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research article
Test-Ion Diffusion in a Magnetized Plasma
Cross-field transport of barium test ions is studied in a Q-machine plasma. Test particles are produced and tracked in their motion by an optical tagging method. The comparison between the measured tag signal and a simple theoretical simulation yields a quantitative evaluation of the ion diffusivity. Diffusion is supported by classical mechanisms. The injection of different noble buffer gases modifies the plasma parameters in such a way that the diffusion remains classical but its magnitude is considerably reduced.
Type
research article
Web of Science ID
WOS:A1992KN76000013
Authors
Publication date
1992
Published in
Volume
20
Issue
6
Start page
655
End page
659
Peer reviewed
REVIEWED
Available on Infoscience
April 16, 2008
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