Importance of Configuration Interaction for Accurate Atomic Data: Fluorescence Yields of K-Shell Vacancy, Lithium-like Ions

Details Importance of Configuration Interaction for Accurate Atomic Data: Fluorescence Yields of K-Shell Vacancy, Lithium-like Ions Importance of Configuration Interaction for Accurate Atomic Data: Fluorescence Yields of K-Shell Vacancy, Lithium-like Ions

Feb 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006apj...638l.121g&link_type=abstract

The Astrophysical Journal, Volume 638, Issue 2, pp. L121-L124.

Astronomy and Astrophysics

Astronomy

6

Atomic Data, Atomic Processes, Line: Formation, X-Rays: General

Scientific paper

We demonstrate that the inclusion of configuration interaction (CI) results in significant values for the K-shell fluorescence yields of Li-like ions, which are zero in a single-configuration approach. Modeling codes for simulating supernova remnants under nonequilibrium ionization conditions or photoionized plasmas such as active galactic nuclei or X-ray binaries need to be updated accordingly. A two-parameter fitting formula for the fluorescence yields has been developed. The generality of important CI effects on atomic calculations is pointed out.

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