First result from the Alpha Magnetic Spectrometer on the International Space Station: precision measurement of the positron fraction in primary cosmic rays of 0.5-350 GeV.

• Aguilar M European Organization for Nuclear Research, CERN, CH-1211 Geneva 23, Switzerland and Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, CIEMAT, E-28040 Madrid, Spain.
• Alberti G INFN-Sezione di Perugia, I-06100 Perugia, Italy and Università di Perugia, I-06100 Perugia, Italy.
• Alpat B INFN-Sezione di Perugia, I-06100 Perugia, Italy.
• Alvino A INFN-Sezione di Perugia, I-06100 Perugia, Italy and Università di Perugia, I-06100 Perugia, Italy.
• Ambrosi G INFN-Sezione di Perugia, I-06100 Perugia, Italy.
• Andeen K Institut für Experimentelle Kernphysik, Karlsruhe Institute of Technology, KIT, D-76128 Karlsruhe, Germany.
• Anderhub H Institute for Particle Physics, ETH Zürich, CH-8093 Zürich, Switzerland.
• Arruda L Laboratório de Instrumentação e Física Experimental de Partículas, LIP, P-1000 Lisboa, Portugal.
• Azzarello P DPNC, Université de Genève, CH-1211 Genève 4, Switzerland and INFN-Sezione di Perugia, I-06100 Perugia, Italy.
• Bachlechner A I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Barao F Laboratório de Instrumentação e Física Experimental de Partículas, LIP, P-1000 Lisboa, Portugal.
• Baret B Laboratoire de Physique subatomique et de cosmologie, LPSC, IN2P3/CNRS and Université Joseph Fourier, Grenoble INP, F-38026 Grenoble, France.
• Barrau A Laboratoire de Physique subatomique et de cosmologie, LPSC, IN2P3/CNRS and Université Joseph Fourier, Grenoble INP, F-38026 Grenoble, France.
• Barrin L European Organization for Nuclear Research, CERN, CH-1211 Geneva 23, Switzerland.
• Bartoloni A INFN-Sezione di Roma 1, I-00185 Roma, Italy.
• Basara L Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France.
• Basili A Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Batalha L Laboratório de Instrumentação e Física Experimental de Partículas, LIP, P-1000 Lisboa, Portugal.
• Bates J NASA, National Aeronautics and Space Administration, Johnson Space Center, JSC, and Jacobs-Sverdrup, Houston, Texas 77058, USA.
• Battiston R INFN-Sezione di Perugia, I-06100 Perugia, Italy and Università di Perugia, I-06100 Perugia, Italy and INFN-TIFPA and Università di Trento, I-38123 Povo, Trento, Italy.
• Bazo J INFN-Sezione di Perugia, I-06100 Perugia, Italy.
• Becker R Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Becker U Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Behlmann M Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Beischer B I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Berdugo J Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, CIEMAT, E-28040 Madrid, Spain.
• Berges P Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Bertucci B INFN-Sezione di Perugia, I-06100 Perugia, Italy and Università di Perugia, I-06100 Perugia, Italy.
• Bigongiari G INFN-Sezione di Pisa, I-56100 Pisa, Italy and Università di Pisa, I-56100 Pisa, Italy.
• Biland A Institute for Particle Physics, ETH Zürich, CH-8093 Zürich, Switzerland.
• Bindi V University of Hawaii, Physics and Astronomy Department, 2505 Correa Road, WAT 432; Honolulu, Hawaii 96822, USA.
• Bizzaglia S INFN-Sezione di Perugia, I-06100 Perugia, Italy.
• Boella G INFN-Sezione di Milano-Bicocca, I-20126 Milano, Italy and Università di Milano-Bicocca, I-20126 Milano, Italy.
• de Boer W Institut für Experimentelle Kernphysik, Karlsruhe Institute of Technology, KIT, D-76128 Karlsruhe, Germany.
• Bollweg K NASA, National Aeronautics and Space Administration, Johnson Space Center, JSC, and Jacobs-Sverdrup, Houston, Texas 77058, USA.
• Bolmont J Laboratoire Univers et Particules de Montpellier, LUPM (ex LPTA), IN2P3/CNRS and Université de Montpellier II, F-34095 Montpellier, France.
• Borgia B INFN-Sezione di Roma 1, I-00185 Roma, Italy and Università di Roma La Sapienza, I-00185 Roma, Italy.
• Borsini S INFN-Sezione di Perugia, I-06100 Perugia, Italy and Università di Perugia, I-06100 Perugia, Italy.
• Boschini MJ INFN-Sezione di Milano-Bicocca, I-20126 Milano, Italy.
• Boudoul G Laboratoire de Physique subatomique et de cosmologie, LPSC, IN2P3/CNRS and Université Joseph Fourier, Grenoble INP, F-38026 Grenoble, France.
• Bourquin M DPNC, Université de Genève, CH-1211 Genève 4, Switzerland.
• Brun P Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France.
• Buénerd M Laboratoire de Physique subatomique et de cosmologie, LPSC, IN2P3/CNRS and Université Joseph Fourier, Grenoble INP, F-38026 Grenoble, France.
• Burger J Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Burger W Università di Perugia, I-06100 Perugia, Italy.
• Cadoux F Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France and DPNC, Université de Genève, CH-1211 Genève 4, Switzerland.
• Cai XD Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Capell M Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Casadei D INFN-Sezione di Bologna, I-40126 Bologna, Italy and Università di Bologna, I-40126 Bologna, Italy.
• Casaus J Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, CIEMAT, E-28040 Madrid, Spain.
• Cascioli V INFN-Sezione di Perugia, I-06100 Perugia, Italy and Università di Perugia, I-06100 Perugia, Italy.
• Castellini G CNR-IROE, I-50125 Firenze, Italy.
• Cernuda I Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, CIEMAT, E-28040 Madrid, Spain.
• Cervelli F INFN-Sezione di Pisa, I-56100 Pisa, Italy.
• Chae MJ Department of Physics, Ewha Womans University, Seoul, 120-750, Korea.
• Chang YH National Central University, NCU, Chung-Li, Tao Yuan 32054, Taiwan.
• Chen AI Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Chen CR National Space Organization, Hsin-Chu City, 300, Taiwan.
• Chen H Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Cheng GM Institute of High Energy Physics, IHEP, Chinese Academy of Sciences, Beijing, 100039, China.
• Chen HS Institute of High Energy Physics, IHEP, Chinese Academy of Sciences, Beijing, 100039, China.
• Cheng L Shandong University, SDU, Jinan, Shandong, 250100, China.
• Chernoplyiokov N Kurchatov Institute, Russian Research Centre, Moscow, 123182, Russia.
• Chikanian A Physics Department, Yale University, New Haven, Connecticut 06520, USA.
• Choumilov E Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Choutko V Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Chung CH I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Clark C NASA, National Aeronautics and Space Administration, Johnson Space Center, JSC, and Jacobs-Sverdrup, Houston, Texas 77058, USA.
• Clavero R Instituto de Astrofísica de Canarias, IAC, E-38205, La Laguna, Tenerife, Spain.
• Coignet G Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France.
• Commichau V Institute for Particle Physics, ETH Zürich, CH-8093 Zürich, Switzerland.
• Consolandi C University of Hawaii, Physics and Astronomy Department, 2505 Correa Road, WAT 432; Honolulu, Hawaii 96822, USA and INFN-Sezione di Milano-Bicocca, I-20126 Milano, Italy.
• Contin A INFN-Sezione di Bologna, I-40126 Bologna, Italy and Università di Bologna, I-40126 Bologna, Italy.
• Corti C University of Hawaii, Physics and Astronomy Department, 2505 Correa Road, WAT 432; Honolulu, Hawaii 96822, USA.
• Costado Dios MT Instituto de Astrofísica de Canarias, IAC, E-38205, La Laguna, Tenerife, Spain.
• Coste B Laboratoire de Physique subatomique et de cosmologie, LPSC, IN2P3/CNRS and Université Joseph Fourier, Grenoble INP, F-38026 Grenoble, France.
• Crespo D Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, CIEMAT, E-28040 Madrid, Spain.
• Cui Z Shandong University, SDU, Jinan, Shandong, 250100, China.
• Dai M Institute of Electrical Engineering, IEE, Chinese Academy of Sciences, Beijing, 100080, China.
• Delgado C Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, CIEMAT, E-28040 Madrid, Spain.
• Della Torre S INFN-Sezione di Milano-Bicocca, I-20126 Milano, Italy and Università di Milano-Bicocca, I-20126 Milano, Italy.
• Demirkoz B Department of Physics, Middle East Technical University, METU, 06800 Ankara, Turkey.
• Dennett P Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Derome L Laboratoire de Physique subatomique et de cosmologie, LPSC, IN2P3/CNRS and Université Joseph Fourier, Grenoble INP, F-38026 Grenoble, France.
• Di Falco S INFN-Sezione di Pisa, I-56100 Pisa, Italy.
• Diao XH Sun Yat-sen University, SYSU, Guangzhou, 510275, China.
• Diago A Instituto de Astrofísica de Canarias, IAC, E-38205, La Laguna, Tenerife, Spain.
• Djambazov L Institute for Particle Physics, ETH Zürich, CH-8093 Zürich, Switzerland.
• Díaz C Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, CIEMAT, E-28040 Madrid, Spain.
• von Doetinchem P I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Du WJ Shandong University, SDU, Jinan, Shandong, 250100, China.
• Dubois JM Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France.
• Duperay R Laboratoire de Physique subatomique et de cosmologie, LPSC, IN2P3/CNRS and Université Joseph Fourier, Grenoble INP, F-38026 Grenoble, France.
• Duranti M INFN-Sezione di Perugia, I-06100 Perugia, Italy and Università di Perugia, I-06100 Perugia, Italy.
• D'Urso D European Organization for Nuclear Research, CERN, CH-1211 Geneva 23, Switzerland and INFN-Sezione di Perugia, I-06100 Perugia, Italy.
• Egorov A Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Eline A Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Eppling FJ Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Eronen T Space Research Laboratory, Department of Physics, University of Turku, FIN-20014 Turku, Finland.
• van Es J National Aerospace Laboratory, NLR, NL-8300 AD Emmeloord, Netherlands.
• Esser H I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Falvard A Laboratoire Univers et Particules de Montpellier, LUPM (ex LPTA), IN2P3/CNRS and Université de Montpellier II, F-34095 Montpellier, France.
• Fiandrini E INFN-Sezione di Perugia, I-06100 Perugia, Italy and Università di Perugia, I-06100 Perugia, Italy.
• Fiasson A Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France.
• Finch E Physics Department, Yale University, New Haven, Connecticut 06520, USA.
• Fisher P Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Flood K Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Foglio R Laboratoire de Physique subatomique et de cosmologie, LPSC, IN2P3/CNRS and Université Joseph Fourier, Grenoble INP, F-38026 Grenoble, France.
• Fohey M NASA, National Aeronautics and Space Administration, Johnson Space Center, JSC, and Jacobs-Sverdrup, Houston, Texas 77058, USA.
• Fopp S I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Fouque N Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France.
• Galaktionov Y Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Gallilee M Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Gallin-Martel L Laboratoire de Physique subatomique et de cosmologie, LPSC, IN2P3/CNRS and Université Joseph Fourier, Grenoble INP, F-38026 Grenoble, France.
• Gallucci G INFN-Sezione di Pisa, I-56100 Pisa, Italy.
• García B Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, CIEMAT, E-28040 Madrid, Spain.
• García J Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, CIEMAT, E-28040 Madrid, Spain.
• García-López R Instituto de Astrofísica de Canarias, IAC, E-38205, La Laguna, Tenerife, Spain.
• García-Tabares L Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, CIEMAT, E-28040 Madrid, Spain.
• Gargiulo C Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA and INFN-Sezione di Roma 1, I-00185 Roma, Italy.
• Gast H I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Gebauer I Institut für Experimentelle Kernphysik, Karlsruhe Institute of Technology, KIT, D-76128 Karlsruhe, Germany.
• Gentile S INFN-Sezione di Roma 1, I-00185 Roma, Italy and Università di Roma La Sapienza, I-00185 Roma, Italy.
• Gervasi M INFN-Sezione di Milano-Bicocca, I-20126 Milano, Italy and Università di Milano-Bicocca, I-20126 Milano, Italy.
• Gillard W Laboratoire de Physique subatomique et de cosmologie, LPSC, IN2P3/CNRS and Université Joseph Fourier, Grenoble INP, F-38026 Grenoble, France.
• Giovacchini F Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, CIEMAT, E-28040 Madrid, Spain.
• Girard L Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France.
• Goglov P Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Gong J Southeast University, SEU, Nanjing, 210096, China.
• Goy-Henningsen C Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France.
• Grandi D INFN-Sezione di Milano-Bicocca, I-20126 Milano, Italy.
• Graziani M INFN-Sezione di Perugia, I-06100 Perugia, Italy and Università di Perugia, I-06100 Perugia, Italy.
• Grechko A Kurchatov Institute, Russian Research Centre, Moscow, 123182, Russia.
• Gross A I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Guerri I INFN-Sezione di Pisa, I-56100 Pisa, Italy and Università di Pisa, I-56100 Pisa, Italy.
• de la Guía C Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, CIEMAT, E-28040 Madrid, Spain.
• Guo KH Sun Yat-sen University, SYSU, Guangzhou, 510275, China.
• Habiby M DPNC, Université de Genève, CH-1211 Genève 4, Switzerland.
• Haino S National Central University, NCU, Chung-Li, Tao Yuan 32054, Taiwan and INFN-Sezione di Perugia, I-06100 Perugia, Italy.
• Hauler F Institut für Experimentelle Kernphysik, Karlsruhe Institute of Technology, KIT, D-76128 Karlsruhe, Germany.
• He ZH Sun Yat-sen University, SYSU, Guangzhou, 510275, China.
• Heil M Institut für Experimentelle Kernphysik, Karlsruhe Institute of Technology, KIT, D-76128 Karlsruhe, Germany.
• Heilig J NASA, National Aeronautics and Space Administration, Johnson Space Center, JSC, and Jacobs-Sverdrup, Houston, Texas 77058, USA.
• Hermel R Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France.
• Hofer H Institute for Particle Physics, ETH Zürich, CH-8093 Zürich, Switzerland.
• Huang ZC Sun Yat-sen University, SYSU, Guangzhou, 510275, China.
• Hungerford W Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA and NASA, National Aeronautics and Space Administration, Johnson Space Center, JSC, and Jacobs-Sverdrup, Houston, Texas 77058, USA.
• Incagli M Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA and INFN-Sezione di Pisa, I-56100 Pisa, Italy.
• Ionica M INFN-Sezione di Perugia, I-06100 Perugia, Italy and Università di Perugia, I-06100 Perugia, Italy.
• Jacholkowska A Laboratoire Univers et Particules de Montpellier, LUPM (ex LPTA), IN2P3/CNRS and Université de Montpellier II, F-34095 Montpellier, France.
• Jang WY CHEP, Kyungpook National University, 702-701 Daegu, Korea.
• Jinchi H Chung-Shan Institute of Science and Technology, Lung-Tan, Tao Yuan 325, Taiwan.
• Jongmanns M Institute for Particle Physics, ETH Zürich, CH-8093 Zürich, Switzerland.
• Journet L Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France.
• Jungermann L Institut für Experimentelle Kernphysik, Karlsruhe Institute of Technology, KIT, D-76128 Karlsruhe, Germany.
• Karpinski W I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Kim GN CHEP, Kyungpook National University, 702-701 Daegu, Korea.
• Kim KS CHEP, Kyungpook National University, 702-701 Daegu, Korea.
• Kirn T I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Kossakowski R Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France.
• Koulemzine A Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Kounina O Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Kounine A Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Koutsenko V Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Krafczyk MS Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Laudi E INFN-Sezione di Perugia, I-06100 Perugia, Italy and Università di Perugia, I-06100 Perugia, Italy.
• Laurenti G INFN-Sezione di Bologna, I-40126 Bologna, Italy.
• Lauritzen C NASA, National Aeronautics and Space Administration, Johnson Space Center, JSC, and Jacobs-Sverdrup, Houston, Texas 77058, USA.
• Lebedev A Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Lee MW CHEP, Kyungpook National University, 702-701 Daegu, Korea.
• Lee SC Institute of Physics, Academia Sinica, Nankang, Taipei 11529, Taiwan.
• Leluc C DPNC, Université de Genève, CH-1211 Genève 4, Switzerland.
• León Vargas H Instituto de Física, Universidad Nacional Autónoma de México, UNAM, México, D. F., 01000 México.
• Lepareur V Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France.
• Li JQ Southeast University, SEU, Nanjing, 210096, China.
• Li Q Southeast University, SEU, Nanjing, 210096, China.
• Li TX Sun Yat-sen University, SYSU, Guangzhou, 510275, China.
• Li W Beihang University, BUAA, Beijing, 100191, China.
• Li ZH Institute of High Energy Physics, IHEP, Chinese Academy of Sciences, Beijing, 100039, China.
• Lipari P INFN-Sezione di Roma 1, I-00185 Roma, Italy.
• Lin CH Institute of Physics, Academia Sinica, Nankang, Taipei 11529, Taiwan.
• Liu D Institute of Physics, Academia Sinica, Nankang, Taipei 11529, Taiwan.
• Liu H Southeast University, SEU, Nanjing, 210096, China.
• Lomtadze T INFN-Sezione di Pisa, I-56100 Pisa, Italy.
• Lu YS Institute of High Energy Physics, IHEP, Chinese Academy of Sciences, Beijing, 100039, China.
• Lucidi S INFN-Sezione di Perugia, I-06100 Perugia, Italy.
• Lübelsmeyer K I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Luo JZ Southeast University, SEU, Nanjing, 210096, China.
• Lustermann W Institute for Particle Physics, ETH Zürich, CH-8093 Zürich, Switzerland.
• Lv S Sun Yat-sen University, SYSU, Guangzhou, 510275, China.
• Madsen J Department of Physics and Astronomy, University of Aarhus, DK-8000 Aarhus C, Denmark.
• Majka R Physics Department, Yale University, New Haven, Connecticut 06520, USA.
• Malinin A IPST, University of Maryland, College Park, Maryland 20742, USA.
• Mañá C Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, CIEMAT, E-28040 Madrid, Spain.
• Marín J Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, CIEMAT, E-28040 Madrid, Spain.
• Martin T NASA, National Aeronautics and Space Administration, Johnson Space Center, JSC, and Jacobs-Sverdrup, Houston, Texas 77058, USA.
• Martínez G Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, CIEMAT, E-28040 Madrid, Spain.
• Masciocchi F DPNC, Université de Genève, CH-1211 Genève 4, Switzerland.
• Masi N INFN-Sezione di Bologna, I-40126 Bologna, Italy and Università di Bologna, I-40126 Bologna, Italy.
• Maurin D Laboratoire de Physique subatomique et de cosmologie, LPSC, IN2P3/CNRS and Université Joseph Fourier, Grenoble INP, F-38026 Grenoble, France.
• McInturff A Department of Physics, Texas A&M University, College Station, Texas 77843, USA.
• McIntyre P Department of Physics, Texas A&M University, College Station, Texas 77843, USA.
• Menchaca-Rocha A Instituto de Física, Universidad Nacional Autónoma de México, UNAM, México, D. F., 01000 México.
• Meng Q Southeast University, SEU, Nanjing, 210096, China.
• Menichelli M INFN-Sezione di Perugia, I-06100 Perugia, Italy.
• Mereu I INFN-Sezione di Perugia, I-06100 Perugia, Italy and Università di Perugia, I-06100 Perugia, Italy.
• Millinger M I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Mo DC Sun Yat-sen University, SYSU, Guangzhou, 510275, China.
• Molina M I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany and Department of Physics and Astronomy, University of Aarhus, DK-8000 Aarhus C, Denmark and National Institute for Nuclear Physics and High Energy Physics, NIKHEF, NL-1098 SJ Amsterdam, Netherlands and Department of Physics, Middle East Technical University, METU, 06800 Ankara, Turkey and Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France and Beihang University, BUAA, Beijing, 100191, China and Institute of Electrical Engineering, IEE, Chinese Academy of Sciences, Beijing, 100080, China and Institute of High Energy Physics, IHEP, Chinese Academy of Sciences, Beijing, 100039, China and INFN-Sezione di Bologna, I-40126 Bologna, Italy and Università di Bologna, I-40126 Bologna, Italy and Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA and National Central University, NCU, Chung-Li, Tao Yuan 32054, Taiwan and East-West Center for Space Science, University of Maryland, College Park, Maryland 20742, USA and IPST, University of Maryland, College Park, Maryland 20742, USA and Department of Physics, Texas A&M University, College Station, Texas 77843, USA and CHEP, Kyungpook National University, 702-701 Daegu, Korea and National Aerospace Laboratory, NLR, NL-8300 AD Emmeloord, Netherlands and CNR-IROE, I-50125 Firenze, Italy and ASDC ESRIN, I-00044 Frascati, Italy and European Organization for Nuclear Research, CERN, CH-1211 Geneva 23, Switzerland and DPNC, Université de Genève, CH-1211 Genève 4, Switzerland and Laboratoire de Physique subatomique et de cosmologie, LPSC, IN2P3/CNRS and Université Joseph Fourier, Grenoble INP, F-38026 Grenoble, France and Sun Yat-sen University, SYSU, Guangzhou, 510275, China and University of Hawaii, Physics and Astronomy Department, 2505 Correa Road, WAT 432; Honolulu, Hawaii 96822, USA and NASA, National Aeronautics and Space Administration, Johnson Space Center,
• Mott P NASA, National Aeronautics and Space Administration, Johnson Space Center, JSC, and Jacobs-Sverdrup, Houston, Texas 77058, USA.
• Mujunen A Metsahovi Radio Observatory, Helsinki University of Technology, FIN-02540 Kylmala, Finland.
• Natale S I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany and Institute of Physics, Academia Sinica, Nankang, Taipei 11529, Taiwan.
• Nemeth P NASA, National Aeronautics and Space Administration, Johnson Space Center, JSC, and Jacobs-Sverdrup, Houston, Texas 77058, USA.
• Ni JQ Sun Yat-sen University, SYSU, Guangzhou, 510275, China.
• Nikonov N Institut für Experimentelle Kernphysik, Karlsruhe Institute of Technology, KIT, D-76128 Karlsruhe, Germany.
• Nozzoli F ASDC ESRIN, I-00044 Frascati, Italy and INFN-Sezione di Perugia, I-06100 Perugia, Italy.
• Nunes P Laboratório de Instrumentação e Física Experimental de Partículas, LIP, P-1000 Lisboa, Portugal.
• Obermeier A Institut für Experimentelle Kernphysik, Karlsruhe Institute of Technology, KIT, D-76128 Karlsruhe, Germany.
• Oh S Department of Physics, Ewha Womans University, Seoul, 120-750, Korea.
• Oliva A Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, CIEMAT, E-28040 Madrid, Spain and INFN-Sezione di Perugia, I-06100 Perugia, Italy and Università di Perugia, I-06100 Perugia, Italy.
• Palmonari F INFN-Sezione di Bologna, I-40126 Bologna, Italy and Università di Bologna, I-40126 Bologna, Italy.
• Palomares C Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, CIEMAT, E-28040 Madrid, Spain.
• Paniccia M Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France and DPNC, Université de Genève, CH-1211 Genève 4, Switzerland.
• Papi A INFN-Sezione di Perugia, I-06100 Perugia, Italy.
• Park WH CHEP, Kyungpook National University, 702-701 Daegu, Korea.
• Pauluzzi M INFN-Sezione di Perugia, I-06100 Perugia, Italy and Università di Perugia, I-06100 Perugia, Italy.
• Pauss F Institute for Particle Physics, ETH Zürich, CH-8093 Zürich, Switzerland.
• Pauw A National Aerospace Laboratory, NLR, NL-8300 AD Emmeloord, Netherlands.
• Pedreschi E INFN-Sezione di Pisa, I-56100 Pisa, Italy.
• Pensotti S INFN-Sezione di Milano-Bicocca, I-20126 Milano, Italy and Università di Milano-Bicocca, I-20126 Milano, Italy.
• Pereira R Laboratório de Instrumentação e Física Experimental de Partículas, LIP, P-1000 Lisboa, Portugal.
• Perrin E DPNC, Université de Genève, CH-1211 Genève 4, Switzerland.
• Pessina G INFN-Sezione di Milano-Bicocca, I-20126 Milano, Italy and Università di Milano-Bicocca, I-20126 Milano, Italy.
• Pierschel G I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Pilo F INFN-Sezione di Pisa, I-56100 Pisa, Italy.
• Piluso A INFN-Sezione di Perugia, I-06100 Perugia, Italy and Università di Perugia, I-06100 Perugia, Italy.
• Pizzolotto C ASDC ESRIN, I-00044 Frascati, Italy and INFN-Sezione di Perugia, I-06100 Perugia, Italy.
• Plyaskin V Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Pochon J Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France and Instituto de Astrofísica de Canarias, IAC, E-38205, La Laguna, Tenerife, Spain.
• Pohl M DPNC, Université de Genève, CH-1211 Genève 4, Switzerland.
• Poireau V Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France.
• Porter S NASA, National Aeronautics and Space Administration, Johnson Space Center, JSC, and Jacobs-Sverdrup, Houston, Texas 77058, USA.
• Pouxe J Laboratoire de Physique subatomique et de cosmologie, LPSC, IN2P3/CNRS and Université Joseph Fourier, Grenoble INP, F-38026 Grenoble, France.
• Putze A I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Quadrani L INFN-Sezione di Bologna, I-40126 Bologna, Italy and Università di Bologna, I-40126 Bologna, Italy.
• Qi XN Sun Yat-sen University, SYSU, Guangzhou, 510275, China.
• Rancoita PG INFN-Sezione di Milano-Bicocca, I-20126 Milano, Italy.
• Rapin D DPNC, Université de Genève, CH-1211 Genève 4, Switzerland.
• Ren ZL Institute of Physics, Academia Sinica, Nankang, Taipei 11529, Taiwan.
• Ricol JS Laboratoire de Physique subatomique et de cosmologie, LPSC, IN2P3/CNRS and Université Joseph Fourier, Grenoble INP, F-38026 Grenoble, France.
• Riihonen E Space Research Laboratory, Department of Physics, University of Turku, FIN-20014 Turku, Finland.
• Rodríguez I Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, CIEMAT, E-28040 Madrid, Spain.
• Roeser U Institute for Particle Physics, ETH Zürich, CH-8093 Zürich, Switzerland.
• Rosier-Lees S Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France.
• Rossi L European Organization for Nuclear Research, CERN, CH-1211 Geneva 23, Switzerland and Università di Milano, I-20090 Milano, Italy.
• Rozhkov A Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Rozza D European Organization for Nuclear Research, CERN, CH-1211 Geneva 23, Switzerland and INFN-Sezione di Milano-Bicocca, I-20126 Milano, Italy and Università di Milano-Bicocca, I-20126 Milano, Italy.
• Sabellek A Institut für Experimentelle Kernphysik, Karlsruhe Institute of Technology, KIT, D-76128 Karlsruhe, Germany.
• Sagdeev R East-West Center for Space Science, University of Maryland, College Park, Maryland 20742, USA.
• Sandweiss J Physics Department, Yale University, New Haven, Connecticut 06520, USA.
• Santos B Laboratório de Instrumentação e Física Experimental de Partículas, LIP, P-1000 Lisboa, Portugal.
• Saouter P DPNC, Université de Genève, CH-1211 Genève 4, Switzerland.
• Sarchioni M INFN-Sezione di Perugia, I-06100 Perugia, Italy.
• Schael S I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Schinzel D Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Schmanau M Institut für Experimentelle Kernphysik, Karlsruhe Institute of Technology, KIT, D-76128 Karlsruhe, Germany.
• Schwering G I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Schulz von Dratzig A I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Scolieri G INFN-Sezione di Perugia, I-06100 Perugia, Italy.
• Seo ES IPST, University of Maryland, College Park, Maryland 20742, USA.
• Shan BS Beihang University, BUAA, Beijing, 100191, China.
• Shi JY Southeast University, SEU, Nanjing, 210096, China.
• Shi YM Shanghai Jiaotong University, SJTU, Shanghai, 200030, China.
• Siedenburg T I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Siedling R I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Son D CHEP, Kyungpook National University, 702-701 Daegu, Korea.
• Spada F INFN-Sezione di Roma 1, I-00185 Roma, Italy.
• Spinella F INFN-Sezione di Pisa, I-56100 Pisa, Italy.
• Steuer M Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Stiff K Department of Physics, Texas A&M University, College Station, Texas 77843, USA.
• Sun W Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Sun WH Southeast University, SEU, Nanjing, 210096, China.
• Sun XH Sun Yat-sen University, SYSU, Guangzhou, 510275, China.
• Tacconi M INFN-Sezione di Milano-Bicocca, I-20126 Milano, Italy and Università di Milano-Bicocca, I-20126 Milano, Italy.
• Tang CP Sun Yat-sen University, SYSU, Guangzhou, 510275, China.
• Tang XW Institute of High Energy Physics, IHEP, Chinese Academy of Sciences, Beijing, 100039, China.
• Tang ZC Institute of High Energy Physics, IHEP, Chinese Academy of Sciences, Beijing, 100039, China.
• Tao L Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France.
• Tassan-Viol J Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France.
• Ting SC Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Ting SM Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Titus C Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Tomassetti N INFN-Sezione di Perugia, I-06100 Perugia, Italy and Università di Perugia, I-06100 Perugia, Italy.
• Toral F Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, CIEMAT, E-28040 Madrid, Spain.
• Torsti J Space Research Laboratory, Department of Physics, University of Turku, FIN-20014 Turku, Finland.
• Tsai JR National Space Organization, Hsin-Chu City, 300, Taiwan.
• Tutt JC NASA, National Aeronautics and Space Administration, Johnson Space Center, JSC, and Jacobs-Sverdrup, Houston, Texas 77058, USA.
• Ulbricht J Institute for Particle Physics, ETH Zürich, CH-8093 Zürich, Switzerland.
• Urban T NASA, National Aeronautics and Space Administration, Johnson Space Center, JSC, and Jacobs-Sverdrup, Houston, Texas 77058, USA.
• Vagelli V Institut für Experimentelle Kernphysik, Karlsruhe Institute of Technology, KIT, D-76128 Karlsruhe, Germany.
• Valente E INFN-Sezione di Roma 1, I-00185 Roma, Italy.
• Vannini C INFN-Sezione di Pisa, I-56100 Pisa, Italy.
• Valtonen E Space Research Laboratory, Department of Physics, University of Turku, FIN-20014 Turku, Finland.
• Vargas Trevino M Laboratoire de Physique subatomique et de cosmologie, LPSC, IN2P3/CNRS and Université Joseph Fourier, Grenoble INP, F-38026 Grenoble, France.
• Vaurynovich S Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Vecchi M National Central University, NCU, Chung-Li, Tao Yuan 32054, Taiwan.
• Vergain M Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Verlaat B National Institute for Nuclear Physics and High Energy Physics, NIKHEF, NL-1098 SJ Amsterdam, Netherlands.
• Vescovi C Laboratoire de Physique subatomique et de cosmologie, LPSC, IN2P3/CNRS and Université Joseph Fourier, Grenoble INP, F-38026 Grenoble, France.
• Vialle JP Laboratoire d'Annecy-Le-Vieux de Physique des Particules, LAPP, IN2P3/CNRS and Université de Savoie, F-74941 Annecy-le-Vieux, France.
• Viertel G Institute for Particle Physics, ETH Zürich, CH-8093 Zürich, Switzerland.
• Volpini G INFN-Sezione di Milano, I-20090 Milano, Italy and Università di Milano, I-20090 Milano, Italy.
• Wang D National Space Organization, Hsin-Chu City, 300, Taiwan.
• Wang NH Shandong University, SDU, Jinan, Shandong, 250100, China.
• Wang QL Institute of Electrical Engineering, IEE, Chinese Academy of Sciences, Beijing, 100080, China.
• Wang RS Shanghai Jiaotong University, SJTU, Shanghai, 200030, China.
• Wang X Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Wang ZX Sun Yat-sen University, SYSU, Guangzhou, 510275, China.
• Wallraff W I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Weng ZL Sun Yat-sen University, SYSU, Guangzhou, 510275, China and Institute of Physics, Academia Sinica, Nankang, Taipei 11529, Taiwan.
• Willenbrock M Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA.
• Wlochal M I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Wu H Southeast University, SEU, Nanjing, 210096, China.
• Wu KY Beihang University, BUAA, Beijing, 100191, China and Institute of Physics, Academia Sinica, Nankang, Taipei 11529, Taiwan.
• Wu ZS Sun Yat-sen University, SYSU, Guangzhou, 510275, China.
• Xiao WJ Sun Yat-sen University, SYSU, Guangzhou, 510275, China.
• Xie S Shanghai Jiaotong University, SJTU, Shanghai, 200030, China.
• Xiong RQ Southeast University, SEU, Nanjing, 210096, China.
• Xin GM Shandong University, SDU, Jinan, Shandong, 250100, China.
• Xu NS Sun Yat-sen University, SYSU, Guangzhou, 510275, China.
• Xu W Institute of High Energy Physics, IHEP, Chinese Academy of Sciences, Beijing, 100039, China.
• Yan Q Institute of High Energy Physics, IHEP, Chinese Academy of Sciences, Beijing, 100039, China.
• Yang J Department of Physics, Ewha Womans University, Seoul, 120-750, Korea.
• Yang M Institute of High Energy Physics, IHEP, Chinese Academy of Sciences, Beijing, 100039, China.
• Ye QH Shanghai Jiaotong University, SJTU, Shanghai, 200030, China.
• Yi H Southeast University, SEU, Nanjing, 210096, China.
• Yu YJ Institute of Electrical Engineering, IEE, Chinese Academy of Sciences, Beijing, 100080, China.
• Yu ZQ Institute of High Energy Physics, IHEP, Chinese Academy of Sciences, Beijing, 100039, China.
• Zeissler S Institut für Experimentelle Kernphysik, Karlsruhe Institute of Technology, KIT, D-76128 Karlsruhe, Germany.
• Zhang JG Southeast University, SEU, Nanjing, 210096, China.
• Zhang Z Sun Yat-sen University, SYSU, Guangzhou, 510275, China.
• Zhang MM Sun Yat-sen University, SYSU, Guangzhou, 510275, China.
• Zheng ZM Beihang University, BUAA, Beijing, 100191, China.
• Zhuang HL Institute of High Energy Physics, IHEP, Chinese Academy of Sciences, Beijing, 100039, China.
• Zhukov V I. Physikalisches Institut B, RWTH, D-52056 Aachen, Germany.
• Zichichi A INFN-Sezione di Bologna, I-40126 Bologna, Italy and Università di Bologna, I-40126 Bologna, Italy.
• Zuccon P Massachusetts Institute of Technology, MIT, Cambridge, Massachusetts 02139, USA and INFN-Sezione di Perugia, I-06100 Perugia, Italy.
• Zurbach C Laboratoire Univers et Particules de Montpellier, LUPM (ex LPTA), IN2P3/CNRS and Université de Montpellier II, F-34095 Montpellier, France.

General Physics and Astronomy