Dielectronic recombination data for dynamic finite-density plasmas - XI: The sodium isoelectronic sequence

Z. Altun, A. Yumak, N.R. Badnell, S.D. Loch, M.S. Pindzola

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Abstract

Dielectronic recombination (DR) rate coefficients for 22 sodium-like ions, between Mg+ and Xe43+, forming magnesium-like ions have been calculated as part of the assembly of a level-resolved DR database necessary for modelling dynamic finite-density plasmas, within the generalized collisional - radiative framework. Calculations have been performed from both ground and metastable initial states, in both LS - and intermediate coupling, allowing for Delta n = 0 and Delta n = 1 core-excitations from ground and metastable levels. Partial and total DR coefficients have been calculated for Mg+ to Zn19+, as well as Kr25+, Mo31+, and Xe43+. Results for a selection of ions from the sequence are discussed in the paper and compared with existing theoretical and experimental results. A full set of results can be accessed from the Atomic Data and Analysis Structure (ADAS) database or from the Oak Ridge Controlled Fusion Atomic Data Center (http:// www-cfadc.phy.ornl.gov/data_and_codes).

Original languageEnglish
Pages (from-to)1165-1174
Number of pages10
JournalAstronomy and Astrophysics
Volume447
Issue number3
DOIs
Publication statusPublished - 1 Mar 2006

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Keywords

  • atomic data
  • atomic processes
  • distorted wave calculations
  • electron ion recombination
  • ionization equilibrium
  • rate coefficients
  • magnetic fields
  • iron
  • temperature
  • rates
  • NI
  • elements

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