Multiple pulse magnetized electron beam injection in deuterium gas

V. V. Postupaev, A. V. Burdakov, I. A. Ivanov, V. F. Sklyarov, A. V. Arzhannikov, V. S. Burmasov, D. Ye Gavrilenko, I. V. Kandaurov, V. V. Kurkuchekov, K. I. Mekler, S. V. Polosatkin, A. F. Rovenskikh, A. V. Sudnikov, Yu S. Sulyaev, Yu A. Trunev

Research output: Contribution to journalArticle

Abstract

Results of experiments on injection of a sequence of several electron beam pulses (80-90 keV, 20-75 A, ∼30 μs) into 1019-1021 m-3 deuterium plasma are presented. The first beam pulse was injected into deuterium gas, the following pulses propagated through residual plasma that survived the inter-pulse periods. A typical pulse duration was of the order of 106 ω p - 1 that is much longer than most of the interaction-related processes. However, we noticed significant differences in plasma processes between the first pulse and the rest ones. A suggested physical factor behind those differences is longitudinal plasma current that develops during the first beam pulse.

Original languageEnglish
Article number084504
Number of pages4
JournalPhysics of Plasmas
Volume25
Issue number8
DOIs
Publication statusPublished - 1 Aug 2018

Keywords

  • PLASMA-CONFINEMENT
  • GOL-3
  • GENERATION

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    Postupaev, V. V., Burdakov, A. V., Ivanov, I. A., Sklyarov, V. F., Arzhannikov, A. V., Burmasov, V. S., Gavrilenko, D. Y., Kandaurov, I. V., Kurkuchekov, V. V., Mekler, K. I., Polosatkin, S. V., Rovenskikh, A. F., Sudnikov, A. V., Sulyaev, Y. S., & Trunev, Y. A. (2018). Multiple pulse magnetized electron beam injection in deuterium gas. Physics of Plasmas, 25(8), [084504]. https://doi.org/10.1063/1.5020100