中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
太阳宇宙线高能电子能谱的形成

文献类型:期刊论文

作者黄永年 ; 汪学毅
刊名地球物理学报
出版日期1996
卷号39期号:2页码:145-151
ISSN号0001-5733
关键词加速 电子能谱 等离子体尾场 太阳宇宙线
其他题名THE FORMATION OF THE ENERGY SPECTRUM OF RELATIVISTIC ELECTRONS IN LARGE SOLAR FLARES
通讯作者北京8701信箱
中文摘要提出了一个太阳脉冲和经变耀斑中高能太阳宇宙线电子能谱的形成模型,探讨了高能电子通过日冕捕获区的库仑损失、轫致辐射和同步辐射等物理过程,首次研究了日冕等离子体尾场对太阳宇宙线电子的加速及其能谱的形成.所得结果和观测谱能很好地符合,从而较合理地阐明了脉冲耀斑和经变耀斑两类太阳宇宙线高能电子谱的结构.
英文摘要A model for the formation of energy spectrum of relativistic electrons in impulsive and long-duration solar flares is proposed. Coulomb energy losses, bremsstralung radiation and gyrosynchrotron radiation produced by the electrons through the corona ground plasma are discussed. The theory of coronal plasma wake field acceleration to include Coulomb energy losses,which is important among the three energy losses, is proposed. The results are obtained to successfully explain both the observed steeping of electron spectra below a few MeV following impulsive solar flares taking place at low coronal heights and the power law spectra of electrons in long-duration solar flares occurring in high coronal heights. It also can explain the reason for the observed spectral differences of relativistic electrons in impulsive and long-duration flares.
学科主题空间物理
资助信息国家自然科学基金
语种中文
源URL[http://ir.cssar.ac.cn/handle/122/1248]  
专题国家空间科学中心_空间科学部
推荐引用方式
GB/T 7714
黄永年,汪学毅. 太阳宇宙线高能电子能谱的形成[J]. 地球物理学报,1996,39(2):145-151.
APA 黄永年,&汪学毅.(1996).太阳宇宙线高能电子能谱的形成.地球物理学报,39(2),145-151.
MLA 黄永年,et al."太阳宇宙线高能电子能谱的形成".地球物理学报 39.2(1996):145-151.

入库方式: OAI收割

来源:国家空间科学中心

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