Investigation of fast pitch angle scattering of runaway electrons in the EAST tokamak
查看参考文献24篇
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文摘
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This paper reports that an experimental investigation of fast pitch angle scattering (FPAS) of runaway electrons in the EAST tokamak has been performed. From the newly developed infrared detector (HgCdTe) diagnostic system, the infrared synchrotron radiation emitted by relativistic electrons can be obtained as a function of time. The FPAS is analysed by means of the infrared detector diagnostic system and the other correlative diagnostic systems (including electron-cyclotron emission, hard x-ray, neutrons). It is found that the intensity of infrared synchrotron radiation and the electron-cyclotron emission signal increase rapidly at the time of FPAS because of the fast increase of pitch angle and the perpendicular velocity of the energetic runaway electrons. The Parail and Pogutse instability is a possible mechanism for the FPAS |
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来源
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Chinese Physics. B
,2010,19(12):125201-1-125201-6 【核心库】
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DOI
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10.1088/1674-1056/19/12/125201
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关键词
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runaway electron beam
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instability
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fast pitch angle scattering
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tokamak
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地址
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Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, 230030
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语种
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英文 |
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文献类型
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研究性论文 |
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ISSN
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1674-1056 |
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学科
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物理学 |
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基金
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国家自然科学基金
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JSPS-CAS Core University Program in the field of "Plasma and Nuclear Fusion"
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文献收藏号
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CSCD:4077661
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