Soft X-ray computer tomography of sawtooth collapse associated with m%3D2 and m%3D3 modes with five detector arrays on the WT-3 Tokamak

Another kind of sawtooth collapse is observed in a lower hybrid current drive plasma on the WT-3 tokamak. The internal structure of the plasma is investigated using computer tomography with five soft X-ray detector arrays after the application of the singular value decomposition to the soft X-ray de...

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Bibliographic Details
Published inIEEE transactions on plasma science Vol. 33; no. 2; pp. 444 - 445
Main Authors Yoshimura, S, Sukegawa, M, Maekawa, T, Terumichi, Y
Format Journal Article
LanguageEnglish
Published 01.04.2005
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Summary:Another kind of sawtooth collapse is observed in a lower hybrid current drive plasma on the WT-3 tokamak. The internal structure of the plasma is investigated using computer tomography with five soft X-ray detector arrays after the application of the singular value decomposition to the soft X-ray detector signals. It is found that the precursor and postcursor oscillations of this collapse are the m=3 mode and the m=2 mode, respectively.
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ISSN:0093-3813
DOI:10.1109/TPS.2005.845134