Atomic data for Fe II

Details Atomic data for Fe II Atomic data for Fe II

Sep 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....89..308n&link_type=abstract

Astronomy and Astrophysics, vol. 89, no. 3, Sept. 1980, p. 308-313.

Astronomy and Astrophysics

Astrophysics

110

Atomic Spectra, Electron Scattering, Electron Transitions, Ionic Collisions, Iron, Metal Ions, Transition Probabilities, Atomic Collisions, Electron Density (Concentration), Electron Energy, Forbidden Transitions, Line Spectra, Quantum Mechanics

Scientific paper

Electron collision strengths of the lowest 4 configurations of Fe II were computed in the close coupling approximation using a 2 configuration basis. These data contain the first set of quantum mechanically calculated collision strengths; the calculated level population densities for a6/D and the term populations for a4/F, a4/D, and a4/P which can estimate the probability of the appearance of absorption lines may be involved in exciting the upper states. A comparison with observed energy separations indicated some incorrect eigenfunctions; the configuration basis for a correct representation of the a4/F term must include 3d/7 and 3d/6/4d, concluding that a larger multiconfiguration basis is required.

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