Electron impact excitation of forbidden and allowed transitions in AL II

Details Electron impact excitation of forbidden and allowed transitions in AL II Electron impact excitation of forbidden and allowed transitions in AL II

Nov 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985jphb...18.4321t&link_type=abstract

Journal of Physics B - Atomic and Molecular Physics (ISSN 0022-3700), vol. 18, Nov. 14, 1985, p. 4321-4325.

Physics

16

Aluminum, Astronomical Spectroscopy, Electron Impact, Electron Transitions, Forbidden Transitions, Born Approximation, Electron Energy, Ionic Collisions, Metal Ions, Wave Functions

Scientific paper

Electron impact collision strengths for forbidden and allowed transitions in Al II have been calculated using the R-matrix method. The target states are represented by the sophisticated configuration interaction wavefunctions. The contribution from higher partial waves is obtained in the Coulomb-Born approximation. The effective collision strengths are obtained by integrating the collision strength over a Maxwellian distribution of electron energies. These are tabulated over a wide temperature range (5000-80,000 K) of astrophysical interest.

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