【作者单位】[ 1 ] Hirosaki Univ, Dept Phys, Hirosaki, Aomori 0368561, Japan Organization-Enhanced Name(s) Hirosaki University [ 2 ] Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China Organization-Enhanced Name(s) Chinese Academy of Sciences Institute of High Energy Physics, CAS [ 3 ] Yokohama Natl Univ, Fac Engn, Yokohama, Kanagawa 2408501, Japan Organization-Enhanced Name(s) Yokohama National University [ 4 ] Hebei Normal Univ, Dept Phys, Shijiazhuang 050016, Peoples R China Organization-Enhanced Name(s) Hebei Normal University [ 5 ] Tibet Univ, Dept Math & Phys, Lhasa 850000, Peoples R China Organization-Enhanced Name(s) Tibet University [ 6 ] Shandong Univ, Dept Phys, Jinan 250100, Peoples R China Organization-Enhanced Name(s) Shandong University [ 7 ] SW Jiaotong Univ, Inst Modern Phys, Chengdu, Peoples R China Organization-Enhanced Name(s) Southwest Jiaotong University Chinese Academy of Sciences [ 8 ] Yunnan Univ, Dept Phys, Kunming 650091, Peoples R China Organization-Enhanced Name(s) Yunnan University [ 9 ] Kanagawa Univ, Fac Engn, Yokohama, Kanagawa 2218686, Japan Organization-Enhanced Name(s) Kanagawa University [ 10 ] Utsunomiya Univ, Fac Educ, Utsunomiya, Tochigi 3218505, Japan Organization-Enhanced Name(s) Utsunomiya University [ 11 ] Univ Tokyo, Inst Cosm Ray Res, Kashiwa, Chiba 2778582, Japan Organization-Enhanced Name(s) University of Tokyo [ 12 ] Konan Univ, Dept Phys, Kobe, Hyogo 6588501, Japan Organization-Enhanced Name(s) Konan University [ 13 ] Waseda Univ, Res Inst Sci & Engn, Tokyo 1698555, Japan Organization-Enhanced Name(s) Waseda University [ 14 ] Shinshu Univ, Dept Phys, Matsumoto, Nagano 3908621, Japan Organization-Enhanced Name(s) Shinshu University [ 15 ] Chinese Acad Sci, Ctr Space Sci & Applicat Res, Beijing 100080, Peoples R China Organization-Enhanced Name(s) Chinese Academy of Sciences [ 16 ] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China Organization-Enhanced Name(s) Tsinghua University [ 17 ] Tsinghua Univ, Tsinghua Ctr Astrophys, Beijing 100084, Peoples R China Organization-Enhanced Name(s) Tsinghua University [ 18 ] Saitama Univ, Dept Phys, Saitama 3388570, Japan Organization-Enhanced Name(s) Saitama University [ 19 ] Utsunomiya Univ, Adv Media Network Ctr, Utsunomiya, Tochigi 3218585, Japan Organization-Enhanced Name(s) Utsunomiya University [ 20 ] Natl Inst Informat, Tokyo 1018430, Japan Organization-Enhanced Name(s) Research Organization of Information & Systems (ROIS) National Institute of Informatics (NII) [ 21 ] Univ Air, Tochigi Study Ctr, Utsunomiya, Tochigi 3210943, Japan [ 22 ] Tokyo Metropolitan Coll Ind Technol, Tokyo 1168523, Japan [ 23 ] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany Organization-Enhanced Name(s) Max Planck Society [ 24 ] Shonan Inst Technol, Fujisawa, Kanagawa 2518511, Japan [ 25 ] RIKEN, Wako, Saitama 3510198, Japan Organization-Enhanced Name(s) RIKEN [ 26 ] Shinshu Univ, Sch Gen Educ, Matsumoto, Nagano 3908621, Japan Organization-Enhanced Name(s) Shinshu University
【年份】2008
【卷号】Vol.672 No.1
【页码】L53-L56
【ISSN】0004-637X;1538-4357
【关键词】cosmic rays solar system : general
【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)...
