Abstract
The possibility of using the relative intensities of the 1snp 1P1–1s 2 1S0 transitions with n = 3–6 in He-like multicharged ions to diagnose plasma in a nonstationary ionization state is considered. The calculations performed for F VIII ions show that, at electron temperatures of T e = 10–100 eV, the intensity ratios are sensitive to the plasma electron density in the range of N e = 1016–1020 cm–3. The universal calculated dependences can be used to diagnose various kinds of recombining or ionizing plasmas containing such ions.
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Original Russian Text © S.N. Ryazantsev, I.Yu. Skobelev, A.Ya. Faenov, A.N. Grum-Grzhimailo, T.A. Pikuz, S.A. Pikuz, 2017, published in Fizika Plazmy, 2017, Vol. 43, No. 4, pp. 399–405.
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Ryazantsev, S.N., Skobelev, I.Y., Faenov, A.Y. et al. Plasma diagnostics from intensities of resonance line series of He-like ions. Plasma Phys. Rep. 43, 480–485 (2017). https://doi.org/10.1134/S1063780X17040109
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DOI: https://doi.org/10.1134/S1063780X17040109