HYDROMAGNETIC INSTABILITIES CAUSED BY RUN-AWAY ELECTRONS

Abstract
The possibility of the excitation of hydromagnetic instabilities caused by a beam of runaway electrons is investigated. It is found that if the wave length and frequency of the wave are such that the Doppler shift of the frequency due to the runaways' motion causes the electrons to see their cyclotron frequency, and if the electric field rotates in the same direction as the electrons do about the confining magnetic field, then an instability occurs. (auth)

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