VUV emission model of REB-heated plasma |
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Authors: | J Rau? V Babický |
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Institution: | (1) Institute of Plasma Physics, Czechosl. Acad. Sci., Pod Vodárenskou ví 4, 182 11 Praha 8, Czechoslovakia |
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Abstract: | VUV emission model of a hygrogen plasma with oxygen impurity (T
e=tens of eV,n
e 1014–1016 cm–3,nimp=1–3 % ne) is constructed in order to judge different possibilities of plasma diagnostics (especiallyT
e measurements) in the REBEX experiments. Two sets of calculations based on the nonstationary corona model are performed: time dependent continuous and line spectra in the range 5 eV—5 keV in the constantT
e approximation (discussion ofT
e measurements by the filter-method) and time dependent intensities of selected spectral lines (2s-2p type) of ionsO
2+–O5+ at variableT
e (including plasma heating by REB and radiative cooling). A possibility of plasma energy content determination from radiation losses is shown.We would like to acknowledge many helpful discussions with dr. P. unka; we thank also dr. J. Ullschmied for comparing our results with diamagnetic measurements. |
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Keywords: | |
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