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New estimation of the spectral index of high-energy cosmic rays as determined by the Compton-Getting anisotropy
Tibet ASγ Collaboration
2008
发表期刊ASTROPHYSICAL JOURNAL LETTERS
卷号672期号:1页码:#REF!
通讯作者Amenomori, M (reprint author), Hirosaki Univ, Dept Phys, Hirosaki, Aomori 0368561, Japan.
文章类型Article
摘要The amplitude of the Compton-Getting (CG) anisotropy contains the power-law index of the cosmic-ray energy spectrum. Based on this relation and using the Tibet air shower array data, we measure the cosmic-ray spectral index to be -3.03 +/- 0.55(stat) +/- < 0.62(syst) between 6 and 40 TeV, consistent with -2.7 from direct energy spectrum measurements. Potentially, this CG anisotropy analysis can be utilized to confirm the astrophysical origin of the "knee" against models for nonstandard hadronic interactions in the atmosphere.
关键词cosmic rays solar system : general
学科领域Astronomy & Astrophysics
DOI10.1086/525526
收录类别SCI
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000255231900014
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被引频次:7[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/311005/227862
专题粒子天体物理中心
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Tibet ASγ Collaboration. New estimation of the spectral index of high-energy cosmic rays as determined by the Compton-Getting anisotropy[J]. ASTROPHYSICAL JOURNAL LETTERS,2008,672(1):#REF!.
APA Tibet ASγ Collaboration.(2008).New estimation of the spectral index of high-energy cosmic rays as determined by the Compton-Getting anisotropy.ASTROPHYSICAL JOURNAL LETTERS,672(1),#REF!.
MLA Tibet ASγ Collaboration."New estimation of the spectral index of high-energy cosmic rays as determined by the Compton-Getting anisotropy".ASTROPHYSICAL JOURNAL LETTERS 672.1(2008):#REF!.
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