Experimental and simulated fast ion velocity distributions on collective Thomson scattering diagnostic in the Large Helical Device

Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2012

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We have developed a collective Thomson scattering diagnostic system in the LHD. The CTS spectrum spread is observed in the frequency region corresponding to the bulk and fast ions during NB injection. The NB originated fast ions are evaluated by the MORH code for understanding the measured CTS spectra. We found that tangentially injected particles affect the CTS spectrum in the fast ion region from the simulated 1D velocity distribution for fast ions. This is consistent with the measured CTS spectrum in the frequency shift at less than -0.7 GHz and more than 0.7 GHz. As the next step, the CTS spectrum would be evaluated using the simulated 1D velocity distribution.
Original languageEnglish
TitleProceedings of the 39th EPS Conference on Plasma Physics; 16th International Congress on Plasma Physics
Number of pages4
Volume1
Publication date2012
Pages373-376
ISBN (print)9781622769810
StatePublished

Conference

Conference39th European Physical Society Conference on Plasma Physics and 16th International Congress on Plasma Physics
CountrySweden
CityStockholm
Period02/07/1206/07/12
Other39th EPS Conference on Plasma Physics
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