【作者单位】; 1 Univ Roma Tor Vergata, Dipartimento Fis, I-00133 Rome, Italy University of Rome Tor Vergata ; 2 Ist Nazl Fis Nucl, Sez Tor Vergata, I-00133 Rome, Italy Istituto Nazionale di Fisica Nucleare ; 3 Univ Roma Tre, Dipartimento Fis, I-00146 Rome, Italy Roma Tre University ; 4 Ist Nazl Fis Nucl, Sez Roma3, I-00146 Rome, Italy Istituto Nazionale di Fisica Nucleare ; 5 Complesso Univ Monte StAngelo, Sez Napoli, Ist Nazl Fis Nucl, I-80126 Naples, Italy Istituto Nazionale di Fisica Nucleare Istituto Nazionale Geofisica e Vulcanologia (INGV) ; 6 Complesso Univ Monte StAngelo, Univ Naples, Dipartimento Fis, I-80126 Naples, Italy University of Naples Federico II ; 7 Univ Salento, Dipartimento Fis, I-73100 Lecce, Italy University of Salento ; 8 Ist Nazl Fis Nucl, Sez Lecce, I-73100 Lecce, Italy Istituto Nazionale di Fisica Nucleare ; 9 Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China Chinese Academy of Sciences Institute of High Energy Physics, CAS ; 10 Ist Nazl Fis Nucl, Sez Pavia, I-27100 Pavia, Italy Istituto Nazionale di Fisica Nucleare ; 11 Ist Nazl Fis Nucl, CNAF, I-40127 Bologna, Italy Istituto Nazionale di Fisica Nucleare ; 12 Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy Istituto Nazionale di Fisica Nucleare ; 13 Ist Fis Spazio Interplanetario, Ist Nazl Astrofis, I-10133 Turin, Italy Istituto Nazionale Astrofisica - Italy ; 14 Tibet Univ, Dept Phys, Lhasa 850000, Xizang, Peoples R China Tibet University ; 15 Tibet Univ, Inst Cosm Ray Res, Lhasa 850000, Xizang, Peoples R China Tibet University ; 16 Hebei Normal Univ, Coll Phys Sci & Informat Engn, Shijiazhuang 050016, Hebei, Peoples R China Hebei Normal University ; 17 Yunnan Univ, Inst Cosm Ray Res, Kunming 650091, Yunnan, Peoples R China Yunnan University ; 18 Yunnan Univ, Dept Phys, Kunming 650091, Yunnan, Peoples R China Yunnan University ; 19 Ist Nazl Fis Nucl, Sez Catania, I-95125 Catania, Italy Istituto Nazionale di Fisica Nucleare Istituto Nazionale Geofisica e Vulcanologia (INGV) ; 20 Univ Palermo, Dipartimento Fis & Tecnol Relat, I-90128 Palermo, Italy University of Palermo - Italy ; 21 Univ Turin, Dipartimento Fis Gen, I-10125 Turin, Italy University of Turin ; 22 Shandong Univ, High Energy Phys Lab, Jinan 250100, Shandong, Peoples R China Shandong University ; 23 SW Jiaotong Univ, Inst Modern Phys, Chengdu 610031, Sichuan, Peoples R China Chinese Academy of Sciences Southwest Jiaotong University ; 24 Univ Pavia, Dipartimento Fis Nucl & Teor, I-27100 Pavia, Italy University of Pavia ; 25 Univ Salento, Dipartimento Ingn Innovaz, I-73100 Lecce, Italy University of Salento ; 26 Ist Nazl Astrofis, Ist Astrofis Spaziale & Fis Cosm Palermo, I-90146 Palermo, Italy
【年份】2011
【卷号】Vol.729 No.2
【页码】113(1-4)
【ISSN】0004-637X
【关键词】cosmic rays magnetic fields solar wind
【摘要】 The Sun blocks cosmic-ray particles from outside the solar system, forming a detectable shadow in the sky map of cosmic rays detected by the ARGO-YBJ experiment in Tibet. Because the cosmic-ray particles are positively charged, the magnetic field bet...
