Author affiliations
1 Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
2 Centro de Investigaciones en Láseres y Aplicaciones, CITEDEF and CONICET, Villa Martelli, Argentina
3 Departamento de Física, FCEyN, Universidad de Buenos Aires and CONICET, Buenos Aires, Argentina
4 IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
5 Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Buenos Aires, Argentina
6 Instituto de Física de Rosario (IFIR)—CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina
7 Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional—Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina
8 Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
9 Observatorio Pierre Auger, Malargüe, Argentina
10 Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
11 Universidad Tecnológica Nacional—Facultad Regional Buenos Aires, Buenos Aires, Argentina
12 University of Adelaide, Adelaide, S.A., Australia
13 Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, RJ, Brazil
14 Universidade de S ao Paulo, Escola de Engenharia de Lorena, Lorena, SP, Brazil
15 Universidade de S ao Paulo, Instituto de Física de S ao Carlos, S ao Carlos, SP, Brazil
16 Universidade de S ao Paulo, Instituto de Física, S ao Paulo, SP, Brazil
17 Universidade Estadual de Campinas, IFGW, Campinas, SP, Brazil
18 Universidade Estadual de Feira de Santana, Feira de Santana, Brazil
19 Universidade Federal da Bahia, Salvador, BA, Brazil
20 Universidade Federal de Pelotas, Pelotas, RS, Brazil
21 Universidade Federal do ABC, Santo André, SP, Brazil
22 Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, RJ, Brazil
23 Universidade Federal Fluminense, EEIMVR, Volta Redonda, RJ, Brazil
24 Universidad Industrial de Santander, Bucaramanga, Colombia
25 Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
26 Institute of Physics of the Academy of Sciences of the Czech Republic, Prague, Czech Republic
27 Palacky University, RCPTM, Olomouc, Czech Republic
28 Institut de Physique Nucléaire d'Orsay (IPNO), Université Paris 11, CNRS-IN2P3, Orsay, France
29 Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris 11, CNRS-IN2P3, Orsay, France
30 Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Universités Paris 6 et Paris 7, CNRS-IN2P3, Paris, France
31 Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Université Grenoble-Alpes, CNRS/IN2P3, Grenoble, France
32 Station de Radioastronomie de Nançay, Observatoire de Paris, CNRS/INSU, Nançay, France
33 SUBATECH, École des Mines de Nantes, CNRS-IN2P3, Université de Nantes, Nantes, France
34 Bergische Universität Wuppertal, Fachbereich C—Physik, Wuppertal, Germany
35 Karlsruhe Institute of Technology (KIT)—Campus South—Institut für Experimentelle Kernphysik (IEKP), Karlsruhe, Germany
36 Karlsruhe Institute of Technology (KIT)—Campus North—Institut für Kernphysik (IKP), Karlsruhe, Germany
37 Karlsruhe Institute of Technology (KIT)—Campus North—Institut für Prozessdatenverarbeitung und Elektronik (IEKP), Karlsruhe, Germany
38 Max-Planck-Institut für Radioastronomie, Bonn, Germany
39 RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
40 Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany
41 Universität Siegen, Fachbereich 7 Physik—Experimentelle Teilchenphysik, Siegen, Germany
42 Università di Milano and Sezione INFN, Milan, Italy
43 Università di Napoli ``Federico II'' and Sezione INFN, Napoli, Italy
44 Università di Roma II ``Tor Vergata'' and Sezione INFN, Roma, Italy
45 Università di Catania and Sezione INFN, Catania, Italy
46 Università di Torino and Sezione INFN, Torino, Italy
47 Dipartimento di Matematica e Fisica ``E. De Giorgi'' dell'Università del Salento and Sezione INFN, Lecce, Italy
48 Dipartimento di Scienze Fisiche e Chimiche dell'Università dell'Aquila and Sezione INFN, L'Aquila, Italy
49 Gran Sasso Science Institute (INFN), L'Aquila, Italy
50 Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo (INAF), Palermo, Italy
51 INFN, Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
52 Osservatorio Astrofisico di Torino (INAF), Torino, Italy
53 INFN, Sezione di Torino, Italy
54 Università di Torino, Torino, Italy
55 Benemérita Universidad Autónoma de Puebla, Puebla, México
56 Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV), México, D.F., México
57 Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas del Instituto Politécnico Nacional (UPIITA-IPN), México, D.F., México
58 Universidad Autónoma de Chiapas, Tuxtla Gutiérrez, Chiapas, México
59 Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Michoacán, México
60 Universidad Nacional Autónoma de México, México, D.F., México
61 IMAPP, Radboud University Nijmegen, Nijmegen, Netherlands
62 KVI—Center for Advanced Radiation Technology, University of Groningen, Groningen, Netherlands
63 Nikhef, Science Park, Amsterdam, Netherlands
64 ASTRON, Dwingeloo, Netherlands
65 Institute of Nuclear Physics PAN, Krakow, Poland
66 University of ŁÓdź, ŁÓdź, Poland
67 Laboratório de Instrumentaç ao e Física Experimental de Partículas (LIP) and Instituto Superior Técnico, Universidade de Lisboa (UL), Portugal
68 ``Horia Hulubei'' National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
69 Institute of Space Science, Bucharest-Magurele, Romania
70 University of Bucharest, Physics Department, Bucharest, Romania
71 University Politehnica of Bucharest, Bucharest, Romania
72 Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
73 Laboratory for Astroparticle Physics, University of Nova Gorica, Nova Gorica, Slovenia
74 Universidad Complutense de Madrid, Madrid, Spain
75 Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
76 Universidad de Granada and C.A.F.P.E., Granada, Spain
77 Universidad de Santiago de Compostela, Santiago de Compostela, Spain
78 Case Western Reserve University, Cleveland, OH, U.S.A.
79 Colorado School of Mines, Golden, CO, U.S.A.
80 Colorado State University, Fort Collins, CO, U.S.A.
81 Department of Physics and Astronomy, Lehman College, City University of New York, Bronx, NY, U.S.A.
82 Fermilab, Batavia, IL, U.S.A.
83 Louisiana State University, Baton Rouge, LA, U.S.A.
84 Michigan Technological University, Houghton, MI, U.S.A.
85 New York University, New York, NY, U.S.A.
86 Northeastern University, Boston, MA, U.S.A.
87 Ohio State University, Columbus, OH, U.S.A.
88 Pennsylvania State University, University Park, PA, U.S.A.
89 University of Chicago, Enrico Fermi Institute, Chicago, IL, U.S.A.
90 University of Hawaii, Honolulu, HI, U.S.A.
91 University of Nebraska, Lincoln, NE, U.S.A.
92 University of New Mexico, Albuquerque, NM, U.S.A.
93 School of Physics and Astronomy, University of Leeds, Leeds, United Kingdom
94 Also at Vrije Universiteit Brussels, Brussels, Belgium