Dielectronic recombination, ionization equilibrium, and radiative emission for astrophysically abundant elements
Dielectronic recombination often plays the dominant role in determining the ionization-recombination balance of multiply-charged atomic ions in low-density high-temperature plasmas. Systematic calculations of the total dielectronic recombination rates, the corona ionization equilibrium abundances, and the radiative emission rates were carried out for all of the astrophysically important elements including Fe and Ni. these calculations demonstrate that the inclusion of the dielectronic recombination rates produces a substantial shift in the corona equilibrium abundances of certain charge-states. This shift can have an important effect on the theoretical prediction of the radiative energy loss rates and of the diagnostically important spectral line intensities.
- Research Organization:
- Plasma Radiation Group, Washington, DC
- OSTI ID:
- 6850593
- Report Number(s):
- CONF-800126-
- Journal Information:
- AIP Conf. Proc.; (United States), Journal Name: AIP Conf. Proc.; (United States) Vol. 63; ISSN APCPC
- Country of Publication:
- United States
- Language:
- English
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