The cosmic-ray energy spectrum between 10(14.5) and 10(16.3) eV covering the ''knee'' region
Tibet ASγ Collaboration
刊名ASTROPHYSICAL JOURNAL
1996
卷号461期号:1页码:#REF!
学科分类Astronomy & Astrophysics
DOI10.1086/177069
通讯作者Amenomori, M (reprint author), HIROSAKI UNIV,DEPT PHYS,HIROSAKI,AOMORI 036,JAPAN.
文章类型Article
英文摘要The Tibet array is the first air shower detector to search for 10 TeV gamma-ray point sources. This array also has a high sensitivity to air showers initiated by cosmic rays around the ''knee'' of the all-particle spectrum at 10(15)-10(16)eV, with quite small ambiguity for the energy estimation, since the development of air showers in this high energy region is close to maximum at Yangbajing altitude (4300 m above sea level). Using the data set taken with the Tibet array in the period from 1990 October through 1993 July, we obtained the differential energy spectrum of primary cosmic rays between 3 x 10(14) and 2 x 10(16) eV covering the knee region. The overall spectrum obtained does not resemble a single power law and shows a gradual steepening of the slope at energies around 10(15.25)eV. The spectrum is expressed as J(E(0)) = 1.5 x 10(-20)(E(0)/10(14.75) eV)(-2.60+/-0.04)(m(-2) S-1 Sr-1 eV(-1)) at E(0) < 10(14.75) eV and J(E(0)) = 1.2 x 10(-23)(E(0)/10(15.85) eV)(-3.00+/-0.05)(m(-2) s(-1) sr(-1) eV(-1)) at E(0) > 10(15.85)eV, where this changes gradually between 10(14.75) and 10(15.85) eV and takes the value J(E(0)) = 6.7 x 10(-22) (m(-2) s(-1) sr(-1) eV(-1)) at E(0) = 10(15.25)eV.
类目[WOS]Astronomy & Astrophysics
收录类别SCI
WOS记录号WOS:A1996UD64600036
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被引频次:72[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/311005/227625
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
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Tibet ASγ Collaboration. The cosmic-ray energy spectrum between 10(14.5) and 10(16.3) eV covering the ''knee'' region[J]. ASTROPHYSICAL JOURNAL,1996,461(1):#REF!.
APA Tibet ASγ Collaboration.(1996).The cosmic-ray energy spectrum between 10(14.5) and 10(16.3) eV covering the ''knee'' region.ASTROPHYSICAL JOURNAL,461(1),#REF!.
MLA Tibet ASγ Collaboration."The cosmic-ray energy spectrum between 10(14.5) and 10(16.3) eV covering the ''knee'' region".ASTROPHYSICAL JOURNAL 461.1(1996):#REF!.
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