2011A&A...528A..69L


C.D.S. - SIMBAD4 rel 1.7 - 2019.10.18CEST16:50:28

2011A&A...528A..69L - Astronomy and Astrophysics, volume 528A, 69-69 (2011/4-1)

R-matrix electron-impact excitation data for the Li-like iso-electronic sequence including Auger and radiation damping.

LIANG G.Y. and BADNELL N.R.

Abstract (from CDS):

We present results for the electron-impact excitation of all Li-like ions from Be+ to Kr33+ which we obtained using the radiation- and Auger-damped intermediate-coupling frame transformation R-matrix approach. We have included both valence- and core-electron excitations up to the 1s25l and 1s2l4l' levels, respectively. A detailed comparison of the target structure and collision data has been made for four specific ions (O5+, Ar15+, Fe23+ and Kr33+) spanning the sequence so as to assess the accuracy for the entire sequence. Effective collision strengths (Υs) are presented at temperatures ranging from 2x102(z+1)2K to 2x106(z+1)2K (where z is the residual charge of the ions, i.e. Z-3). Detailed comparisons for the Υs are made with the results of previous calculations for several ions which span the sequence. The radiation and Auger damping effects were explored for core-excitations along the iso-electronic sequence. Furthermore, we examined the iso-electronic trends of effective collision strengths as a function of temperature.

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

VizieR on-line data: <Available at CDS (J/A+A/528/A69): list.dat files/*>

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