ON TEMPORAL VARIATIONS OF THE MULTI-TeV COSMIC RAY ANISOTROPY USING THE TIBET III AIR SHOWER ARRAY

被引：40

作者：

Amenomori, M. ^{[1
]}

Bi, X. J. ^{[2
]}

Chen, D. ^{[3
]}

Cui, S. W. ^{[4
]}

Danzengluobu ^{[5
]}

Ding, L. K. ^{[2
]}

Ding, X. H. ^{[5
]}

Fan, C. ^{[2
,6
]}

Feng, C. F. ^{[6
]}

Feng, Zhaoyang ^{[2
]}

Feng, Z. Y. ^{[7
]}

Gao, X. Y. ^{[8
]}

Geng, Q. X. ^{[8
]}

Gou, Q. B. ^{[2
]}

Guo, H. W. ^{[5
]}

He, H. H. ^{[2
]}

He, M. ^{[6
]}

Hibino, K. ^{[9
]}

Hotta, N. ^{[10
]}

Hu, Haibing ^{[5
]}

Hu, H. B. ^{[2
]}

Huang, J. ^{[2
]}

Huang, Q. ^{[7
]}

Jia, H. Y. ^{[7
]}

Jiang, L. ^{[2
,8
]}

Kajino, F. ^{[11
]}

Kasahara, K. ^{[12
]}

Katayose, Y. ^{[13
]}

Kato, C. ^{[14
]}

Kawata, K. ^{[3
]}

Labaciren ^{[5
]}

Le, G. M. ^{[15
]}

Li, A. F. ^{[6
]}

Li, H. C. ^{[2
,4
]}

Li, J. Y. ^{[6
]}

Liu, C. ^{[2
]}

Lou, Y. -Q. ^{[16
,17
]}

Lu, H. ^{[2
]}

Meng, X. R. ^{[5
]}

Mizutani, K. ^{[12
,18
]}

Mu, J.

Munakata, K. ^{[14
]}

Nagai, A. ^{[19
]}

Nanjo, H. ^{[1
]}

Nishizawa, M. ^{[20
]}

Ohnishi, M. ^{[3
]}

Ohta, I. ^{[21
]}

Ozawa, S. ^{[12
]}

Saito, T. ^{[22
]}

Saito, T. Y. ^{[23
]}

机构：

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

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

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

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

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

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

[7] SW Jiaotong Univ, Inst Modern Phys, Chengdu 610031, Peoples R China

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

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

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

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

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

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

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

[15] China Meteorol Adm, Natl Ctr Space Weather, Beijing 100081, Peoples R China

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

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

[18] Saitama Univ, Saitama 3388570, Japan

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

[20] Natl Inst Informat, Tokyo 1018430, Japan

[21] Sakushin Gakuin Univ, Utsunomiya, Tochigi 3213295, Japan

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

[23] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

[24] Nihon Univ, Coll Ind Technol, Narashino, Chiba 2758576, Japan

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

[26] RIKEN, Wako, Saitama 3510198, Japan

[27] Inst Disaster Prevent Sci & Technol, Yanjiao 065201, Peoples R China

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

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

来源：

ASTROPHYSICAL JOURNAL | 2010年 / 711卷 / 01期

基金：

中国国家自然科学基金; 日本学术振兴会;

关键词：

cosmic rays; diffusion; ISM: magnetic fields; solar neighborhood; Sun: activity; SIDEREAL ANISOTROPY; MAGNETIC-FIELD; SPACED DATA; INTENSITY; SOLAR;

D O I：

10.1088/0004-637X/711/1/119

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We analyze the large-scale two-dimensional sidereal anisotropy of multi-TeV cosmic rays (CRs) by the Tibet Air Shower Array, with the data taken from 1999 November to 2008 December. To explore temporal variations of the anisotropy, the data set is divided into nine intervals, each with a time span of about one year. The sidereal anisotropy of magnitude, about 0.1%, appears fairly stable from year to year over the entire observation period of nine years. This indicates that the anisotropy of TeV Galactic CRs remains insensitive to solar activities since the observation period covers more than half of the 23rd solar cycle.

引用

页码：119 / 124

页数：6

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