Diagnosing Fe Plasma In Non-Local Thermodynamic Equilibrium

Using collisional-radiative model codes, we calculate the ionic charge state distributions of Fe plasma produced in a $Z$-pinch experiment. The influence of the dilution factor (i.e., geometrical reduction factor) $\alpha$ on the simulated ionic charge state distributions is investigated. With the n...

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Bibliographic Details
Published in:Journal of the Physical Society of Japan 2013-02, Vol.82 (2), p.024501-024501-6
Main Authors: Han, Xiao-Ying, Wang, Fei-Lu, Wu, Ze-Qing, Yan, Jun, Zhao, Gang
Format: Article
Language:English
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Summary:Using collisional-radiative model codes, we calculate the ionic charge state distributions of Fe plasma produced in a $Z$-pinch experiment. The influence of the dilution factor (i.e., geometrical reduction factor) $\alpha$ on the simulated ionic charge state distributions is investigated. With the newly diagnosed plasma conditions, involving the dilution factor $\alpha$ and electron temperatures, the obtained ion ratios of Na and F as well as the ionic charge state distributions and average charge state $\langle Z\rangle$ of Fe are consistently in good agreement with experimental measurements for the first time.
ISSN:0031-9015
1347-4073
DOI:10.7566/JPSJ.82.024501