Query : 2017A&A...599A..10M

2017A&A...599A..10M - Astronomy and Astrophysics, volume 599A, 10-10 (2017/3-1)

The electron energy loss rate due to radiative recombination.


Abstract (from CDS):

Context. For photoionized plasmas, electron energy loss rates due to radiative recombination (RR) are required for thermal equilibrium 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 the literature, specific calculations of associated RR electron energy loss rates are lacking.
Aims. 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.
Methods. We used 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. We compared the total RR rates and electron energy loss rates of HI and HeI with those found in the literature. Furthermore, we utilized and parameterized the weighted electron energy loss factors (dimensionless) to characterize total electron energy loss rates due to RR.
Results. 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 modeling of photoionized plamsas.

Abstract Copyright: © ESO, 2017

Journal keyword(s): atomic data - atomic processes - atomic processes

VizieR on-line data: <Available at CDS (J/A+A/599/A10): calc.dat pars.dat>

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