrum produced by single step dissociation of SO2 and the spectra emitted by the plasma torus around Jupiter are discussed.
Becker Katrin
McConkey John W.
van Wijngaarden William
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