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Interpretation of ion cyclotron emission from fusion and space plasmas

R O Dendy1994年Plasma Physics and Controlled FusionIF 2.2出版社

Superthermal ion cyclotron emission (ICE) is observed in both fusion and space plasmas. Typical spectra display strong peaks at sequential multiple ion cyclotron harmonics, and distinct energetic ion populations are present in the emitting regions. In JET and TFTR, for example, ICE appears to be driven by fusion products or by injected beam ions in the outer mid plane; and in the Earth's ring current, radiation belts, and bow shock, ICE has been observed by the spacecraft OGO 3, GEOS 1 and 2 and AMPTE/IRM, often in conjunction with highly non-Maxwellian proton populations. Common emission mechanisms, arising from collective relaxation of energetic ion populations, appear to operate in both the fusion and space plasma environments. These are reviewed, and the potential role of ICE as a diagnostic of energetic ion populations is also examined.

日本語訳

超熱イオンサイクロトロン放射(ICE)は、核融合プラズマと宇宙プラズマの両方で観測される。典型的なスペクトルは、複数のイオンサイクロトロン高調波における強いピークを示し、放射領域には明確な高エネルギーイオン集団が存在する。例えばJETおよびTFTRでは、ICEは核融合生成物または外部入射ビームイオンによって駆動されているように見え、その発生領域は外側中平面である。一方、地球のリング電流、放射線帯、およびバウショックでは、ICEは宇宙機OGO 3、GEOS 1および2、AMPTE/IRMによって観測されており、多くの場合、非マクスウェル型の陽子集団を伴っている。高エネルギーイオン集団の集団的緩和に起因する共通の放射メカニズムが、核融合プラズマと宇宙プラズマの両方の環境で働いていると考えられる。本稿ではこれらのメカニズムを概説し、高エネルギーイオン集団の診断手段としてのICEの潜在的役割についても考察する。

装置

jet中精度(概要文一致)tftr中精度(概要文一致)

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Electron cyclotron emissionIon cyclotron emission
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