Collisonal excitation of Fe X due to electron impact using the R-matrix method

Details Collisonal excitation of Fe X due to electron impact using the R-matrix method Collisonal excitation of Fe X due to electron impact using the R-matrix method

Oct 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apj...434..389m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 434, no. 1, p. 389-394

Mathematics

28

Atomic Excitations, Electron Scattering, Electron Transitions, Iron, Matrices (Mathematics), Electron Energy, Fine Structure, Velocity Distribution, Wave Functions

Scientific paper

The R-matrix method is used to calculate electron impact collision strengths of chlorine-like Fe X for transitions among the 14 lowest LS states, i.e., up to the 3s334(p-3) 3d state. Configuration interaction wave functions are used to represent the target states included in the R-matrix expansion. Effective collision strengths are calculated among the fine structure levels of ground state and from the ground to excited states by employing a transformation of the LS-coupled reactance matrices, and by assuming a Maxwellian velocity distribution for the incident electron. The results are tabulated for electron temperatures in the range log Te = 4.0 to log Te = 6.4 with Te expressed in kelvins.

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