量研学術機関リポジトリ「QST-Repository」は、国立研究開発法人 量子科学技術研究開発機構に所属する職員等が生み出した学術成果（学会誌発表論文、学会発表、研究開発報告書、特許等）を集積しインターネット上で広く公開するサービスです。 Welcome to QST-Repository where we accumulates and discloses the academic research results(Journal Publications, Conference presentation, Research and Development Report, Patent, etc.) of the members of National Institutes for Quantum and Radiological Science and Technology.
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Focusing on long-wavelength modes with toroidal mode numbers n=1-4, the
hybrid code MEGA was used to simulate the effect of MHD waves and reconnecting instabilities on energetic particles in beam-driven tokamak plasmas. The transport of fast ions is analyzed in detail. For instance, it is shown that the existence, location and width of magnetic islands can be irrelevant for the fast ions when magnetic drifts are large.
Fast Ion Dynamics in Tokamak Plasmas Subject to Pressure- and Current-Driven Instabilities
