A&A 429, 1117-1124 (2005)
Effective collision strengths for transitions in Fe XIIIK. M. Aggarwal and F. P. Keenan
Department of Pure and Applied Physics, The Queen's University of Belfast, Belfast BT7 1NN, Northern Ireland, UK
(Received 13 August 2004 / Accepted 13 September 2004)
Effective collision strengths for transitions among the lowest 97 fine-structure levels belonging to the (1s 22s 22p 6) 3s 23p 2, 3s3p 3, 3s 23p3d, 3p 4, 3s3p 23d and 3s 23d 2 configurations of Fe XIII have been calculated using the fully relativistic Dirac Atomic R-matrix Code (DARC) of Norrington & Grant (2004). Resonances have been resolved in the threshold region, and results are reported over a wide electron temperature range up to K. Comparisons are made with the earlier available R-matrix results of Gupta & Tayal (1998), and the accuracy of the data is assessed.
Key words: atomic data -- atomic processes
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