Particle transport study with an electron beam in the Tohoku University heliac

Eiji Nakamura, Suraio Kitajima, Masakazu Takayama, Shigeru Inagaki, Takeo Yoshida, Hiroshige Watanabe

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


The particle transport of low density (∼1012 m-3) and low energy (<20eV) electrons is studied with a directed electron beam in the Tohoku University Heliac. The particle diffusion coefficient is estimated experimentally using the emissive filament technique. We investigate the coefficient's dependence on magnetic field strength, collision frequency and electron beam energy. The measured dependence is similar to the dependence calculated using the neoclassical transport theory.

Original languageEnglish
Pages (from-to)889-895
Number of pages7
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Issue number2
Publication statusPublished - 1997


  • Collision
  • Electron beam
  • Heliac
  • Helical axis stellarator
  • Magnetic surface
  • Nuclear fusion
  • Plasma physics
  • Transport

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)


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