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Experimental verification of sawtooth control by energetic particles in ion cyclotron resonance heated JET tokamak plasmas
KTH, School of Electrical Engineering (EES), Fusion Plasma Physics.ORCID iD: 0000-0002-7142-7103
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2010 (English)In: Nuclear Fusion, ISSN 0029-5515, E-ISSN 1741-4326, Vol. 50, no 5, 052002- p.Article in journal (Other academic) Published
Abstract [en]

Experimental evidence from the JET tokamak is presented supporting the predictions of a recent theory (Graves et al 2009 Phys. Rev. Lett. 102 065005) on sawtooth instability control by toroidally propagating ion cyclotron resonance waves. Novel experimental conditions minimized a possible alternate effect of magnetic shear modification by ion cyclotron current drive, and enabled the dependence of the new energetic ion mechanism to be tested over key variables. The results have favourable implications on sawtooth control by ion cyclotron resonance waves in a fusion reactor.

Place, publisher, year, edition, pages
2010. Vol. 50, no 5, 052002- p.
National Category
Fusion, Plasma and Space Physics
URN: urn:nbn:se:kth:diva-46659DOI: 10.1088/0029-5515/50/5/052002ISI: 000276910100011OAI: diva2:454132
QC 20111105. LetterAvailable from: 2011-11-05 Created: 2011-11-04 Last updated: 2012-02-13Bibliographically approved

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