Radiative Gaunt factors

Details Radiative Gaunt factors Radiative Gaunt factors

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987mnras.226..257b&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 226, May 15, 1987, p. 257-272.

Physics

Plasma Physics

11

Bremsstrahlung, Controlled Fusion, Ion Recombination, Plasma Radiation, Radiative Recombination, Hydrogen Plasma, Plasma Physics, Plasma Spectra

Scientific paper

Numerical methods for the evaluation of radiative Gaunt factors for complex ions, and for the calculation of the principal integrals over the Gaunt factors relevant to plasma spectroscopy, are presented. The present techniques are suitable for the computation of intermediate accuracy results for large numbers of ions over extended parameter ranges, and they cover bound-bound, bound-free, and free-free cases in both hydrogenic and nonhydrogenic approximations. The results demonstrate the reliability of the numerical methods and their advantages over the methods of Peach (1965, 1967) and Burgess and Seaton (1960). Significant differences from hydrogenic results at low and moderate z values are pointed out.

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