The energy spectrum of all-particle cosmic rays around the knee region observed with the Tibet-III air-shower array

被引：6

作者：

Amenomori, M. ^{[2
]}

Ayabe, S. ^{[3
]}

Bi, X. J. ^{[4
]}

Chen, D. ^{[1
]}

Cui, S. W. ^{[5
]}

Danzengluobu ^{[6
]}

Ding, L. K. ^{[4
]}

Ding, X. H. ^{[6
]}

Feng, C. F. ^{[7
]}

Feng, Zhaoyang ^{[4
]}

Feng, Z. Y. ^{[8
]}

Gao, X. Y. ^{[9
]}

Geng, Q. X. ^{[9
]}

Guo, H. W. ^{[6
]}

He, H. H. ^{[4
]}

He, M. ^{[7
]}

Hibino, K. ^{[10
]}

Hotta, N. ^{[11
]}

Hu, Haibing ^{[6
]}

Hu, H. B. ^{[4
]}

Huang, J. ^{[12
]}

Huang, Q. ^{[8
]}

Jia, H. Y. ^{[8
]}

Kajino, F. ^{[13
]}

Kasahara, K. ^{[14
]}

Katayose, Y. ^{[1
]}

Kato, C. ^{[15
]}

Kawata, K. ^{[12
]}

Labaciren ^{[6
]}

Le, G. M. ^{[16
]}

Li, A. F. ^{[7
]}

Li, J. Y. ^{[7
]}

Lou, Y. -Q. ^{[17
,18
]}

Lu, H. ^{[4
]}

Lu, S. L. ^{[4
]}

Meng, X. R. ^{[6
]}

Mizutani, K. ^{[3
,19
]}

Mu, J. ^{[9
]}

Munakata, K. ^{[15
]}

Nagai, A. ^{[20
]}

Nanjo, H. ^{[2
]}

Nishizawa, M. ^{[21
]}

Ohnishi, M. ^{[12
]}

Ohta, I. ^{[22
]}

Onuma, H. ^{[3
]}

Ouchi, T. ^{[10
]}

Ozawa, S. ^{[12
]}

Ren, J. R. ^{[4
]}

Saito, T. ^{[23
]}

Saito, T. Y. ^{[12
]}

机构：

[1] Yokohama Natl Univ, Fac Engn, Yokohama, Kanagawa 2408501, Japan

[2] Hirosaki Univ, Dept Phys, Hirosaki, Aomori 0368561, Japan

[3] Saitama Univ, Dept Phys, Saitama 3388570, Japan

[4] Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China

[5] Hebei Normal Univ, Dept Phys, Shijiazhuang 050016, Peoples R China

[6] Tibet Univ, Dept Math & Phys, Lhasa 850000, Peoples R China

[7] Shandong Univ, Dept Phys, Jinan 250100, Peoples R China

[8] South West Jiaotong Univ, Inst Modern Phys, Chengdu 610031, Peoples R China

[9] Yunnan Univ, Dept Phys, Kunming 650091, Peoples R China

[10] Kanagawa Univ, Fac Engn, Yokohama, Kanagawa 2218686, Japan

[11] Utsunomiya Univ, Fac Educ, Utsunomiya, Tochigi 3218505, Japan

[12] Univ Tokyo, Inst Cosm Ray Res, Kashiwa, Chiba 2778582, Japan

[13] Konan Univ, Dept Phys, Kobe, Hyogo 6588501, Japan

[14] Shibaura Inst Technol, Fac Syst Engn, Saitama 3378570, Japan

[15] Shinshu Univ, Dept Phys, Matsumoto, Nagano 3908621, Japan

[16] Chinese Acad Sci, Ctr Space Sci & Applicat Res, Beijing 100080, Peoples R China

[17] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China

[18] Tsinghua Univ, Tsinghua Ctr Astrophys, Beijing 100084, Peoples R China

[19] Waseda Univ, Adv Res Inst Sci & Engn, Tokyo 1698555, Japan

[20] Utsunomiya Univ, Adv Media Network Ctr, Utsunomiya, Tochigi 3218585, Japan

[21] Natl Inst Informat, Tokyo 1018430, Japan

[22] Univ Air, Tochigi Study Ctr, Utsunomiya, Tochigi 3210943, Japan

[23] Tokyo Metropolitan Coll Ind Technol, Tokyo 1168523, Japan

[24] Shonan Inst Technol, Fujisawa, Kanagawa 2518511, Japan

[25] RIKEN, Wako, Saitama 3510198, Japan

[26] Shinshu Univ, Sch Gen Educ, Matsumoto, Nagano 3908621, Japan

来源：

ADVANCES IN SPACE RESEARCH | 2008年 / 42卷 / 03期

关键词：

cosmic rays; knee; air shower;

D O I：

10.1016/j.asr.2007.04.080

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

We have already reported the first result on the all-particle spectrum around the knee region based on data from 2000 November to 2001 October observed by the Tibet-III air-shower array. In this paper, we present an updated result using data set collected in the period from 2000 November through 2004 October in a wide range over 3 decades between 10(14) and 10(17) eV, in which the position of the knee is clearly seen at around 4 PeV. The spectral index is -2.68 +/- 0.02(stat.) below I PeV, while it is -3.12 +/- 0.01(stat.) above 4 PeV in the case of QGSJET+HD model, and various systematic errors should be carefully done in the very near future. (c) 2007 COSPAR. Published by Elsevier Ltd. All rights reserved.

引用

页码：467 / 472

页数：6

共 28 条

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