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Soft X-Ray Computer Tomography of Tokamak Plasma in Control Experiment of Locked-Mode Disruption by Electron Cyclotron Heating

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2 Author(s)
Yoshimura, S. ; Grad. Sch. of Eng., Osaka Univ., Suita, Japan ; Maekawa, T.

A locked-mode disruption is artificially induced by lower hybrid current drive on a tokamak. By applying electron cyclotron heating (ECH), the disruption can be avoided. The time evolution of plasma internal structure during ECH is investigated with soft X-ray computer tomography. We have found that the mode locking and the growth of m = 1 and m = 2 modes are suppressed during ECH.

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Plasma Science, IEEE Transactions on  (Volume:39 ,  Issue: 11 )