Time Evolution of Beam Energy Distribution and Perpendicular Velocity Scattering due to Strong Langmuir Turbulence

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概要

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• Our recent works, which were based on the spectroscopic nueasurenaent of strong high frequencyelectric fields in a plasma, showed that the plaszna becarme a strong Langrnuir turbulerrce statewhen an intense relativistic electron beam was injected into it. To ftrrther confirrta this the energyspread and the perpendictrlar velocity scattering of beam electrons after passing the plasma weretreasured as well as the strong high freqttency electric fields and the electron temperature. Thetheory of transit-tizaue interactions which deals with the beazta scattering in strong Langznuirturbtulence was applied to interpret the experiuaaental data, The result again shows that theplasma beconaes a strong Langmuir turbtrlence state. The broadband rtaicrowave radiation wasalso observed siuntrltaneotrsly with the naeastrrement of the perpendicular scattering of the beamelectrons. The wider the energy spread and the perpendicular scattering, the stronger themicrowave radiation,

• 社団法人日本物理学会の論文
• 1998-04-15

著者

• Kamada K

  Faculty Of Education Ibaraki University

• Kobayashi K

  Department Of Material Science Graduate School Of Science Osaka City University

• Katoh Kenichi

  Department Of Physics Faculty Of Science Tohoku University

• KONDO Kenjiro

  National Laboratory for High Energy Physics

• Masuzaki M

  Department Of Physics Faculty Of Science Kanazawa University

• KAMADA Keiichi

  Department of Physics, Faculty of Science, Kanazawa University

• ANDO Ritoku

  Department of Physics, Faculty of Science, Kanazawa University

• MASUZAKI Masaru

  Department of Physics, Faculty of Science, Kanazawa University

• KOGUCHI Haruhisa

  Department of Physics,Faculty of Science,Kanazawa University

• Katoh K

  National Defense Acad. Kanagawa

• Koguchi H

  Energy Technology Research Institute National Institute Of Advanced Industrial Science And Technolog

• Koguchi Haruhisa

  Department Of Physics Faculty Of Science Kanazawa University

• Kamada Keiichi

  Department Of Applied Physics Faculity Of Science Tokyo University Of Education

• Masuzaki Masaru

  Department Of Physics Faculty Of Science Kanazawa University

• Ando R

  Kanazawa Univ. Kanazawa Jpn

• Ando Ritoku

  Department Of Physics Faculty Of Science Kanazawa University

• Kobayashi K

  College Of Pharmacy Nihon University

• Kirita Keizo

  Venture Business Laboratory Kobe University:graduate School Of Science And Technology Kobe Universit

• Kobayashi K

  Department Of Electrical Engineering And Information Systems The University Of Tokyo

• Kobayashi Kei-ichiro

  Mitsubishi Electric Corporation Materials And Electric Devices Laboratory

• Kobayashi Koichi

  Department Of Basic Sciences Ishinomaki Senshu University

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