The Iron Project: Atomic Data for the Iron Peak Elements

Details The Iron Project: Atomic Data for the Iron Peak Elements The Iron Project: Atomic Data for the Iron Peak Elements

May 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aps..dmp..dp77b&link_type=abstract

American Physical Society, DAMOP Meeting, 27-30 May 1998 Santa Fe, New Mexico, abstract #DP.77

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We report the latest results from the Iron Project by the Ohio State atomic astrophysics group. The Iron Project is devoted to the study of radiative and collisional atomic processes primarily for the iron-group elements for applications in astrophysical and laboratory plasmas. Among the processes of particular interest are: electron impact excitation, photoionization, and electron-ion recombination. The large-scale atomic calculations for the heavy atomic systems are carried out using the R-matrix method, extended to inlcude relativistic effects in the Breit-Pauli approximation. The codes have been adapted to a variety of computational platforms, particularly massively parallel processors, the Cray T3D/E and the IBM SP2. Selected results, and new physical features, are reported from recent work on collision strengths, radiative transition probabilities, photoionization cross sections, and unified electron-ion recombination rates for Fe I-V, Fe XXII, Ni II, and all ions of Carbon, Nitrogen, and Oxygen. We also report new resonance averaged ground state photoionization cross sections from the Opacity Project for use in astrophysical modeling codes.

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