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- Title
Characteristics of the runaway electron beam instability in the HT-7 tokamak.
- Authors
Chen, Z. Y.; Zhu, J. X.; Ju, H. J.; Du, Q.; Shi, Y. J.; Liang, H. F.; Li, M.; Cai, W. D.
- Abstract
Runaway electron ream instabilities have been observed in Ohmic plasmas in the HT-7 tokamak. The instability regime is characterized by relaxations in the electron cyclotron emission due to the relativistic anomalous Doppler resonance effect which transfers energy from parallel to perpendicular motion. Two types of instabilities in the slide-away regime have been observed in the HT-7 tokamak. The scaling of the threshold value for the instabilities to occur has been derived. It is found that the threshold value is linearly dependent on the plasma current and independent of the toroidal magnetic field strength.
- Subjects
ELECTRON beams; ELECTRON optics; PARTICLE beams; OHMIC contacts; PLASMA gases; DOPPLER effect; TOKAMAKS
- Publication
Journal of Plasma Physics, 2009, Vol 75, Issue 5, p661
- ISSN
0022-3778
- Publication type
Article
- DOI
10.1017/S0022377808007800