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X-Ray Spectra of Tokamak Plasma

Published online by Cambridge University Press:  25 September 2017

B.S. Fraenkel
B.S. Fraenkel*
Affiliation:
Dept. of Physics, the Hebrew University, Jerusalem, Israel

Extract

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A spectrum covering Fe XXV to Fe XXII x ray lines from a tokamak (PLT) plasma has been obtained. Results indicate similarity with the flare spectrum in this region - the forbidden lines also appear in the PLT spectrum.

Te was about 1.8 keV- a value confirmed by intensity of dielectronic recombination lines. Ti was found to be not more than 0.7 keV, by Doppler width of the He like singlet 1s2 –ls2p 1S0 -1P0. A Johansson crystal was used, with the spectrograph adapted for an extended X-ray source.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 43: Vth Conference on UV & X-Ray Spectroscopy of Astrophysical & Laboratory Plasmas , July 1977 , pp. 36
Copyright
Copyright © Crown Research Institutes 1977