PMO OpenIR  > 太阳活动的多波段观测研究团组
Energy cutoff, energy index, and density of nonthermal electrons responsible for solar microwave and HXR bursts
Guang-Li Huang
2000
Source PublicationSolar Physics
Volume196Issue:2Pages:395-402
AbstractThe 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
Subject AreaAstronomy & Astrophysics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8268
Collection太阳活动的多波段观测研究团组
Recommended Citation
GB/T 7714
Guang-Li Huang. Energy cutoff, energy index, and density of nonthermal electrons responsible for solar microwave and HXR bursts[J]. Solar Physics,2000,196(2):395-402.
APA Guang-Li Huang.(2000).Energy cutoff, energy index, and density of nonthermal electrons responsible for solar microwave and HXR bursts.Solar Physics,196(2),395-402.
MLA Guang-Li Huang."Energy cutoff, energy index, and density of nonthermal electrons responsible for solar microwave and HXR bursts".Solar Physics 196.2(2000):395-402.
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