【作者单位】1 Department of Physics, Hirosaki University, Hirosaki 036-8561, Japan 2 Department of Physics, Saitama University, Saitama 338-8570, Japan 3 Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Science, Beijing 100049, China 4 Faculty of Engineering, Yokohama National University, Yokohama 240-8501, Japan 5 Department of Physics, Hebei Normal University, Shijiazhuang 050016, China 6 Department of Mathematics and Physics, Tibet University, Lhasa 850000, China 7 Department of Physics, Shandong University, Jinan 250100, China 8 Institute of Modern Physics, South West Jiaotong University, Chengdu 610031, China 9 Department of Physics, Yunnan University, Kunming 650091, China 10 Faculty of Engineering, Kanagawa University, Yokohama 221-8686, Japan 11 Faculty of Education, Utsunomiya University, Utsunomiya 321-8505, Japan
【年份】2007
【卷号】Vol.28 NO.1
【页码】137-142
【ISSN】0927-6505
【关键词】cosmic rays air shower anti-matter observation and data analysis simulations AIR-SHOWER ARRAY CLOSED GALAXY GAMMA-RAYS FLUX ELEMENTS NUCLEI MODEL
【摘要】 We have observed the shadowing of galactic cosmic ray flux in the direction of the moon, the so-called moon shadow, using the Tibet-III air shower array operating at Yangbajing (4300 in a.s.l.) in Tibet since 1999. Almost all cosmic rays are positive...
