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
Huang, GL
2000-10-01
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.
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordWAVES ; RADIO
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000165267400014
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/15786
Collection太阳活动的多波段观测研究团组
Affiliation1.Acad Sinica, Purple Mt Observ, Nanjing 210008, Peoples R China
2.CAS, Natl Astron Observ, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Huang, GL. 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 Huang, GL.(2000).Energy cutoff, energy index, and density of nonthermal electrons responsible for solar microwave and HXR bursts.SOLAR PHYSICS,196(2),395-402.
MLA Huang, GL."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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