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The high level of magnetic field ripple at the edge of the plasma (around 7%) on Tore Supra induces fast ion losses during ion cyclotron frequency (ICRF) heating. These losses could be as high as 30% of the injected power in hydrogen minority scheme, depending on various plasma parameters, the main one being the location of the resonance layer R(1H) inside the plasma. This paper reviews all the results obtained by the specific ripple diagnostics installed on Tore Supra.

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Authors: BASIUK V ET AL, CEA, Cadarache, Saint-Paul-lez-Durance (FR)
Bibliographic Reference: An oral report given at: 27th EPS Conference on Controlled Fusion and Plasma Physics, Budapest (HU), 12-16 June 2000. Published in Europhysics Conference Abstracts, Vol.24B (2000), pp.784-787
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