Rapid change of the neutral hydrogen energy distribution at the L/H transition in the JFT-2M tokamak

Y. Miura, F. Okano, N. Suzuki, M. Mori, K. Hoshino, H. Maeda, T. Takizuka, S. I. Itoh, K. Itoh

研究成果: Contribution to journalArticle査読

23 被引用数 (Scopus)

抄録

Rapid changes of the main ion energy distribution at transitions from L to H, H to L, and during edge localized modes (ELMs) are studied with the time-of-flight neutral measurement on the JFT-2M tokamak. At the L to H transition, 200400 s prior to the start of the H drop, an increase of the high-energy outflux above an energy of 200 eV is observed. An energy of more than 200 eV for hydrogen corresponds to the collisionless condition *i<1 just inside the separatrix. A change of the energy distribution preceding that of the H signal is also found for ELMs.

本文言語英語
ページ(範囲)2216-2219
ページ数4
ジャーナルPhysical review letters
69
15
DOI
出版ステータス出版済み - 1992

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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