Volume 399, Number 2, February IV 2003
|Page(s)||799 - 805|
|Section||Atomic, molecular, and nuclear data|
|Published online||07 February 2003|
Effective collision strengths for transitions in Fe XI*
Department of Pure and Applied Physics, The Queen's University of Belfast, Belfast BT7 1NN, Northern Ireland, UK
Corresponding author: K. M. Aggarwal, K.Aggarwal@qub.ac.uk
Accepted: 20 November 2002
Collision strengths for transitions among the lowest 48 fine-structure levels belonging to the (1s22s22p6) 3s23p4, 3s3p5, 3s23p33d and 3p6 configurations of Fe XI have been calculated using the Dirac Atomic R-matrix Code (DARC) of Norrington & Grant (2003). Results are tabulated at energies above thresholds in the range Ry, although resonances have been resolved in a fine energy mesh in the thresholds region. Effective collision strengths, obtained after integrating the collision strengths over a Maxwellian distribution of electron velocities, are also tabulated over a wide electron temperature range below K. Comparisons with other available results are made, and the accuracy of the present data is assessed.
Key words: atomic data / atomic processes
© ESO, 2003
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