Oscillator strengths for dipole-allowed fine-structure transitions in Fe XIII
Issue Date:
1999Metadata
Show full item recordAbstract:
Oscillator strengths, line strengths, and transition probabilities for fine-structure levels in silicon-like iron, Fe XIII, are reported. The data obtained are for 1223 LS bound terms, 64,456 LS multiplets, and 307,863 fine-structure transitions. Calculations are carried out in LS coupling using the close coupling R-matrix approximation with a 14-term eigenfunction expansion. The fine-structure components are obtained through algebraic transformations. Present data considerably exceed the observed and the previously calculated data available, including those from the Opacity Project. Comparisons with previously measured and calculated values are made.
Sponsors:
I thank Professor Anil K. Pradhan for comments. This work was partially supported by a grant from the NSF for the Iron Project and by the NASA UV and Optical Astrophysical Program. Computations were carried out on the Cray T-94 at the Ohio Supercomputer Center.
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