Generation of energetic electrons during spherical tokamak merging in UTST

Tomohiko Ushiki, Michiaki Inomoto, Kotaro Yamasaki, Xuehan Guo, Takumichi Sugawara, Keita Matsuyama, Haruhisa Koguchi, Takuma Yamada

研究成果: Contribution to journalArticle査読

4 被引用数 (Scopus)

抄録

Bursts of bremsstrahlung soft X-ray (SXR) emission ( > 200 eV) were observed during spherical tokamak merging in the University of Tokyo Spherical Tokamak (UTST) experiment. SXR signal waveforms coincided well with the time evolution of a reconnection electric field, and their intensity shows a clear dependence on the strength of a toroidal magnetic field. This result suggests that electrons near the X-point are effectively accelerated in the toroidal direction by a parallel electric field during plasma merging in the presence of a strong toroidal magnetic field.

本文言語英語
論文番号2402100
ジャーナルPlasma and Fusion Research
11
1
DOI
出版ステータス出版済み - 2016

All Science Journal Classification (ASJC) codes

  • 凝縮系物理学

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