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Calculation of Atomic Data for NASA Missions

Savin, Daniel Wolf; Gorczyca, T. W.; Fu, J.; Korista, K. T.; Nikolic, D.; Hasoǧlu, M. F.; Dumitriu, I.; Badnell, N. R.; Manson, S. T.

The interpretation of cosmic spectra relies on a vast sea of atomic data which are not readily obtainable from analytic expressions or simple calculations. Rather, their evaluation typically requires state-of-the-art atomic physics calculations, with the inclusion of weaker effects (spin-orbit and configuration interactions, relaxation, Auger broadening, etc.), to achieve the level of accuracy needed for use by astrophysicists. Our NASA-supported research program is focused on calculating data for three important atomic processes, 1) dielectronic recombination (DR), 2) inner-shell photoabsorption, and 3) fluorescence and Auger decay of inner-shell vacancy states. Some additional details and examples of our recent findings are given below.


More About This Work

Academic Units
Astronomy and Astrophysics
Published Here
April 5, 2013