Photoionization cross sections for Fe XVI and Fe XVII recombination rate coefficients

Details Photoionization cross sections for Fe XVI and Fe XVII recombination rate coefficients Photoionization cross sections for Fe XVI and Fe XVII recombination rate coefficients

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999a%26a...349..996d&link_type=abstract

Astronomy and Astrophysics, v.349, p.996-1002 (1999)

Astronomy and Astrophysics

Astrophysics

2

Atomic Data, Atomic Processes

Scientific paper

The Breit-Pauli R-matrix codes are utilized in a detailed study of the photoionization of the ground state of Fe XVI (2s(22p^63s) (2S_{1/2}) ). High resolution total and partial cross sections are obtained using 37 Jpi configuration interaction type wavefunctions to represent the residual ion, Fe XVII, after 3s, 2p and 2s photoionization. For the total cross section, the work of Verner et al. and previous Opacity Project calculations are in fair agreement with the present results, while relativistic effects are seen to have a noticeable but not an overly significant effect on the background cross section. The derived partial cross sections are used in a calculation of rates for the recombination of states of Fe XVII to the ground state of Fe XVI.

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