Runaway electrons as a diagnostic of plasma internal magnetic fluctuations

• 来源期刊: 中国物理（英文版）
• 关键词: transport of runway electron diffusivity intrinsic magnetic fluctuations HXR
• 年，卷（期）: 2006,（5）
• 页码范围: 1035-1040
• 页数: 6页
• 语种: 英文

摘要

The transport of runaway electrons in a high-temperature plasma is relatively easy to measure in a steady state experiment and a perturbation experiment, which provides runaway electron diffusion coefficient Dr. This diffusion coefficient is determined by internal magnetic fluctuations, so it can be interpreted in terms of a magnetic fluctuation level. The internal magnetic fluctuation level (br/BT) is estimated to be about (2-4)×-4 in the HL-1M plasma. The results presented here demonstrate the effectiveness of using runaway electron transport techniques to determine internal magnetic fluctuations. A profile of magnetic fluctuation level in the HL-1M plasma can be estimated from Dr.