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Fig. 3

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Comparison of effective collision strengths of S8+ with the R-matrix results of Butler and Zeippen (1994) for transitions of the ground configuration 2s22p4. Filled symbols with solid curves are results of Butler and Zeippen (1994), while open symbols with dotted curves corresponds to the present ICFT R-matrix calculation. Note: The same symbol in the two sets of results corresponds to the same transition. (Colour online)

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