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PMO OpenIR  > 太阳活动的多波段观测研究团组  > 期刊论文
题名: Energy cutoff, energy index, and density of nonthermal electrons responsible for solar microwave and HXR bursts
作者: Huang, GL
刊名: SOLAR PHYSICS
出版日期: 2000-10-01
卷号: 196, 期号:2, 页码:395-402
文章类型: Article
英文摘要: The purpose of this paper is to investigate the crossing point of the power-law distribution lines calculated during different times of microwave and hard X-ray bursts. A linear correlation between the logarithm of the total density and the energy index of nonthermal electrons described by a power-law is proven to be a necessary condition for the crossing of a group of power-law distribution lines corresponding to the time evolution of the nonthermal electrons during a solar microwave and HXR burst. The common crossing point of these lines may be considered as evidence of a common cutoff energy of the nonthermal electrons responsible for gyrosynchrotron or bremsstrahlung radiation. When the common crossing point is close to the low-energy cutoff, the correlation coefficient is negative, and vice versa. The result may be useful for estimating the cutoff energy as well as the particle acceleration mechanism.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: WAVES ; RADIO
收录类别: SCI
语种: 英语
WOS记录号: WOS:000165267400014
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15786
Appears in Collections:太阳活动的多波段观测研究团组_期刊论文

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作者单位: 1.Acad Sinica, Purple Mt Observ, Nanjing 210008, Peoples R China
2.CAS, Natl Astron Observ, Beijing, Peoples R China
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