Advances in atomic data for plasma diagnostics

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Fernández-Menchero, L. and del Zanna, G. and Badnell, N. R. (2015) Advances in atomic data for plasma diagnostics. Journal of Physics: Conference Series, 635 (5). 052035. ISSN 1742-6588 (https://doi.org/10.1088/1742-6596/635/5/052035)

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Abstract

We present sets of new atomic data for astrophysical and fusion plasma diagnostics. We calculate electron-impact excitation collision strengths and effective collisions strengths for the Be- and Mg-like isoelectronic sequences up to Krq+. We use the R-Matrix Intermediate-Coupling Frame Transformation method. We also study the accuracy of calculations for highly-excited states and give extrapolation rules to estimate the effective collision strengths and their error at high n. We demonstrate the importance of a well converged CI/CC expansion in the R-matrix calculation to get good quality results, mainly for highly-excited states.

ORCID iDs

Fernández-Menchero, L., del Zanna, G. and Badnell, N. R. ORCID logoORCID: https://orcid.org/0000-0001-7418-7996;
CORE (COnnecting REpositories)