The Pierre Auger Collaboration
A. Aab41, P. Abreu65, M. Aglietta52,
E.J. Ahn81, I. Al Samarai28, I.F.M. Albuquerque16,
I. Allekotte1, P. Allison86, A. Almela11,
8, J. Alvarez Castillo58, J. Alvarez-Muñiz75, R. Alves Batista40,
M. Ambrosio43, A. Aminaei59, G.A. Anastasi45,
L. Anchordoqui80, S. Andringa65, C. Aramo43,
F. Arqueros72, N. Arsene68, H. Asorey1,
24, P. Assis65, J. Aublin30, M. Ave1,
M. Avenier31, G. Avila10, N. Awal84,
A.M. Badescu69, K.B. Barber12, J. Bäuml35,
C. Baus35, J.J. Beatty86, K.H. Becker34,
J.A. Bellido12, C. Berat31, M.E. Bertaina52,
X. Bertou1, P.L. Biermann38, P. Billoir30,
S.G. Blaess12, A. Blanco65, M. Blanco30,
J. Blazek26, C. Bleve47, H. Blümer35,
36, M. Boháčová26, D. Boncioli51, C. Bonifazi22,
N. Borodai63, J. Brack78, I. Brancus66,
T. Bretz39, A. Bridgeman36, P. Brogueira65,
P. Buchholz41, A. Bueno74, S. Buitink59,
M. Buscemi43, K.S. Caballero-Mora56, B. Caccianiga42,
L. Caccianiga30, M. Candusso44, L. Caramete67,
R. Caruso45, A. Castellina52, G. Cataldi47,
L. Cazon65, R. Cester46, A.G. Chavez57,
A. Chiavassa52, J.A. Chinellato17, J. Chudoba26,
M. Cilmo43, R.W. Clay12, G. Cocciolo47,
R. Colalillo43, A. Coleman87, L. Collica42,
M.R. Coluccia47, R. Conceição65, F. Contreras9,
M.J. Cooper12, A. Cordier29, S. Coutu87,
C.E. Covault76, J. Cronin88, R. Dallier33,
32, B. Daniel17, S. Dasso5, 3, K. Daumiller36, B.R. Dawson12,
R.M. de Almeida23, S.J. de Jong59, 61, G. De Mauro59, J.R.T. de Mello Neto22, I. De Mitri47,
J. de Oliveira23, V. de Souza15, L. del Peral73,
O. Deligny28, H. Dembinski36, N. Dhital83,
C. Di Giulio44, A. Di Matteo48, J.C. Diaz83,
M.L. Díaz Castro17, F. Diogo65, C. Dobrigkeit 17, W. Docters60, J.C. D'Olivo58,
A. Dorofeev78, Q. Dorosti Hasankiadeh36,
R.C. dos Anjos15, M.T. Dova4, J. Ebr26,
R. Engel36, M. Erdmann39, M. Erfani41,
C.O. Escobar81, 17, J. Espadanal65, A. Etchegoyen8,
11, H. Falcke59, 62, 61,
K. Fang88, G. Farrar84, A.C. Fauth17,
N. Fazzini81, A.P. Ferguson76, B. Fick83,
J.M. Figueira8, A. Filevich8, A. Filipčič70,
71, B.D. Fox89, O. Fratu69, M.M. Freire6,
T. Fujii88, B. García7, D. García-Gámez29,
D. Garcia-Pinto72,
F. Gate33, H. Gemmeke37, A. Gherghel-Lascu66,
P.L. Ghia30, U. Giaccari22, M. Giammarchi42,
M. Giller64, D. Głas64, C. Glaser39,
H. Glass81, G. Golup1, M. Gómez Berisso1,
P.F. Gómez Vitale10, N. González8, B. Gookin78,
J. Gordon86, A. Gorgi52, P. Gorham89,
P. Gouffon16, N. Griffith86, A.F. Grillo51,
T.D. Grubb12, F. Guarino43, G.P. Guedes18,
M.R. Hampel8, P. Hansen4, D. Harari1,
T.A. Harrison12, S. Hartmann39, J.L. Harton78,
A. Haungs36, T. Hebbeker39, D. Heck36,
P. Heimann41, N. Hemery30, A.E. Herve36,
G.C. Hill12, C. Hojvat81, N. Hollon88,
E. Holt36, P. Homola34, J.R. Hörandel59,
61, P. Horvath27, M. Hrabovský27, 26, D. Huber35, T. Huege36,
A. Insolia45, P.G. Isar67, I. Jandt34,
S. Jansen59, 61, C. Jarne4, J.A. Johnsen77,
M. Josebachuili8, A. Kääpä34, O. Kambeitz35,
K.H. Kampert34, P. Kasper81, I. Katkov35,
B. Kégl29, B. Keilhauer36, A. Keivani87,
E. Kemp17, R.M. Kieckhafer83, H.O. Klages36,
M. Kleifges37, J. Kleinfeller9, R. Krause39,
N. Krohm34, O. Krömer37, D. Kuempel39,
G. Kukec Mezek71,
N. Kunka37, A.W. Kuotb Awad36, D. LaHurd76, L. Latronico52,
R. Lauer91, M. Lauscher39, P. Lautridou33,
S. Le Coz31, D. Lebrun31, P. Lebrun81,
M.A. Leigui de Oliveira21,
A. Letessier-Selvon30, I. Lhenry-Yvon28, K. Link35,
L. Lopes65, R. López53, A. López Casado75,
K. Louedec31, A. Lucero8, M. Malacari12,
S. Maldera52, M. Mallamaci42, J. Maller33,
D. Mandat26, P. Mantsch81, A.G. Mariazzi4,
V. Marin33, I.C. Mariş74, G. Marsella47,
D. Martello47, L. Martin33, 32, H. Martinez54, O. Martínez Bravo53,
D. Martraire28, J.J. Masías Meza3, H.J. Mathes36, S. Mathys34,
J. Matthews82, J.A.J. Matthews91, G. Matthiae44,
D. Maurizio13, E. Mayotte77, P.O. Mazur81,
C. Medina77, G. Medina-Tanco58, R. Meissner39,
V.B.B. Mello22, D. Melo8, A. Menshikov37,
S. Messina60, M.I. Micheletti6, L. Middendorf39,
I.A. Minaya72, L. Miramonti42, B. Mitrica66,
L. Molina-Bueno74, S. Mollerach1, F. Montanet31,
C. Morello52, M. Mostafá87, C.A. Moura21,
M.A. Muller17, 20, G. Müller39, S. Müller36,
R. Mussa46, S. Navas74, P. Necesal26,
L. Nellen58, A. Nelles59, 61, J. Neuser34, P.H. Nguyen12,
M. Niculescu-Oglinzanu66, M. Niechciol41, L. Niemietz34,
T. Niggemann39, D. Nitz83, D. Nosek25,
V. Novotny25, L. Nožka27, L.A. Núñez24,
L. Ochilo41, F. Oikonomou87, A. Olinto88,
N. Pacheco73, D. Pakk Selmi-Dei17, M. Palatka26, J. Pallotta2,
P. Papenbreer34, G. Parente75, A. Parra53,
T. Paul80, 85, M. Pech26, J. Pękala63,
R. Pelayo55, I.M. Pepe19, L. Perrone47,
E. Petermann90, C. Peters39, S. Petrera48,
49, Y. Petrov78, J. Phuntsok87, R. Piegaia3,
T. Pierog36, P. Pieroni3, M. Pimenta65,
V. Pirronello45, M. Platino8, M. Plum39,
A. Porcelli36, C. Porowski63, R.R. Prado15,
P. Privitera88, M. Prouza26, E.J. Quel2,
S. Querchfeld34, S. Quinn76, J. Rautenberg34,
O. Ravel33, D. Ravignani8, D. Reinert39,
B. Revenu33, J. Ridky26, M. Risse41,
P. Ristori2, V. Rizi48, W. Rodrigues de Carvalho75,
G. Rodriguez Fernandez44, J. Rodriguez
Rojo9, M.D. Rodríguez-Frías73, D. Rogozin36,
J. Rosado72, M. Roth36, E. Roulet1,
A.C. Rovero5, S.J. Saffi12, A. Saftoiu66,
F. Salamida28,c,
H. Salazar53, A. Saleh71, F. Salesa
Greus87, G. Salina44,
J.D. Sanabria Gomez24,
F. Sánchez8, P. Sanchez-Lucas74, E. Santos17,
E.M. Santos16, F. Sarazin77, B. Sarkar34,
R. Sarmento65, C. Sarmiento-Cano24, R. Sato9,
C. Scarso9, M. Schauer34, V. Scherini47,
H. Schieler36, D. Schmidt36, O. Scholten60
b, H. Schoorlemmer89, P. Schovánek26, F.G. Schröder36,
A. Schulz36, J. Schulz59, J. Schumacher39,
S.J. Sciutto4, A. Segreto50, M. Settimo30,
A. Shadkam82, R.C. Shellard13, I. Sidelnik1,
G. Sigl40, O. Sima68, A. Śmiałkowski64,
R. Šmída36, G.R. Snow90, P. Sommers87,
J. Sorokin12, R. Squartini9, Y.N. Srivastava85,
D. Stanca66, S. Stanič71, J. Stapleton86,
J. Stasielak63, M. Stephan39, A. Stutz31,
F. Suarez8, 11, M. Suarez
Durán24, T. Suomijärvi28,
A.D. Supanitsky5, M.S. Sutherland86, J. Swain85,
Z. Szadkowski64, O.A. Taborda1, A. Tapia8,
A. Tepe41, V.M. Theodoro17, C. Timmermans61,
59, C.J. Todero Peixoto14,
G. Toma66, L. Tomankova36, B. Tomé65,
A. Tonachini46, G. Torralba Elipe75, D. Torres
Machado22, P. Travnicek26,
M. Trini71, R. Ulrich36, M. Unger84,
M. Urban39, J.F. Valdés Galicia58, I. Valiño75,
L. Valore43, G. van Aar59, P. van Bodegom12,
A.M. van den Berg60, S. van Velzen59, A. van Vliet40,
E. Varela53, B. Vargas Cárdenas58, G. Varner89,
R. Vasquez22, J.R. Vázquez72, R.A. Vázquez75,
D. Veberič36, V. Verzi44, J. Vicha26,
M. Videla8, L. Villaseñor57, B. Vlcek73,
S. Vorobiov71, H. Wahlberg4, O. Wainberg8,
11, D. Walz39, A.A. Watson
a, M. Weber37, K. Weidenhaupt39, A. Weindl36,
F. Werner35, A. Widom85, L. Wiencke77,
H. Wilczyński63, T. Winchen34, D. Wittkowski34,
B. Wundheiler8, S. Wykes59, L. Yang 71, T. Yapici83, A. Yushkov41,
E. Zas75, D. Zavrtanik71,
70, M. Zavrtanik70, 71,
A. Zepeda54, B. Zimmermann37, M. Ziolkowski41,
F. Zuccarello45
(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, Argentina
(3) Departamento de Física,
FCEyN, Universidad de
Buenos Aires and CONICET, 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,
(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 São Paulo, Escola de Engenharia de Lorena, Lorena,
SP, Brazil
(15) Universidade
de São Paulo, Instituto de Física
de São Carlos, São Carlos, SP, Brazil
(16) Universidade
de São Paulo, Instituto de Física,
São Paulo, SP, Brazil
(17) Universidade
Estadual de Campinas, IFGW, Campinas, SP, Brazil
(18) Universidade
Estadual de 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, 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, Wuppertal, Germany
(35) Karlsruhe Institute of Technology -
Campus South - Institut für Experimentelle Kernphysik (IEKP), Karlsruhe,
Germany
(36)
Karlsruhe Institute of Technology - Campus North -
Institut für Kernphysik, Karlsruhe, Germany
(37) Karlsruhe Institute of Technology -
Campus North - Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe,
Germany
(38)
Max-Planck-Institut für Radioastronomie, Bonn, Germany
(39) RWTH Aachen University, III. Physikalisches Institut A,
Aachen, Germany
(40) Universität Hamburg, Hamburg, Germany
(41) Universität Siegen, 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,
(48) Dipartimento
di Scienze Fisiche e Chimiche dell'Università dell'Aquila and INFN, 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), Università
di Torino and Sezione INFN, Torino, Italy
(53) Benemérita
Universidad Autónoma de Puebla, Puebla, México
(54) Centro de Investigación
y de Estudios Avanzados del IPN (CINVESTAV), México, D.F., México
(55) Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas del Instituto Politécnico
Nacional
(UPIITA-IPN), México, D.F., México
(56) Universidad Autónoma
de Chiapas, Tuxtla Gutiérrez, Chiapas, México
(57) Universidad Michoacana
de San Nicolás de Hidalgo, Morelia, Michoacán, México
(58) Universidad Nacional Autónoma de México, México, D.F., México
(59) IMAPP, Radboud
University Nijmegen, Netherlands
(60) KVI - Center
for Advanced Radiation Technology, University of Groningen, Groningen,
Netherlands
(61) Nikhef,
Science Park, Amsterdam, Netherlands
(62) ASTRON, Dwingeloo,
Netherlands
(63) Institute of Nuclear Physics PAN,
Krakow, Poland
(64) University of Łódź,
Łódź, Poland
(65) Laboratório
de Instrumentação e Física
Experimental de Partículas - LIP and Instituto
Superior Técnico - IST,
Universidade de Lisboa - UL,
Portugal
(66) 'Horia Hulubei' National Institute for Physics and Nuclear
Engineering, Bucharest-Magurele, Romania
(67) Institute of Space Sciences,
Bucharest, Romania
(68) University of Bucharest, Physics
Department, Romania
(69) University Politehnica
of Bucharest, Romania
(70) Experimental Particle Physics
Department, J. Stefan Institute, Ljubljana, Slovenia
(71) Laboratory for Astroparticle
Physics, University of Nova Gorica, Slovenia
(72) Universidad Complutense
de Madrid, Madrid, Spain
(73) Universidad de Alcalá,
Alcalá de Henares, Madrid, Spain
(74) Universidad de Granada and
C.A.F.P.E., Granada, Spain
(75) Universidad de Santiago de Compostela, Spain
(76) Case Western Reserve University,
Cleveland, OH, USA
(77) Colorado School of Mines, Golden, CO,
USA
(78) Colorado State University, Fort
Collins, CO, USA
(80) Department of Physics and Astronomy,
Lehman College, City University of New York, NY, USA
(81) Fermilab, Batavia, IL, USA
(82) Louisiana State University, Baton
Rouge, LA, USA
(83) Michigan Technological University,
Houghton, MI, USA
(84) New York University, New York, NY,
USA
(85) Northeastern
University, Boston, MA, USA
(86) Ohio State University, Columbus, OH,
USA
(87) Pennsylvania State University,
University Park, PA, USA
(88) University of Chicago, Enrico Fermi
Institute, Chicago, IL, USA
(89) University of Hawaii, Honolulu, HI,
USA
(90) University of Nebraska, Lincoln, NE,
USA
(91) University of New Mexico,
Albuquerque, NM, USA
(a) School of Physics and Astronomy, University of
Leeds, United Kingdom
(b) Also at Vrije
Universiteit Brussels, Belgium
(c) Currently at INFN Milano Bicocca, Milano, Italy
Acknowledgments
The successful installation, commissioning, and operation of the Pierre Auger Observatory would not have been possible without the strong commitment and effort from the technical and administrative staff in Malargüe. We are very grateful to the following agencies and organizations for financial support:
Comisión Nacional de Energía Atómica,
Agencia Nacional de Promoción Científica y Tecnológica (ANPCyT),
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET),
Gobierno de la Provincia
de Mendoza, Municipalidad de Malargüe,
NDM Holdings and Valle Las Leñas, in gratitude
for their continuing cooperation over land access,
Argentina; the Australian Research Council; Conselho
Nacional de Desenvolvimento Científico e
Tecnológico (CNPq), Financiadora de Estudos e
Projetos (FINEP), Fundação de Amparo à
Pesquisa do Estado de Rio de Janeiro (FAPERJ),
São Paulo Research Foundation (FAPESP)
Grants No. 2010/07359-6 and No. 1999/05404-3,
Ministério de Ciência e Tecnologia (MCT),
Brazil; Grant No. MSMT-CR LG13007, No. 7AMB14AR005,
and the Czech Science Foundation Grant No. 14-17501S,
Czech Republic;
Centre de Calcul IN2P3/CNRS, Centre National de la
Recherche Scientifique (CNRS), Conseil Régional
Ile-de-France, Département Physique Nucléaire
et Corpusculaire (PNC-IN2P3/CNRS), Département
Sciences de l'Univers (SDU-INSU/CNRS), Institut
Lagrange de Paris (ILP) Grant No. LABEX ANR-10-LABX-63,
within the Investissements d'Avenir Programme
Grant No. ANR-11-IDEX-0004-02, France;
Bundesministerium für Bildung und Forschung (BMBF),
Deutsche Forschungsgemeinschaft (DFG),
Finanzministerium Baden-Württemberg,
Helmholtz Alliance for Astroparticle Physics (HAP),
Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF),
Ministerium für Wissenschaft und Forschung, Nordrhein Westfalen,
Ministerium für Wissenschaft, Forschung und Kunst, Baden-Württemberg, Germany;
Istituto Nazionale di Fisica Nucleare (INFN),Istituto Nazionale di Astrofisica (INAF),
Ministero dell'Istruzione, dell'Universitá
e della Ricerca (MIUR), Gran Sasso Center for Astroparticle Physics (CFA), CETEMPS Center
of Excellence, Ministero degli Affari Esteri (MAE), Italy;
Consejo Nacional de Ciencia y Tecnología (CONACYT), Mexico;
Ministerie van Onderwijs, Cultuur en Wetenschap,
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO),
Stichting voor Fundamenteel Onderzoek der Materie (FOM), Netherlands;
National Centre for Research and Development,
Grants No. ERA-NET-ASPERA/01/11 and
No. ERA-NET-ASPERA/02/11, National Science Centre,
Grants No. 2013/08/M/ST9/00322, No. 2013/08/M/ST9/00728
and No. HARMONIA 5 - 2013/10/M/ST9/00062, Poland;
Portuguese national funds and FEDER funds within
Programa Operacional Factores de Competitividade
through Fundação para a Ciência e a Tecnologia (COMPETE), Portugal;
Romanian Authority for Scientific Research ANCS,
CNDI-UEFISCDI partnership projects Grants No. 20/2012
and No. 194/2012, Grants No. 1/ASPERA2/2012 ERA-NET,
No. PN-II-RU-PD-2011-3-0145-17 and No. PN-II-RU-PD-2011-3-0062,
the Minister of National Education, Programme
Space Technology and Advanced Research (STAR),
Grant No. 83/2013, Romania;
Slovenian Research Agency, Slovenia;
Comunidad de Madrid, FEDER funds, Ministerio de Educación y Ciencia,
Xunta de Galicia, European Community 7th Framework Program,
Grant No. FP7-PEOPLE-2012-IEF-328826, Spain;
Science and Technology Facilities Council, United Kingdom;
Department of Energy,
Contracts No. DE-AC02-07CH11359, No. DE-FR02-04ER41300,
No. DE-FG02-99ER41107 and No. DE-SC0011689,
National Science Foundation, Grant No. 0450696,
The Grainger Foundation, USA;
NAFOSTED, Vietnam;
Marie Curie-IRSES/EPLANET, European Particle Physics
Latin American Network, European Union 7th Framework
Program, Grant No. PIRSES-2009-GA-246806; and UNESCO.