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A study on the sharp knee and fine structures of cosmic ray spectra
Wang B(王博); Yuan Q(袁强); Fan C(樊超); Zhang JL(张建立); Hu HB(胡红波); Bi XJ(毕效军); Wang, B; Yuan, Q; Fan, C; Zhang, JL; Hu, HB; Bi, XJ
2010
发表期刊SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
卷号53期号:5页码:842-847
通讯作者[Wang Bo ; Yuan Qiang ; Fan Chao ; Zhang JianLi ; Hu HongBo ; Bi XiaoJun] Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China ; [Fan Chao] Shandong Univ, Dept Phys, Jinan 250100, Peoples R China
文章类型Article
摘要The paper investigates the overall and detailed features of cosmic ray (CR) spectra in the knee region using the scenario of nuclei-photon interactions around the acceleration sources. Young supernova remnants can be the physical realities of such kind of CR acceleration sites. The results show that the model can well explain the following problems simultaneously with one set of source parameters: the knee of CR spectra and the sharpness of the knee, the detailed irregular structures of CR spectra, the so-called "component B" of Galactic CRs, and the electron/positron excesses reported by recent observations. The coherent explanation serves as evidence that at least a portion of CRs might be accelerated at the sources similar to young supernova remnants, and one set of source parameters indicates that this portion mainly comes from standard sources or from a single source.
关键词cosmic ray knee fine structures e(+)e(-) excesses "component B" single source
学科领域Physics
DOI10.1007/s11433-010-0194-y
URL查看原文
语种英语
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000277449900012
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238589
专题粒子天体物理中心
多学科研究中心
作者单位中国科学院高能物理研究所
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Wang B,Yuan Q,Fan C,et al. A study on the sharp knee and fine structures of cosmic ray spectra[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2010,53(5):842-847.
APA 王博.,袁强.,樊超.,张建立.,胡红波.,...&Bi, XJ.(2010).A study on the sharp knee and fine structures of cosmic ray spectra.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,53(5),842-847.
MLA 王博,et al."A study on the sharp knee and fine structures of cosmic ray spectra".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 53.5(2010):842-847.
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