UV and X-ray Spectral Lines of FeXXIII Ion for Plasma Diagnostics

Details UV and X-ray Spectral Lines of FeXXIII Ion for Plasma Diagnostics UV and X-ray Spectral Lines of FeXXIII Ion for Plasma Diagnostics

1996-05-15

arxiv.org/abs/atom-ph/9605004v1

Physics

Atomic Physics

LaTeX, 18 pages, 10 Postscript figures. To appear in Physica Scripta

Scientific paper

10.1088/0031-8949/54/5/006

We have calculated X-ray and UV spectra of Be-like Fe (FeXXIII) ion in collisional-radiative model including all fine-structure transitions among the 2s^2, 2s2p, 2p^2, 2snl, and 2pnl levels where n=3 and 4, adopting data for the collision strengths by Zhang & Sampson (1992) and by Sampson, Goett, & Clark (1984). Some line intensity ratios can be used for the temperature diagnostics. We show 5 ratios in UV region and 9 ratios in X-ray region as a function of electron temperature and density at 0.3keV < T_e < 10keV and $n_e = 1 - 10^{25} cm^{-3}$. The effect of cascade in these line ratios and in the level population densities are discussed.

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