The electron energy-loss rate due to radiative recombination

Mao, Junjie and Kaastra, Jelle and Badnell, N. R. (2017) The electron energy-loss rate due to radiative recombination. Astronomy and Astrophysics, 599. A10. ISSN 0004-6361 (https://doi.org/10.1051/0004-6361/201629708)

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Abstract

For photoionized plasmas, electron energy-loss rates due to radiative recombination (RR) are required for thermal equilib- rium calculations, which assume a local balance between the energy gain and loss. While many calculations of total and/or partial RR rates are available from literature, specific calculations of associated RR electron energy-loss rates are lacking. Here we focus on electron energy-loss rates due to radiative recombination of H-like to Ne-like ions for all the elements up to and including zinc (Z = 30), over a wide temperature range. We use the AUTOSTRUCTURE code to calculate the level-resolved photoionization cross section and modify the ADASRR code so that we can simultaneously obtain level-resolved RR rate coefficients and associated RR electron energy-loss rate coefficients. The total RR rates and electron energy-loss rates of H i and He i are compared with those found in literature. Furthermore, we utilize and parameterize the weighted electron energy-loss factors (dimensionless) to characterize total electron energy-loss rates due to RR. The RR electron energy-loss data are archived according to the Atomic Data and Analysis Structure (ADAS) data class adf48. The RR electron energy-loss data are also incorporated into the SPEX code for detailed modelling of photoionized plamsas.

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• Item metadata

  Item type:	Article
  ID code:	70858
  Dates:	Date Event 20 February 2017 Published 20 February 2017 Published Online 2 December 2016 Accepted
  Subjects:	Science > Astronomy
  Department:	Faculty of Science > Physics
  Depositing user:	Pure Administrator
  Date deposited:	12 Dec 2019 16:05
  Last modified:	09 Apr 2024 01:07
  Related URLs:	Related item
  URI:	https://strathprints.strath.ac.uk/id/eprint/70858