Author affiliations
1 Space Science Division, Naval Research Laboratory, Washington, DC 20375, U.S.A.
2 National Research Council Research Associate, National Academy of Sciences, Washington, DC 20001, U.S.A.
3 W. W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305, U.S.A.
4 Istituto Nazionale di Fisica Nucleare, Sezione di Pisa, I-56127 Pisa, Italy
5 Laboratoire AIM, CEA-IRFU/CNRS/Université Paris Diderot, Service d'Astrophysique, CEA Saclay, 91191 Gif sur Yvette, France
6 Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, I-34127 Trieste, Italy
7 Dipartimento di Fisica, Università di Trieste, I-34127 Trieste, Italy
8 Istituto Nazionale di Fisica Nucleare, Sezione di Padova, I-35131 Padova, Italy
9 Dipartimento di Fisica ``G. Galilei", Università di Padova, I-35131 Padova, Italy
10 Istituto Nazionale di Fisica Nucleare, Sezione di Perugia, I-06123 Perugia, Italy
11 Dipartimento di Fisica, Università degli Studi di Perugia, I-06123 Perugia, Italy
12 Dipartimento di Fisica ``M. Merlin" dell'Università e del Politecnico di Bari, I-70126 Bari, Italy
13 Istituto Nazionale di Fisica Nucleare, Sezione di Bari, 70126 Bari, Italy
14 Laboratoire Leprince-Ringuet, École polytechnique, CNRS/IN2P3, Palaiseau, France
15 Department of Physics, University of Washington, Seattle, WA 98195-1560, U.S.A.
16 Institut de Ciencies de l'Espai (IEEC-CSIC), Campus UAB, 08193 Barcelona, Spain
17 INAF-Istituto di Astrofisica Spaziale e Fisica Cosmica, I-20133 Milano, Italy
18 NASA Goddard Space Flight Center, Greenbelt, MD 20771, U.S.A.
19 Center for Research and Exploration in Space Science and Technology (CRESST) and NASA Goddard Space Flight Center, Greenbelt, MD 20771, U.S.A.
20 Department of Physics and Center for Space Sciences and Technology, University of Maryland Baltimore County, Baltimore, MD 21250, U.S.A.
21 George Mason University, Fairfax, VA 22030, U.S.A.
22 Laboratoire de Physique Théorique et Astroparticules, Université Montpellier 2, CNRS/IN2P3, Montpellier, France
23 Department of Physics, Stockholm University, AlbaNova, SE-106 91 Stockholm, Sweden
24 The Oskar Klein Centre for Cosmoparticle Physics, AlbaNova, SE-106 91 Stockholm, Sweden
25 Agenzia Spaziale Italiana (ASI) Science Data Center, I-00044 Frascati (Roma), Italy
26 Dipartimento di Fisica, Università di Udine and Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, Gruppo Collegato di Udine, I-33100 Udine, Italy
27 CNRS/IN2P3, Centre d'Études Nucléaires Bordeaux Gradignan, UMR 5797, Gradignan, 33175, France
28 Université de Bordeaux, Centre d'Études Nucléaires Bordeaux Gradignan, UMR 5797, Gradignan, 33175, France
29 Osservatorio Astronomico di Trieste, Istituto Nazionale di Astrofisica, I-34143 Trieste, Italy
30 Department of Physical Sciences, Hiroshima University, Higashi-Hiroshima, Hiroshima 739-8526, Japan
31 Department of Astronomy and Astrophysics, Pennsylvania State University, University Park, PA 16802, U.S.A.
32 Department of Physics and Department of Astronomy, University of Maryland, College Park, MD 20742, U.S.A.
33 Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany
34 Center for Space Plasma and Aeronomic Research (CSPAR), University of Alabama in Huntsville, Huntsville, AL 35899, U.S.A.
35 Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
36 Department of Physics, Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, OH 43210, U.S.A.
37 Research Institute for Science and Engineering, Waseda University, 3-4-1, Okubo, Shinjuku, Tokyo, 169-8555 Japan
38 Department of Physics, Tokyo Institute of Technology, Meguro City, Tokyo 152-8551, Japan
39 Cosmic Radiation Laboratory, Institute of Physical and Chemical Research (RIKEN), Wako, Saitama 351-0198, Japan
40 Centre d'Étude Spatiale des Rayonnements, CNRS/UPS, BP 44346, F-30128 Toulouse Cedex 4, France
41 Istituto Nazionale di Fisica Nucleare, Sezione di Roma ``Tor Vergata", I-00133 Roma, Italy
42 Department of Physics and Astronomy, University of Denver, Denver, CO 80208, U.S.A.
43 Max-Planck Institut für extraterrestrische Physik, 85748 Garching, Germany
44 Institut für Astro- und Teilchenphysik and Institut für Theoretische Physik, Leopold-Franzens-Universität Innsbruck, A-6020 Innsbruck, Austria
45 Santa Cruz Institute for Particle Physics, Department of Physics and Department of Astronomy and Astrophysics, University of California at Santa Cruz, Santa Cruz, CA 95064, U.S.A.
46 Space Sciences Division, NASA Ames Research Center, Moffett Field, CA 94035-1000, U.S.A.
47 NYCB Real-Time Computing Inc., Lattingtown, NY 11560-1025, U.S.A.
48 Department of Chemistry and Physics, Purdue University Calumet, Hammond, IN 46323-2094, U.S.A.
49 Dipartimento di Fisica, Università di Roma ``Tor Vergata", I-00133 Roma, Italy
50 Department of Physics, Royal Institute of Technology (KTH), AlbaNova, SE-106 91 Stockholm, Sweden
51 School of Pure and Applied Natural Sciences, University of Kalmar, SE-391 82 Kalmar, Sweden
52 Institut de Physique Théorique, CEA, IPhT, F-91191 Gif-sur-Yvette, France