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(ICP/11) Fast Heating of a Dense Plasma by High-Power Electron Beam at the GOL-3-II Facility

  (This paper was rapporteured in lecture EX4/2)  

 
A. V. Arzhannikov , V. T. Astrelin , A. V. Burdakov , V. S. Koidan , K. I. Mekler , P. I. Melnikov , S. V. Polosatkin , V. V. Postupaev , A. F. Rovenskikh , S. L. Sinitsky 
 
Budker Institute of Nuclear Physics, 630090, Novosibirsk, Russia

Abstract
Recent results on dense plasma heating by 200 kJ-electron beam at GOL-3-II  facility are presented. The efficiency of collective electron beam deceleration up to 40% is achieved in $\rm 10^{15} cm^{-3}$ plasma. The characteristic electron temperature of $\sim$ 2 keV at plasma density (1-2) $\rm\times 10^{15} cm^{-3}$ is obtained. At the two-stage heating of a dense ( $\rm\sim 10^{16} cm^{-3}$) plasma the electron temperature of 300-500 eV and the ion temperature of 100-200 eV are reached. Prospects of experiments on ``wall'' and multimirror plasma confinement  at GOL-3-II facility are discussed.

 

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