<RESEARCH REPORT>Determination of Pitch Angles of Magnetic Field Lines in Tokamak with Obliquely Injected Helium Beam

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説明

Pitch angles of magnetic field lines or q-profile in high density tokamak can be determined by a new method proposed here. Blobs of monoenergetic helium beam with different velocities are injected into the tokamak obliquely to the toroidal direction on a poloidal plane x. Produced He^+ ions move nearly along magnetic field lines, and their front emitting a HeII line crosses a different sight plane and forms a curve on it. Optically measured shift of the curve from x leads to the distribution of pitch angle after correction of perpendicular drift motion of He^+ ions using the velocity dependence of the drift.

収録刊行物

  • Research report

    Research report 825 1-17, 1987-04

    核融合科学研究所

詳細情報 詳細情報について

  • CRID
    1570572701838302848
  • NII論文ID
    110000012168
  • NII書誌ID
    AA0081640X
  • ISSN
    04694732
  • 本文言語コード
    en
  • データソース種別
    • CiNii Articles

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