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Collisionless pitch-angle scattering of runaway electrons

机译:失控电子的无碰撞螺距角散射

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摘要

It is discovered that the tokamak field geometry generates a toroidicity induced broadening of the pitch-angle distribution of runaway electrons. This collisionless pitch-angle scattering is much stronger than the collisional scattering and invalidates the gyro-center model for runaway electrons. As a result, the energy limit of runaway electrons is found to be larger than the prediction of the gyro-center model and to depend heavily on the background magnetic field.
机译:已经发现,托卡马克场的几何形状产生了环形感应的失控电子的螺距角分布的拓宽。这种无碰撞的俯仰角散射比碰撞散射要强得多,并使失控电子的陀螺中心模型无效。结果,发现失控电子的能量极限大于陀螺中心模型的预测,并且很大程度上取决于背景磁场。

著录项

  • 来源
    《Nuclear fusion》 |2016年第6期|064002.1-064002.7|共7页
  • 作者

    Jian Liu; Yulei Wang; Hong Qin;

  • 作者单位

    School of Nuclear Science and Technology and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China,Key Laboratory of Geospace Environment, CAS, Hefei, Anhui 230026, People's Republic of China;

    School of Nuclear Science and Technology and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China,Key Laboratory of Geospace Environment, CAS, Hefei, Anhui 230026, People's Republic of China;

    School of Nuclear Science and Technology and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China,Plasma Physics Laboratory, Princeton University, Princeton, NJ 08543, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    runaway electron; neoclassical scattering; pitch-angle scattering; volume-preserving algorithm; energy limit; gyro-center model; toroidal geometry;

    机译:电子失控新古典散射俯仰角散射;体积保持算法;能量极限陀螺中心模型环形几何;

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