IHEP OpenIR  > 粒子天体物理中心
Anisotropy and corotation of Galactic cosmic rays
Tibet ASGamma Collaboration
2006
发表期刊SCIENCE
卷号314期号:5798页码:439-443
通讯作者Zhang, Y (reprint author), Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China.
摘要The intensity of Galactic cosmic rays is nearly isotropic because of the influence of magnetic fields in the Milky Way. Here, we present two-dimensional high-precision anisotropy measurement for energies from a few to several hundred teraelectronvolts (TeV), using the large data sample of the Tibet Air Shower Arrays. Besides revealing finer details of the known anisotropies, a new component of Galactic cosmic ray anisotropy in sidereal time is uncovered around the Cygnus region direction. For cosmic-ray energies up to a few hundred TeV, all components of anisotropies fade away, showing a corotation of Galactic cosmic rays with the local Galactic magnetic environment. These results have broad implications for a comprehensive understanding of cosmic rays, supernovae, magnetic fields, and heliospheric and Galactic dynamic environments.
关键词AIR-SHOWER ARRAY SIDEREAL ANISOTROPIES ENERGY REGION POINT SOURCES ORIGIN PERFORMANCE INTENSITY EMISSION SEARCH GAS
学科领域Science & Technology - Other Topics
DOI10.1126/science.1131702
收录类别SCI
语种英语
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000241382500034
引用统计
被引频次:149[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/212721
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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Tibet ASGamma Collaboration. Anisotropy and corotation of Galactic cosmic rays[J]. SCIENCE,2006,314(5798):439-443.
APA Tibet ASGamma Collaboration.(2006).Anisotropy and corotation of Galactic cosmic rays.SCIENCE,314(5798),439-443.
MLA Tibet ASGamma Collaboration."Anisotropy and corotation of Galactic cosmic rays".SCIENCE 314.5798(2006):439-443.
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