Atomic data from the IRON Project. XIV. Electron impact excitation of the Fe XIV fine-structure transition ^2^P^o^_1/2_-^2^P^o^_3/2_

Details Atomic data from the IRON Project. XIV. Electron impact excitation of the Fe XIV fine-structure transition ^2^P^o^_1/2_-^2^P^o^_3/2_ Atomic data from the IRON Project. XIV. Electron impact excitation of the Fe XIV fine-structure transition ^2^P^o^_1/2_-^2^P^o^_3/2_

May 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26a...309..677s&link_type=abstract

Astronomy and Astrophysics, v.309, p.677-682

Astronomy and Astrophysics

Astrophysics

28

Atomic Data, Sun: Corona

Scientific paper

We calculate collision strengths and collision rates for electron excitation of the ^2^P^o^_1/2_-^2^P^o^_3/2_ ground term fine-structure transition in Fe xiv, the coronal green line at 5303A. The collision strength for the green line is found to be strongly enhanced by resonances for the first 4 Rydberg above the excitation threshold, and as a result the collision rates are found to be significantly larger than other recently published results, even at coronal temperatures. The calculations are carried out using the R-matrix formulation of the close-coupling approximation.

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