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Behaviour of superthermal electrons in the scrape-off layer of DIVA

S. Yamamoto, S. Sengoku, H. Kimura, Y. Shimomura, H. Maeda, H. Ohtsuka, K. Odajima, M. Nagami, N. Ueda1978年被引用 13Nuclear FusionIF 3出版社

Superthermal electrons are observed in the scrape-off layer of DIVA. The superthermal electrons discussed in this paper are divided into two groups, high-energy electrons (10 keV – 100 keV) and epithermal electrons (150 eV – 500 eV). The epithermal electrons are studied quantitatively and their loss is shown to be explained by the destruction of magnetic surfaces near the separatrix owing to non-axisymmetric perturbations. The two-dimensional path of the high-energy electrons is studied, and the effects of nonaxisymmetric perturbations on the drift surface are discussed.

日本語訳

超熱電子はDIVAのスクレイプオフ層において観測される。本論文で議論する超熱電子は、高エネルギー電子(10 keV – 100 keV)とエピサーマル電子(150 eV – 500 eV)の2つのグループに分けられる。エピサーマル電子は定量的に研究され、その損失は非軸対称摂動によるセパラトリックス近傍の磁気面の破壊によって説明されることが示される。高エネルギー電子の二次元的経路が研究され、ドリフト面に対する非軸対称摂動の影響が議論される。

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Scrape-off layerSuperthermal electrons
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