Fine-structure excitation of ground-state C/+/ ions by hydrogen atoms

Details Fine-structure excitation of ground-state C/+/ ions by hydrogen atoms Fine-structure excitation of ground-state C/+/ ions by hydrogen atoms

Apr 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jphb...10..879l&link_type=abstract

Journal of Physics B - Atomic and Molecular Physics, vol. 10, Apr. 1, 1977, p. 879-888.

Astronomy and Astrophysics

Astrophysics

110

Atomic Excitations, Carbon, Fine Structure, Hydrogen Atoms, Ion Atom Interactions, Astrophysics, Ground State, Interstellar Matter

Scientific paper

Cross sections are computed for the low-energy fine-structure excitation of singly ionized carbon (2-P electronic ground state) by atomic hydrogen (2-S electronic ground state) in a close-coupling formulation. Recent accurate potential energy curves are employed. The effects of rotational coupling and of the fine-structure energy defect are investigated. The excitation cross section is found to be larger than previously computed. The cooling function is calculated for temperatures of astrophysical interest.

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