A complete set of radiative and Auger rates for K-vacancy states in Fe XVIII-Fe XXV

Details A complete set of radiative and Auger rates for K-vacancy states in Fe XVIII-Fe XXV A complete set of radiative and Auger rates for K-vacancy states in Fe XVIII-Fe XXV

Jun 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003a%26a...403.1175p&link_type=abstract

Astronomy and Astrophysics, v.403, p.1175-1184 (2003)

Astronomy and Astrophysics

Astrophysics

29

Atomic Data, Atomic Processes, X-Rays: General

Scientific paper

A complete set of level energies, wavelengths, A-values, and total and partial Auger rates have been computed for transitions involving the K-vacancy states within the n=2 complex of Fe XVIII-Fe XXV. Three different standard numerical packages are used for this purpose, namely AUTOSTRUCTURE, the Breit-Pauli R-matrix suite (BPRM) and HFR, which allow reliable estimates of the physical effects involved and of the accuracy of the resulting data sets. The Breit interaction is taken into account because its contributions to the small A-values and partial Auger rates cannot be neglected with increasing electron occupancy. Semiempirical adjustments can also lead to large differences in both the radiative and Auger decay data of strongly mixed levels. Several experimental level energies and wavelengths are questioned, and significant discrepancies are found with previously computed decay rates that are attributed to numerical problems. The statistical accuracy of the present level energies and wavelengths is ranked at +/-3 eV and +/-2 mÅ, respectively, and that for A-values and partial Auger rates greater than 1013 s-1 at better than 20%.
Tables 1, 2 and 8 are only available in electronic form at http://www.edpsciences.org

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