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Research on ultra high energy particles confinement by the magnetic axis

Research Project

Project/Area Number 01580010
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field プラズマ理工学
Research InstitutionKyoto University

Principal Investigator

ZUSHI H.  Heliotron Plasma Physics Laboratory Associate Professor, ヘリオトロン核融合研究センター, 助教授 (20127096)

Co-Investigator(Kenkyū-buntansha) HANATANI K.  Heliotron Plasma Physics Laboratory Associate Professor Assistant, ヘリオトロン核融合研究センター, 助手 (00115916)
ITOH K.  National Institute of Fusion Science Associate Professor, 助教授 (50176327)
SANO F.  Heliotron Plasma Physics Laboratory Associate Professor, ヘリオトロン核融合研究センター, 助教授 (70115856)
Project Period (FY) 1989 – 1990
Project Status Completed (Fiscal Year 1991)
Budget Amount *help
¥600,000 (Direct Cost: ¥600,000)
Fiscal Year 1990: ¥600,000 (Direct Cost: ¥600,000)
KeywordsFast neutral / helically trapped particle / Loss cone / Magnetic Axis shift / 捕足粒子
Research Abstract

Confinement of high energy ions is inverse on Heliotron E. Especially the magnetic axis shift effects are studied. Test high energy ions of 20-27 rev injected perpendicularly into plasmas as neutral particles. These particles behave as deeply trapped particles near the bottom of the helical ripple. Two neutral particle energy analyzers have been installed to study the orbit and loss flux of the injected energetic ions.
The results are as follows : (1) Horizontal distribution along the major radius is found to be shifted inwardly by 3-5 cm. (2) This shift is almost independent of the magnetic axis shift and shaping of the cross section. (3) Largely deviated ions by 7 cm from the outer-most surface are observed. (4) Confinement time for the slightly shifted case is the longest.

Report

(3 results)
  • 1991 Final Research Report Summary
  • 1990 Annual Research Report
  • 1989 Annual Research Report
  • Research Products

    (10 results)

All Other

All Publications (10 results)

  • [Publications] H.ZUSHI: "Recent Results on Heliotoron E" IEA-Workshop on Next Generation Experiments III-3. (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 谷口 俊輔: "荷電交換(C.X)中性粒子エネルギ-分布計測によるイオン挙動解析" 日本物理学会予稿集. (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] F.SANO: "Behaviour of fast ions during Neutral Beam Injection" IEA-Workshop on Stellarators Garching. (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] H.ZUSHI: "Experimental confinement study on the deeply trapped energetic ions in Heliotron E" 14th IAEA conference on thermonuclear fsuion and plasma physics. (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] H. Zushi: "Recent Results on Heliotoron E" IEA-Workshop on Next Generation Experiments. III-3. (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] S. Taniguchi: "Analysis of fast ion behaviour with a charge exchange energy analyzer" Japan physical society. Annual report. (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] F. Sano: "Behaviour of fast ions during Neutral Beam Injection" IEA-Workshop on Stellarators 1990. Garching.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] H. Zushi: "Experimental confinement study on the deeply trapped energetic ions in Heliotron E" 14th IASA conference on thermonuclear fusion and plasma physics 1992.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 図子 秀樹: "Heliotron E Experiments" IEA Workshop on NEXT GENERATION EXPERIMENTS. III-3 (1989)

    • Related Report
      1990 Annual Research Report
  • [Publications] 佐野 史道: "Status of the Heliotron E Experiment" IEA Workshop on Stellarators. I-1 (1990)

    • Related Report
      1990 Annual Research Report

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Published: 1990-04-01   Modified: 2016-04-21  

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