Institution: | 1. Fermi National Accelerator Laboratory, Batavia, IL 60510, USA;2. Indiana University, Bloomington, IN 47405, USA;1. Institute for Experimental Physics, University of Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany;2. Skobeltsyn Institute for Nuclear Physics, Lomonosow Moscow State University, 1 Leninskie gory, 119991 Moscow, Russia;3. DESY, Platanenallee 6, 15378 Zeuthen, Germany;1. Center for Space Science and Astrophysics, Stanford University, Stanford, CA 94305, USA;2. Department of Physics, Purdue University, West Lafayette, IN 47907, USA;3. Edwards Air Force Base, CA 93524, USA;4. Department of Nuclear Engineering, Texas A&M University, College Station, TX 77843, USA;5. Department of Physics, United States Air Force Academy, Colorado Springs, CO 80920, USA;6. NASA/Ames Research Center, MS 245-3, Moffett Field, CA 94035, USA;1. Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China;2. National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China;3. Faculty of Engineering, Yokohama National University, Yokohama 240-8501, Japan;4. Department of Physics, Shandong University, Jinan 250100, China;5. Institute of Modern Physics, Southwest Jiaotong University, Chengdu 610031, China;6. Physics Department of Science School, Tibet University, Lhasa 850000, China;7. Institute for Cosmic Ray Research, University of Tokyo, Kashiwa 277-8582, Japan;1. Departamento de Física de Partículas & Instituto Galego de Física de Altas Enerxías, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain;2. University of Hawaii at Manoa, Department of Physics and Astronomy, Honolulu, HI 96822, USA |