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Experimental evidence of charge exchange recombination of highly ionized iron and titanium in Princeton Large Torus [electronic resource].

Published
Princeton, N.J. : Princeton University, 1980.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: 21 : digital, PDF file
Additional Creators
Princeton University and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
The observed behavior of the emissivitives of boron-like FeXXIII, lithium-like FeXXIV and TiXX, and the helium-like FeXXV ions in the PLT tokamak during highpower neutral (H/sup 0/ or D/sup 0/) beam heating is described. A substantial lowering of the dominant ionization state in the center of the discharge while the electron temperature is rising, is attributed primarily to increased recombination rate of the ions through charge exchange with neutral hydrogen. This interpretation is supported by the different space and time behavior of the lithium-like annd boron-like ions of comparable ionization potentials, and by comparisons of neutral beam heating of the plasma with ion cyclotron resonance heating, which does not appreciably change the neutral hydrogen concentration. The observations are compared with approximate zero-dimensional model calculations, using experimental plasma conditions and estimated charge exchange rates.
Report Numbers
E 1.99:pppl-1636
pppl-1636
Subject(s)
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Note
Published through SciTech Connect.
02/01/1980.
"pppl-1636"
Bitter, M.; Suckewer, S.; Hinnov, E.; Hulse, R.; Post, D.
Funding Information
EY-76-C-02-3073
View MARC record | catkey: 14754393