Single and multiple ionization of sulfur atoms by electron impact |
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Authors: | D. L. Ziegler J. H. Newman L. N. Goeller K. A. Smith R. F. Stebbings |
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Affiliation: | Department of Space Physics and Astronomy, Rice University, Houston, TX 77251, U.S.A. |
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Abstract: | In 1979 significant concentrations of singly and multiply charged sulfur ions were observed in the Io torus. Attempts to model these observations revealed a need for new fundamental cross section data. In response, laboratory measurements of the cross-sections for single, double, triple and quadruple ionization of sulfur atoms by electron impact are presented for collision energies from threshold to 500 eV. |
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