期刊
PHYSICAL REVIEW A
卷 90, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.90.012702
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资金
- Deutsche Forschungsgemeinschaft (DFG) [Schi378/8-1]
- NASA Astronomy and Physics Research and Analysis (APRA) Program
- NASA Solar and Heliospheric Physics Supporting Research and Technology Program
Rate coefficients for photorecombination ( PR) and cross sections for electron-impact ionization (EII) of Fe14+, forming Fe13+ and Fe15+, respectively, have been measured by employing the electron-ion merged-beams technique at a heavy-ion storage ring. Rate coefficients for PR and EII of Fe14+ ions in a plasma are derived from the experimental measurements. Simple parametrizations of the experimentally derived plasma rate coefficients are provided for use in the modeling of photoionized and collisionally ionized plasmas. In the temperature ranges where Fe14+ is expected to form in such plasmas, the latest theoretical rate coefficients of Altun et al. [Astron. Astrophys. 474, 1051 (2007)] for PR and of Dere [Astron. Astrophys. 466, 771 (2007)] for EII agree with the experimental results to within the experimental uncertainties. Common features in the PR and EII resonance structures are identified and discussed.
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