Effective collision strengths are presented for the Fe-peak element Fe III at electron temperatures (Te in degrees Kelvin) in the range 2 × 103 to 1 × 106. Forbidden transitions results are given between the 3d6, 3d54s, and the 3d54p manifolds applicable to the modeling of laboratory and astrophysical plasmas.
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McLaughlin, B. M., Scott, M. P., Sunderland, A. G., Noble, C. J., Burke, V. M., Ramsbottom, C. A., Reid, R. H. G., Hibbert, A., Bell, K. L., & Burke, P. G. (2007). Electron collisions with Fe-peak elements: Forbidden transitions between the low lying valence states 3d6, 3d54s, and 3d54p of Fe III: Atomic Data and Nuclear Data Tables, 93(1), 55-104. https://doi.org/10.1016/j.adt.2006.07.001