Volume 500, Number 3, June IV 2009
|Page(s)||1263 - 1269|
|Section||Atomic, molecular, and nuclear data|
|Published online||08 April 2009|
R-matrix electron-impact excitation data for the Na-like iso-electronic sequence*
Department of Physics, University of Strathclyde, Glasgow, G4 0NG, UK e-mail: email@example.com
Accepted: 26 March 2009
We present results for the outer-shell electron-impact excitation of all Na-like ions from Mg+ to Kr25+ obtained using the intermediate-coupling frame transformation R-matrix approach. For each ion's calculation, the target and close-coupling expansions are both taken to be the 18 LS terms (32 levels) belonging to configurations [ 1s22s22p6] , , and (l = 0-5). Effective collision strengths (Υs) are presented at temperatures ranging from 2102(q+1)2 K to 2106(q+1)2 K (where q is the residual charge of ions, i.e. ). Detailed comparisons for the Υs are made with the results of previous calculations for several ions, which span the sequence. Furthermore, we examine the iso-electronic trends of both low- and high-temperature effective collision strengths
Key words: atomic data / atomic processes / plasmas
© ESO, 2009
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