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Abdul Halim A, Abreu P, Aglietta M, Allekotte I, Cheminant KA, Almela A, Aloisio R, Alvarez-Muñiz J, Yebra JA, Anastasi GA, Anchordoqui L, Andrada B, Andringa S, Anukriti, Apollonio L, Aramo C, Ferreira PRA, Arnone E, Velázquez JCA, Assis P, Avila G, Avocone E, Bakalova A, Barbato F, Mocellin AB, Bellido JA, Berat C, Bertaina ME, Bhatta G, Bianciotto M, Biermann PL, Binet V, Bismark K, Bister T, Biteau J, Blazek J, Bleve C, Blümer J, Boháčová M, Boncioli D, Bonifazi C, Arbeletche LB, Borodai N, Brack J, Orchera PGB, Briechle FL, Bueno A, Buitink S, Buscemi M, Büsken M, Bwembya A, Caballero-Mora KS, Cabana-Freire S, Caccianiga L, Caruso R, Castellina A, Catalani F, Cataldi G, Cazon L, Cerda M, Cermenati A, Chinellato JA, Chudoba J, Chytka L, Clay RW, Cerutti ACC, Colalillo R, Coleman A, Coluccia MR, Conceição R, Condorelli A, Consolati G, Conte M, Convenga F, Dos Santos DC, Costa PJ, Covault CE, Cristinziani M, Sanchez CSC, Dasso S, Daumiller K, Dawson BR, de Almeida RM, de Jesús J, de Jong SJ, Neto JRTDM, De Mitri I, de Oliveira J, Franco DDO, de Palma F, de Souza V, de Errico BPDS, De Vito E, Del Popolo A, Deligny O, Denner N, Deval L, di Matteo A, Dobre M, Dobrigkeit C, D'Olivo JC, Mendes LMD, Dorosti Q, Dos Anjos JC, Dos Anjos RC, Ebr J, Ellwanger F, Emam M, Engel R, Epicoco I, Erdmann M, Etchegoyen A, Evoli C, Falcke H, Farmer J, Farrar G, Fauth AC, Fazzini N, Feldbusch F, Fenu F, Fernandes A, Fick B, Figueira JM, Filipčič A, Fitoussi T, Flaggs B, Fodran T, Fujii T, Fuster A, Galea C, Galelli C, García B, Gaudu C, Gemmeke H, Gesualdi F, Gherghel-Lascu A, Ghia PL, Giaccari U, Glombitza J, Gobbi F, Gollan F, Golup G, Berisso MG, Vitale PFG, Gongora JP, González JM, González N, Goos I, Góra D, Gorgi A, Gottowik M, Grubb TD, Guarino F, Guedes GP, Guido E, Gülzow L, Hahn S, Hamal P, Hampel MR, Hansen P, Harari D, Harvey VM, Haungs A, Hebbeker T, Hojvat C, Hörandel JR, Horvath P, Hrabovský M, Huege T, Insolia A, Isar PG, Janecek P, Jilek V, Johnsen JA, Jurysek J, Kampert KH, Keilhauer B, Khakurdikar A, Covilakam VVK, Klages HO, Kleifges M, Knapp F, Köhler J, Kunka N, Lago BL, Langner N, de Oliveira MAL, Lema-Capeans Y, Letessier-Selvon A, Lhenry-Yvon I, Lopes L, Lu L, Luce Q, Lundquist JP, Payeras AM, Majercakova M, Mandat D, Manning BC, Mantsch P, Marafico S, Mariani FM, Mariazzi AG, Mariş IC, Marsella G, Martello D, Martinelli S, Bravo OM, Martins MA, Mathes HJ, Matthews J, Matthiae G, Mayotte E, Mayotte S, Mazur PO, Medina-Tanco G, Meinert J, Melo D, Menshikov A, Merx C, Michal S, Micheletti MI, Miramonti L, Mollerach S, Montanet F, Morejon L, Morello C, Mulrey K, Mussa R, Namasaka WM, Negi S, Nellen L, Nguyen K, Nicora G, Niechciol M, Nitz D, Nosek D, Novotny V, Nožka L, Nucita A, Núñez LA, Oliveira C, Palatka M, Pallotta J, Panja S, Parente G, Paulsen T, Pawlowsky J, Pech M, Pękala J, Pelayo R, Pereira LAS, Martins EEP, Armand JP, Bertolli CP, Perrone L, Petrera S, Petrucci C, Pierog T, Pimenta M, Platino M, Pont B, Pothast M, Shahvar MP, Privitera P, Prouza M, Puyleart A, Querchfeld S, Rautenberg J, Ravignani D, Akim JVR, Reininghaus M, Ridky J, Riehn F, Risse M, Rizi V, de Carvalho WR, Rodriguez E, Rojo JR, Roncoroni MJ, Rossoni S, Roth M, Roulet E, Rovero AC, Ruehl P, Saftoiu A, Saharan M, Salamida F, Salazar H, Salina G, Gomez JDS, Sánchez F, Santos EM, Santos E, Sarazin F, Sarmento R, Sato R, Savina P, Schäfer CM, Scherini V, Schieler H, Schimassek M, Schimp M, Schmidt D, Scholten O, Schoorlemmer H, Schovánek P, Schröder FG, Schulte J, Schulz T, Sciutto SJ, Scornavacche M, Segreto A, Sehgal S, Shivashankara SU, Sigl G, Silli G, Sima O, Simkova K, Simon F, Smau R, Šmída R, Sommers P, Soriano JF, Squartini R, Stadelmaier M, Stanič S, Stasielak J, Stassi P, Strähnz S, Straub M, Suomijärvi T, Supanitsky AD, Svozilikova Z, Szadkowski Z, Tairli F, Tapia A, Taricco C, Timmermans C, Tkachenko O, Tobiska P, Peixoto CJT, Tomé B, Torrès Z, Travaini A, Travnicek P, Trimarelli C, Tueros M, Unger M, Vaclavek L, Vacula M, Galicia JFV, Valore L, Varela E, Vásquez-Ramírez A, Veberič D, Ventura C, Quispe IDV, Verzi V, Vicha J, Vink J, Vorobiov S, Watanabe C, Watson AA, Weindl A, Wiencke L, Wilczyński H, Wittkowski D, Wundheiler B, Yue B, Yushkov A, Zapparrata O, Zas E, Zavrtanik D, Zavrtanik M. Demonstrating Agreement between Radio and Fluorescence Measurements of the Depth of Maximum of Extensive Air Showers at the Pierre Auger Observatory. Phys Rev Lett 2024; 132:021001. [PMID: 38277596 DOI: 10.1103/physrevlett.132.021001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 10/16/2023] [Accepted: 10/24/2023] [Indexed: 01/28/2024]
Abstract
We show, for the first time, radio measurements of the depth of shower maximum (X_{max}) of air showers induced by cosmic rays that are compared to measurements of the established fluorescence method at the same location. Using measurements at the Pierre Auger Observatory we show full compatibility between our radio and the previously published fluorescence dataset, and between a subset of air showers observed simultaneously with both radio and fluorescence techniques, a measurement setup unique to the Pierre Auger Observatory. Furthermore, we show radio X_{max} resolution as a function of energy and demonstrate the ability to make competitive high-resolution X_{max} measurements with even a sparse radio array. With this, we show that the radio technique is capable of cosmic-ray mass composition studies, both at Auger and at other experiments.
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Affiliation(s)
- A Abdul Halim
- University of Adelaide, Adelaide, South Australia, Australia
| | - P Abreu
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - M Aglietta
- INFN, Sezione di Torino, Torino, Italy
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
| | - I Allekotte
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | | | - A Almela
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
| | - R Aloisio
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | - J Alvarez-Muñiz
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - J Ammerman Yebra
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - G A Anastasi
- INFN, Sezione di Torino, Torino, Italy
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
| | - L Anchordoqui
- Department of Physics and Astronomy, Lehman College, City University of New York, Bronx, New York, USA
| | - B Andrada
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - S Andringa
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - Anukriti
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - L Apollonio
- INFN, Sezione di Milano, Milano, Italy
- Università di Milano, Dipartimento di Fisica, Milano, Italy
| | - C Aramo
- INFN, Sezione di Napoli, Napoli, Italy
| | | | - E Arnone
- INFN, Sezione di Torino, Torino, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
| | | | - P Assis
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - G Avila
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - E Avocone
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
| | - A Bakalova
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - F Barbato
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | | | - J A Bellido
- University of Adelaide, Adelaide, South Australia, Australia
- Universidad Nacional de San Agustin de Arequipa, Facultad de Ciencias Naturales y Formales, Arequipa, Peru
| | - C Berat
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
| | - M E Bertaina
- INFN, Sezione di Torino, Torino, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
| | - G Bhatta
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - M Bianciotto
- INFN, Sezione di Torino, Torino, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
| | - P L Biermann
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
- Departamento de Física and Departamento de Ciencias de la Atmósfera y los Océanos, FCEyN, Universidad de Buenos Aires and CONICET, Buenos Aires, Argentina
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
- Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Buenos Aires, Argentina
- Instituto de Física de Rosario (IFIR)-CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional-Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- International Center of Advanced Studies and Instituto de Ciencias Físicas, ECyT-UNSAM and CONICET, Campus Miguelete-San Martín, Buenos Aires, Argentina
- Laboratorio Atmósfera-Departamento de Investigaciones en Láseres y sus Aplicaciones-UNIDEF (CITEDEF-CONICET), Argentina
- Observatorio Pierre Auger, Malargüe, Argentina
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
- University of Adelaide, Adelaide, South Australia, Australia
- Université Libre de Bruxelles (ULB), Brussels, Belgium
- Vrije Universiteit Brussels, Brussels, Belgium
- Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Rio de Janeiro, Brazil
- Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Petropolis, Brazil
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Brazil
- Universidade de São Paulo, Escola de Engenharia de Lorena, Lorena, São Paulo, Brazil
- Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, São Paulo, Brazil
- Universidade de São Paulo, Instituto de Física, São Paulo, São Paulo, Brazil
- Universidade Estadual de Campinas, IFGW, Campinas, São Paulo, Brazil
- Universidade Estadual de Feira de Santana, Feira de Santana, Brazil
- Universidade Federal de Campina Grande, Centro de Ciencias e Tecnologia, Campina Grande, Brazil
- Universidade Federal do ABC, Santo André, São Paulo, Brazil
- Universidade Federal do Paraná, Setor Palotina, Palotina, Brazil
- Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal do Rio de Janeiro (UFRJ), Observatório do Valongo, Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal Fluminense, EEIMVR, Volta Redonda, Rio de Janeiro, Brazil
- Universidad de Medellín, Medellín, Colombia
- Universidad Industrial de Santander, Bucaramanga, Colombia
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
- Palacky University, Olomouc, Czech Republic
- CNRS/IN2P3, IJCLab, Université Paris-Saclay, Orsay, France
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université de Paris, CNRS-IN2P3, Paris, France
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
- Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany
- Universität Siegen, Department Physik-Experimentelle Teilchenphysik, Siegen, Germany
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- INFN, Sezione di Catania, Catania, Italy
- INFN, Sezione di Lecce, Lecce, Italy
- INFN, Sezione di Milano, Milano, Italy
- INFN, Sezione di Napoli, Napoli, Italy
- INFN, Sezione di Roma "Tor Vergata," Roma, Italy
- INFN, Sezione di Torino, Torino, Italy
- Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo (INAF), Palermo, Italy
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- Politecnico di Milano, Dipartimento di Scienze e Tecnologie Aerospaziali, Milano, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
- Università di Catania, Dipartimento di Fisica e Astronomia "Ettore Majorana," Catania, Italy
- Università di Milano, Dipartimento di Fisica, Milano, Italy
- Università di Napoli "Federico II," Dipartimento di Fisica "Ettore Pancini," Napoli, Italy
- Università di Palermo, Dipartimento di Fisica e Chimica "E. Segrè," Palermo, Italy
- Università di Roma "Tor Vergata," Dipartimento di Fisica, Roma, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
- Benemérita Universidad Autónoma de Puebla, Puebla, México
- Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas del Instituto Politécnico Nacional (UPIITA-IPN), México, Distrito Federal, México
- Universidad Autónoma de Chiapas, Tuxtla Gutiérrez, Chiapas, México
- Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Michoacán, México
- Universidad Nacional Autónoma de México, México, Distrito Federal, México
- Universidad Nacional de San Agustin de Arequipa, Facultad de Ciencias Naturales y Formales, Arequipa, Peru
- Institute of Nuclear Physics PAN, Krakow, Poland
- University of Łódź, Faculty of High-Energy Astrophysics,Łódź, Poland
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
- Institute of Space Science, Bucharest-Magurele, Romania
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
- Universidad de Granada and C.A.F.P.E., Granada, Spain
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
- Stichting Astronomisch Onderzoek in Nederland (ASTRON), Dwingeloo, The Netherlands
- Universiteit van Amsterdam, Faculty of Science, Amsterdam, The Netherlands
- Case Western Reserve University, Cleveland, Ohio, USA
- Colorado School of Mines, Golden, Colorado, USA
- Department of Physics and Astronomy, Lehman College, City University of New York, Bronx, New York, USA
- Michigan Technological University, Houghton, Michigan, USA
- New York University, New York, New York, USA
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
- University of Delaware, Department of Physics and Astronomy, Bartol Research Institute, Newark, Delaware, USA
- University of Wisconsin-Madison, Department of Physics and WIPAC, Madison, Wisconsin, USA
| | - V Binet
- Instituto de Física de Rosario (IFIR)-CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina
| | - K Bismark
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
| | - T Bister
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - J Biteau
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
| | - J Blazek
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - C Bleve
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
| | - J Blümer
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - M Boháčová
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - D Boncioli
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
| | - C Bonifazi
- International Center of Advanced Studies and Instituto de Ciencias Físicas, ECyT-UNSAM and CONICET, Campus Miguelete-San Martín, Buenos Aires, Argentina
- Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - N Borodai
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - J Brack
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
- Departamento de Física and Departamento de Ciencias de la Atmósfera y los Océanos, FCEyN, Universidad de Buenos Aires and CONICET, Buenos Aires, Argentina
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
- Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Buenos Aires, Argentina
- Instituto de Física de Rosario (IFIR)-CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional-Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- International Center of Advanced Studies and Instituto de Ciencias Físicas, ECyT-UNSAM and CONICET, Campus Miguelete-San Martín, Buenos Aires, Argentina
- Laboratorio Atmósfera-Departamento de Investigaciones en Láseres y sus Aplicaciones-UNIDEF (CITEDEF-CONICET), Argentina
- Observatorio Pierre Auger, Malargüe, Argentina
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
- University of Adelaide, Adelaide, South Australia, Australia
- Université Libre de Bruxelles (ULB), Brussels, Belgium
- Vrije Universiteit Brussels, Brussels, Belgium
- Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Rio de Janeiro, Brazil
- Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Petropolis, Brazil
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Brazil
- Universidade de São Paulo, Escola de Engenharia de Lorena, Lorena, São Paulo, Brazil
- Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, São Paulo, Brazil
- Universidade de São Paulo, Instituto de Física, São Paulo, São Paulo, Brazil
- Universidade Estadual de Campinas, IFGW, Campinas, São Paulo, Brazil
- Universidade Estadual de Feira de Santana, Feira de Santana, Brazil
- Universidade Federal de Campina Grande, Centro de Ciencias e Tecnologia, Campina Grande, Brazil
- Universidade Federal do ABC, Santo André, São Paulo, Brazil
- Universidade Federal do Paraná, Setor Palotina, Palotina, Brazil
- Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal do Rio de Janeiro (UFRJ), Observatório do Valongo, Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal Fluminense, EEIMVR, Volta Redonda, Rio de Janeiro, Brazil
- Universidad de Medellín, Medellín, Colombia
- Universidad Industrial de Santander, Bucaramanga, Colombia
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
- Palacky University, Olomouc, Czech Republic
- CNRS/IN2P3, IJCLab, Université Paris-Saclay, Orsay, France
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université de Paris, CNRS-IN2P3, Paris, France
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
- Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany
- Universität Siegen, Department Physik-Experimentelle Teilchenphysik, Siegen, Germany
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- INFN, Sezione di Catania, Catania, Italy
- INFN, Sezione di Lecce, Lecce, Italy
- INFN, Sezione di Milano, Milano, Italy
- INFN, Sezione di Napoli, Napoli, Italy
- INFN, Sezione di Roma "Tor Vergata," Roma, Italy
- INFN, Sezione di Torino, Torino, Italy
- Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo (INAF), Palermo, Italy
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- Politecnico di Milano, Dipartimento di Scienze e Tecnologie Aerospaziali, Milano, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
- Università di Catania, Dipartimento di Fisica e Astronomia "Ettore Majorana," Catania, Italy
- Università di Milano, Dipartimento di Fisica, Milano, Italy
- Università di Napoli "Federico II," Dipartimento di Fisica "Ettore Pancini," Napoli, Italy
- Università di Palermo, Dipartimento di Fisica e Chimica "E. Segrè," Palermo, Italy
- Università di Roma "Tor Vergata," Dipartimento di Fisica, Roma, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
- Benemérita Universidad Autónoma de Puebla, Puebla, México
- Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas del Instituto Politécnico Nacional (UPIITA-IPN), México, Distrito Federal, México
- Universidad Autónoma de Chiapas, Tuxtla Gutiérrez, Chiapas, México
- Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Michoacán, México
- Universidad Nacional Autónoma de México, México, Distrito Federal, México
- Universidad Nacional de San Agustin de Arequipa, Facultad de Ciencias Naturales y Formales, Arequipa, Peru
- Institute of Nuclear Physics PAN, Krakow, Poland
- University of Łódź, Faculty of High-Energy Astrophysics,Łódź, Poland
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
- Institute of Space Science, Bucharest-Magurele, Romania
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
- Universidad de Granada and C.A.F.P.E., Granada, Spain
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
- Stichting Astronomisch Onderzoek in Nederland (ASTRON), Dwingeloo, The Netherlands
- Universiteit van Amsterdam, Faculty of Science, Amsterdam, The Netherlands
- Case Western Reserve University, Cleveland, Ohio, USA
- Colorado School of Mines, Golden, Colorado, USA
- Department of Physics and Astronomy, Lehman College, City University of New York, Bronx, New York, USA
- Michigan Technological University, Houghton, Michigan, USA
- New York University, New York, New York, USA
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
- University of Delaware, Department of Physics and Astronomy, Bartol Research Institute, Newark, Delaware, USA
- University of Wisconsin-Madison, Department of Physics and WIPAC, Madison, Wisconsin, USA
| | - P G Brichetto Orchera
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - F L Briechle
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - A Bueno
- Universidad de Granada and C.A.F.P.E., Granada, Spain
| | - S Buitink
- Vrije Universiteit Brussels, Brussels, Belgium
| | - M Buscemi
- INFN, Sezione di Catania, Catania, Italy
- Università di Palermo, Dipartimento di Fisica e Chimica "E. Segrè," Palermo, Italy
| | - M Büsken
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
| | - A Bwembya
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | | | - S Cabana-Freire
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - L Caccianiga
- INFN, Sezione di Milano, Milano, Italy
- Università di Milano, Dipartimento di Fisica, Milano, Italy
| | - R Caruso
- INFN, Sezione di Catania, Catania, Italy
- Università di Catania, Dipartimento di Fisica e Astronomia "Ettore Majorana," Catania, Italy
| | - A Castellina
- INFN, Sezione di Torino, Torino, Italy
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
| | - F Catalani
- Universidade de São Paulo, Escola de Engenharia de Lorena, Lorena, São Paulo, Brazil
| | - G Cataldi
- INFN, Sezione di Lecce, Lecce, Italy
| | - L Cazon
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - M Cerda
- Observatorio Pierre Auger, Malargüe, Argentina
| | - A Cermenati
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | - J A Chinellato
- Universidade Estadual de Campinas, IFGW, Campinas, São Paulo, Brazil
| | - J Chudoba
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - L Chytka
- Palacky University, Olomouc, Czech Republic
| | - R W Clay
- University of Adelaide, Adelaide, South Australia, Australia
| | - A C Cobos Cerutti
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional-Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina
| | - R Colalillo
- INFN, Sezione di Napoli, Napoli, Italy
- Università di Napoli "Federico II," Dipartimento di Fisica "Ettore Pancini," Napoli, Italy
| | - A Coleman
- University of Delaware, Department of Physics and Astronomy, Bartol Research Institute, Newark, Delaware, USA
| | | | - R Conceição
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - A Condorelli
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
| | - G Consolati
- INFN, Sezione di Milano, Milano, Italy
- Politecnico di Milano, Dipartimento di Scienze e Tecnologie Aerospaziali, Milano, Italy
| | - M Conte
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
| | - F Convenga
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
| | | | - P J Costa
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - C E Covault
- Case Western Reserve University, Cleveland, Ohio, USA
| | - M Cristinziani
- Universität Siegen, Department Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - C S Cruz Sanchez
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - S Dasso
- Departamento de Física and Departamento de Ciencias de la Atmósfera y los Océanos, FCEyN, Universidad de Buenos Aires and CONICET, Buenos Aires, Argentina
- Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Buenos Aires, Argentina
| | - K Daumiller
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - B R Dawson
- University of Adelaide, Adelaide, South Australia, Australia
| | - R M de Almeida
- Universidade Federal Fluminense, EEIMVR, Volta Redonda, Rio de Janeiro, Brazil
| | - J de Jesús
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - S J de Jong
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - J R T de Mello Neto
- Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal do Rio de Janeiro (UFRJ), Observatório do Valongo, Rio de Janeiro, Rio de Janeiro, Brazil
| | - I De Mitri
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | - J de Oliveira
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Brazil
| | | | - F de Palma
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
| | - V de Souza
- Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, São Paulo, Brazil
| | - B P de Souza de Errico
- Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, Rio de Janeiro, Brazil
| | - E De Vito
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
| | - A Del Popolo
- INFN, Sezione di Catania, Catania, Italy
- Università di Catania, Dipartimento di Fisica e Astronomia "Ettore Majorana," Catania, Italy
| | - O Deligny
- CNRS/IN2P3, IJCLab, Université Paris-Saclay, Orsay, France
| | - N Denner
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - L Deval
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | | | - M Dobre
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - C Dobrigkeit
- Universidade Estadual de Campinas, IFGW, Campinas, São Paulo, Brazil
| | - J C D'Olivo
- Universidad Nacional Autónoma de México, México, Distrito Federal, México
| | - L M Domingues Mendes
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - Q Dorosti
- Universität Siegen, Department Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - J C Dos Anjos
- Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Rio de Janeiro, Brazil
| | - R C Dos Anjos
- Universidade Federal do Paraná, Setor Palotina, Palotina, Brazil
| | - J Ebr
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - F Ellwanger
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - M Emam
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - R Engel
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - I Epicoco
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
| | - M Erdmann
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - A Etchegoyen
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
| | - C Evoli
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | - H Falcke
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
- Stichting Astronomisch Onderzoek in Nederland (ASTRON), Dwingeloo, The Netherlands
| | - J Farmer
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
| | - G Farrar
- New York University, New York, New York, USA
| | - A C Fauth
- Universidade Estadual de Campinas, IFGW, Campinas, São Paulo, Brazil
| | - N Fazzini
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
- Departamento de Física and Departamento de Ciencias de la Atmósfera y los Océanos, FCEyN, Universidad de Buenos Aires and CONICET, Buenos Aires, Argentina
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
- Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Buenos Aires, Argentina
- Instituto de Física de Rosario (IFIR)-CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional-Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- International Center of Advanced Studies and Instituto de Ciencias Físicas, ECyT-UNSAM and CONICET, Campus Miguelete-San Martín, Buenos Aires, Argentina
- Laboratorio Atmósfera-Departamento de Investigaciones en Láseres y sus Aplicaciones-UNIDEF (CITEDEF-CONICET), Argentina
- Observatorio Pierre Auger, Malargüe, Argentina
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
- University of Adelaide, Adelaide, South Australia, Australia
- Université Libre de Bruxelles (ULB), Brussels, Belgium
- Vrije Universiteit Brussels, Brussels, Belgium
- Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Rio de Janeiro, Brazil
- Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Petropolis, Brazil
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Brazil
- Universidade de São Paulo, Escola de Engenharia de Lorena, Lorena, São Paulo, Brazil
- Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, São Paulo, Brazil
- Universidade de São Paulo, Instituto de Física, São Paulo, São Paulo, Brazil
- Universidade Estadual de Campinas, IFGW, Campinas, São Paulo, Brazil
- Universidade Estadual de Feira de Santana, Feira de Santana, Brazil
- Universidade Federal de Campina Grande, Centro de Ciencias e Tecnologia, Campina Grande, Brazil
- Universidade Federal do ABC, Santo André, São Paulo, Brazil
- Universidade Federal do Paraná, Setor Palotina, Palotina, Brazil
- Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal do Rio de Janeiro (UFRJ), Observatório do Valongo, Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal Fluminense, EEIMVR, Volta Redonda, Rio de Janeiro, Brazil
- Universidad de Medellín, Medellín, Colombia
- Universidad Industrial de Santander, Bucaramanga, Colombia
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
- Palacky University, Olomouc, Czech Republic
- CNRS/IN2P3, IJCLab, Université Paris-Saclay, Orsay, France
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université de Paris, CNRS-IN2P3, Paris, France
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
- Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany
- Universität Siegen, Department Physik-Experimentelle Teilchenphysik, Siegen, Germany
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- INFN, Sezione di Catania, Catania, Italy
- INFN, Sezione di Lecce, Lecce, Italy
- INFN, Sezione di Milano, Milano, Italy
- INFN, Sezione di Napoli, Napoli, Italy
- INFN, Sezione di Roma "Tor Vergata," Roma, Italy
- INFN, Sezione di Torino, Torino, Italy
- Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo (INAF), Palermo, Italy
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- Politecnico di Milano, Dipartimento di Scienze e Tecnologie Aerospaziali, Milano, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
- Università di Catania, Dipartimento di Fisica e Astronomia "Ettore Majorana," Catania, Italy
- Università di Milano, Dipartimento di Fisica, Milano, Italy
- Università di Napoli "Federico II," Dipartimento di Fisica "Ettore Pancini," Napoli, Italy
- Università di Palermo, Dipartimento di Fisica e Chimica "E. Segrè," Palermo, Italy
- Università di Roma "Tor Vergata," Dipartimento di Fisica, Roma, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
- Benemérita Universidad Autónoma de Puebla, Puebla, México
- Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas del Instituto Politécnico Nacional (UPIITA-IPN), México, Distrito Federal, México
- Universidad Autónoma de Chiapas, Tuxtla Gutiérrez, Chiapas, México
- Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Michoacán, México
- Universidad Nacional Autónoma de México, México, Distrito Federal, México
- Universidad Nacional de San Agustin de Arequipa, Facultad de Ciencias Naturales y Formales, Arequipa, Peru
- Institute of Nuclear Physics PAN, Krakow, Poland
- University of Łódź, Faculty of High-Energy Astrophysics,Łódź, Poland
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
- Institute of Space Science, Bucharest-Magurele, Romania
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
- Universidad de Granada and C.A.F.P.E., Granada, Spain
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
- Stichting Astronomisch Onderzoek in Nederland (ASTRON), Dwingeloo, The Netherlands
- Universiteit van Amsterdam, Faculty of Science, Amsterdam, The Netherlands
- Case Western Reserve University, Cleveland, Ohio, USA
- Colorado School of Mines, Golden, Colorado, USA
- Department of Physics and Astronomy, Lehman College, City University of New York, Bronx, New York, USA
- Michigan Technological University, Houghton, Michigan, USA
- New York University, New York, New York, USA
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
- University of Delaware, Department of Physics and Astronomy, Bartol Research Institute, Newark, Delaware, USA
- University of Wisconsin-Madison, Department of Physics and WIPAC, Madison, Wisconsin, USA
| | - F Feldbusch
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | - F Fenu
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - A Fernandes
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - B Fick
- Michigan Technological University, Houghton, Michigan, USA
| | - J M Figueira
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - A Filipčič
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
| | - T Fitoussi
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - B Flaggs
- University of Delaware, Department of Physics and Astronomy, Bartol Research Institute, Newark, Delaware, USA
| | - T Fodran
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
| | - T Fujii
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
| | - A Fuster
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
| | - C Galea
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
| | - C Galelli
- INFN, Sezione di Milano, Milano, Italy
- Università di Milano, Dipartimento di Fisica, Milano, Italy
| | - B García
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional-Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina
| | - C Gaudu
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - H Gemmeke
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | - F Gesualdi
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - A Gherghel-Lascu
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - P L Ghia
- CNRS/IN2P3, IJCLab, Université Paris-Saclay, Orsay, France
| | | | - J Glombitza
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - F Gobbi
- Observatorio Pierre Auger, Malargüe, Argentina
| | - F Gollan
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - G Golup
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - M Gómez Berisso
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - P F Gómez Vitale
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - J P Gongora
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - J M González
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - N González
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - I Goos
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - D Góra
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - A Gorgi
- INFN, Sezione di Torino, Torino, Italy
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
| | - M Gottowik
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - T D Grubb
- University of Adelaide, Adelaide, South Australia, Australia
| | - F Guarino
- INFN, Sezione di Napoli, Napoli, Italy
- Università di Napoli "Federico II," Dipartimento di Fisica "Ettore Pancini," Napoli, Italy
| | - G P Guedes
- Universidade Estadual de Feira de Santana, Feira de Santana, Brazil
| | - E Guido
- Universität Siegen, Department Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - L Gülzow
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - S Hahn
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
| | - P Hamal
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - M R Hampel
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - P Hansen
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - D Harari
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - V M Harvey
- University of Adelaide, Adelaide, South Australia, Australia
| | - A Haungs
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - T Hebbeker
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - C Hojvat
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
- Departamento de Física and Departamento de Ciencias de la Atmósfera y los Océanos, FCEyN, Universidad de Buenos Aires and CONICET, Buenos Aires, Argentina
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
- Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Buenos Aires, Argentina
- Instituto de Física de Rosario (IFIR)-CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional-Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- International Center of Advanced Studies and Instituto de Ciencias Físicas, ECyT-UNSAM and CONICET, Campus Miguelete-San Martín, Buenos Aires, Argentina
- Laboratorio Atmósfera-Departamento de Investigaciones en Láseres y sus Aplicaciones-UNIDEF (CITEDEF-CONICET), Argentina
- Observatorio Pierre Auger, Malargüe, Argentina
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
- University of Adelaide, Adelaide, South Australia, Australia
- Université Libre de Bruxelles (ULB), Brussels, Belgium
- Vrije Universiteit Brussels, Brussels, Belgium
- Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Rio de Janeiro, Brazil
- Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Petropolis, Brazil
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Brazil
- Universidade de São Paulo, Escola de Engenharia de Lorena, Lorena, São Paulo, Brazil
- Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, São Paulo, Brazil
- Universidade de São Paulo, Instituto de Física, São Paulo, São Paulo, Brazil
- Universidade Estadual de Campinas, IFGW, Campinas, São Paulo, Brazil
- Universidade Estadual de Feira de Santana, Feira de Santana, Brazil
- Universidade Federal de Campina Grande, Centro de Ciencias e Tecnologia, Campina Grande, Brazil
- Universidade Federal do ABC, Santo André, São Paulo, Brazil
- Universidade Federal do Paraná, Setor Palotina, Palotina, Brazil
- Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal do Rio de Janeiro (UFRJ), Observatório do Valongo, Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal Fluminense, EEIMVR, Volta Redonda, Rio de Janeiro, Brazil
- Universidad de Medellín, Medellín, Colombia
- Universidad Industrial de Santander, Bucaramanga, Colombia
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
- Palacky University, Olomouc, Czech Republic
- CNRS/IN2P3, IJCLab, Université Paris-Saclay, Orsay, France
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université de Paris, CNRS-IN2P3, Paris, France
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
- Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany
- Universität Siegen, Department Physik-Experimentelle Teilchenphysik, Siegen, Germany
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- INFN, Sezione di Catania, Catania, Italy
- INFN, Sezione di Lecce, Lecce, Italy
- INFN, Sezione di Milano, Milano, Italy
- INFN, Sezione di Napoli, Napoli, Italy
- INFN, Sezione di Roma "Tor Vergata," Roma, Italy
- INFN, Sezione di Torino, Torino, Italy
- Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo (INAF), Palermo, Italy
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- Politecnico di Milano, Dipartimento di Scienze e Tecnologie Aerospaziali, Milano, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
- Università di Catania, Dipartimento di Fisica e Astronomia "Ettore Majorana," Catania, Italy
- Università di Milano, Dipartimento di Fisica, Milano, Italy
- Università di Napoli "Federico II," Dipartimento di Fisica "Ettore Pancini," Napoli, Italy
- Università di Palermo, Dipartimento di Fisica e Chimica "E. Segrè," Palermo, Italy
- Università di Roma "Tor Vergata," Dipartimento di Fisica, Roma, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
- Benemérita Universidad Autónoma de Puebla, Puebla, México
- Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas del Instituto Politécnico Nacional (UPIITA-IPN), México, Distrito Federal, México
- Universidad Autónoma de Chiapas, Tuxtla Gutiérrez, Chiapas, México
- Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Michoacán, México
- Universidad Nacional Autónoma de México, México, Distrito Federal, México
- Universidad Nacional de San Agustin de Arequipa, Facultad de Ciencias Naturales y Formales, Arequipa, Peru
- Institute of Nuclear Physics PAN, Krakow, Poland
- University of Łódź, Faculty of High-Energy Astrophysics,Łódź, Poland
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
- Institute of Space Science, Bucharest-Magurele, Romania
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
- Universidad de Granada and C.A.F.P.E., Granada, Spain
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
- Stichting Astronomisch Onderzoek in Nederland (ASTRON), Dwingeloo, The Netherlands
- Universiteit van Amsterdam, Faculty of Science, Amsterdam, The Netherlands
- Case Western Reserve University, Cleveland, Ohio, USA
- Colorado School of Mines, Golden, Colorado, USA
- Department of Physics and Astronomy, Lehman College, City University of New York, Bronx, New York, USA
- Michigan Technological University, Houghton, Michigan, USA
- New York University, New York, New York, USA
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
- University of Delaware, Department of Physics and Astronomy, Bartol Research Institute, Newark, Delaware, USA
- University of Wisconsin-Madison, Department of Physics and WIPAC, Madison, Wisconsin, USA
| | - J R Hörandel
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - P Horvath
- Palacky University, Olomouc, Czech Republic
| | | | - T Huege
- Vrije Universiteit Brussels, Brussels, Belgium
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - A Insolia
- INFN, Sezione di Catania, Catania, Italy
- Università di Catania, Dipartimento di Fisica e Astronomia "Ettore Majorana," Catania, Italy
| | - P G Isar
- Institute of Space Science, Bucharest-Magurele, Romania
| | - P Janecek
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - V Jilek
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - J A Johnsen
- Colorado School of Mines, Golden, Colorado, USA
| | - J Jurysek
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - K-H Kampert
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - B Keilhauer
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - A Khakurdikar
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
| | - V V Kizakke Covilakam
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - H O Klages
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - M Kleifges
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | - F Knapp
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
| | - J Köhler
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - N Kunka
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | - B L Lago
- Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Petropolis, Brazil
| | - N Langner
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | | | - Y Lema-Capeans
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - A Letessier-Selvon
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université de Paris, CNRS-IN2P3, Paris, France
| | - I Lhenry-Yvon
- CNRS/IN2P3, IJCLab, Université Paris-Saclay, Orsay, France
| | - L Lopes
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - L Lu
- University of Wisconsin-Madison, Department of Physics and WIPAC, Madison, Wisconsin, USA
| | - Q Luce
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
| | - J P Lundquist
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - A Machado Payeras
- Universidade Estadual de Campinas, IFGW, Campinas, São Paulo, Brazil
| | - M Majercakova
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - D Mandat
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - B C Manning
- University of Adelaide, Adelaide, South Australia, Australia
| | - P Mantsch
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
- Departamento de Física and Departamento de Ciencias de la Atmósfera y los Océanos, FCEyN, Universidad de Buenos Aires and CONICET, Buenos Aires, Argentina
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
- Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Buenos Aires, Argentina
- Instituto de Física de Rosario (IFIR)-CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional-Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- International Center of Advanced Studies and Instituto de Ciencias Físicas, ECyT-UNSAM and CONICET, Campus Miguelete-San Martín, Buenos Aires, Argentina
- Laboratorio Atmósfera-Departamento de Investigaciones en Láseres y sus Aplicaciones-UNIDEF (CITEDEF-CONICET), Argentina
- Observatorio Pierre Auger, Malargüe, Argentina
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
- University of Adelaide, Adelaide, South Australia, Australia
- Université Libre de Bruxelles (ULB), Brussels, Belgium
- Vrije Universiteit Brussels, Brussels, Belgium
- Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Rio de Janeiro, Brazil
- Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Petropolis, Brazil
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Brazil
- Universidade de São Paulo, Escola de Engenharia de Lorena, Lorena, São Paulo, Brazil
- Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, São Paulo, Brazil
- Universidade de São Paulo, Instituto de Física, São Paulo, São Paulo, Brazil
- Universidade Estadual de Campinas, IFGW, Campinas, São Paulo, Brazil
- Universidade Estadual de Feira de Santana, Feira de Santana, Brazil
- Universidade Federal de Campina Grande, Centro de Ciencias e Tecnologia, Campina Grande, Brazil
- Universidade Federal do ABC, Santo André, São Paulo, Brazil
- Universidade Federal do Paraná, Setor Palotina, Palotina, Brazil
- Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal do Rio de Janeiro (UFRJ), Observatório do Valongo, Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal Fluminense, EEIMVR, Volta Redonda, Rio de Janeiro, Brazil
- Universidad de Medellín, Medellín, Colombia
- Universidad Industrial de Santander, Bucaramanga, Colombia
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
- Palacky University, Olomouc, Czech Republic
- CNRS/IN2P3, IJCLab, Université Paris-Saclay, Orsay, France
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université de Paris, CNRS-IN2P3, Paris, France
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
- Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany
- Universität Siegen, Department Physik-Experimentelle Teilchenphysik, Siegen, Germany
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- INFN, Sezione di Catania, Catania, Italy
- INFN, Sezione di Lecce, Lecce, Italy
- INFN, Sezione di Milano, Milano, Italy
- INFN, Sezione di Napoli, Napoli, Italy
- INFN, Sezione di Roma "Tor Vergata," Roma, Italy
- INFN, Sezione di Torino, Torino, Italy
- Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo (INAF), Palermo, Italy
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- Politecnico di Milano, Dipartimento di Scienze e Tecnologie Aerospaziali, Milano, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
- Università di Catania, Dipartimento di Fisica e Astronomia "Ettore Majorana," Catania, Italy
- Università di Milano, Dipartimento di Fisica, Milano, Italy
- Università di Napoli "Federico II," Dipartimento di Fisica "Ettore Pancini," Napoli, Italy
- Università di Palermo, Dipartimento di Fisica e Chimica "E. Segrè," Palermo, Italy
- Università di Roma "Tor Vergata," Dipartimento di Fisica, Roma, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
- Benemérita Universidad Autónoma de Puebla, Puebla, México
- Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas del Instituto Politécnico Nacional (UPIITA-IPN), México, Distrito Federal, México
- Universidad Autónoma de Chiapas, Tuxtla Gutiérrez, Chiapas, México
- Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Michoacán, México
- Universidad Nacional Autónoma de México, México, Distrito Federal, México
- Universidad Nacional de San Agustin de Arequipa, Facultad de Ciencias Naturales y Formales, Arequipa, Peru
- Institute of Nuclear Physics PAN, Krakow, Poland
- University of Łódź, Faculty of High-Energy Astrophysics,Łódź, Poland
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
- Institute of Space Science, Bucharest-Magurele, Romania
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
- Universidad de Granada and C.A.F.P.E., Granada, Spain
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
- Stichting Astronomisch Onderzoek in Nederland (ASTRON), Dwingeloo, The Netherlands
- Universiteit van Amsterdam, Faculty of Science, Amsterdam, The Netherlands
- Case Western Reserve University, Cleveland, Ohio, USA
- Colorado School of Mines, Golden, Colorado, USA
- Department of Physics and Astronomy, Lehman College, City University of New York, Bronx, New York, USA
- Michigan Technological University, Houghton, Michigan, USA
- New York University, New York, New York, USA
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
- University of Delaware, Department of Physics and Astronomy, Bartol Research Institute, Newark, Delaware, USA
- University of Wisconsin-Madison, Department of Physics and WIPAC, Madison, Wisconsin, USA
| | - S Marafico
- CNRS/IN2P3, IJCLab, Université Paris-Saclay, Orsay, France
| | - F M Mariani
- INFN, Sezione di Milano, Milano, Italy
- Università di Milano, Dipartimento di Fisica, Milano, Italy
| | - A G Mariazzi
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - I C Mariş
- Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - G Marsella
- INFN, Sezione di Catania, Catania, Italy
- Università di Palermo, Dipartimento di Fisica e Chimica "E. Segrè," Palermo, Italy
| | - D Martello
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
| | - S Martinelli
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | | | - M A Martins
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - H-J Mathes
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - J Matthews
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
- Departamento de Física and Departamento de Ciencias de la Atmósfera y los Océanos, FCEyN, Universidad de Buenos Aires and CONICET, Buenos Aires, Argentina
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
- Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Buenos Aires, Argentina
- Instituto de Física de Rosario (IFIR)-CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional-Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- International Center of Advanced Studies and Instituto de Ciencias Físicas, ECyT-UNSAM and CONICET, Campus Miguelete-San Martín, Buenos Aires, Argentina
- Laboratorio Atmósfera-Departamento de Investigaciones en Láseres y sus Aplicaciones-UNIDEF (CITEDEF-CONICET), Argentina
- Observatorio Pierre Auger, Malargüe, Argentina
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
- University of Adelaide, Adelaide, South Australia, Australia
- Université Libre de Bruxelles (ULB), Brussels, Belgium
- Vrije Universiteit Brussels, Brussels, Belgium
- Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Rio de Janeiro, Brazil
- Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Petropolis, Brazil
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Brazil
- Universidade de São Paulo, Escola de Engenharia de Lorena, Lorena, São Paulo, Brazil
- Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, São Paulo, Brazil
- Universidade de São Paulo, Instituto de Física, São Paulo, São Paulo, Brazil
- Universidade Estadual de Campinas, IFGW, Campinas, São Paulo, Brazil
- Universidade Estadual de Feira de Santana, Feira de Santana, Brazil
- Universidade Federal de Campina Grande, Centro de Ciencias e Tecnologia, Campina Grande, Brazil
- Universidade Federal do ABC, Santo André, São Paulo, Brazil
- Universidade Federal do Paraná, Setor Palotina, Palotina, Brazil
- Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal do Rio de Janeiro (UFRJ), Observatório do Valongo, Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal Fluminense, EEIMVR, Volta Redonda, Rio de Janeiro, Brazil
- Universidad de Medellín, Medellín, Colombia
- Universidad Industrial de Santander, Bucaramanga, Colombia
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
- Palacky University, Olomouc, Czech Republic
- CNRS/IN2P3, IJCLab, Université Paris-Saclay, Orsay, France
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université de Paris, CNRS-IN2P3, Paris, France
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
- Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany
- Universität Siegen, Department Physik-Experimentelle Teilchenphysik, Siegen, Germany
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- INFN, Sezione di Catania, Catania, Italy
- INFN, Sezione di Lecce, Lecce, Italy
- INFN, Sezione di Milano, Milano, Italy
- INFN, Sezione di Napoli, Napoli, Italy
- INFN, Sezione di Roma "Tor Vergata," Roma, Italy
- INFN, Sezione di Torino, Torino, Italy
- Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo (INAF), Palermo, Italy
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- Politecnico di Milano, Dipartimento di Scienze e Tecnologie Aerospaziali, Milano, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
- Università di Catania, Dipartimento di Fisica e Astronomia "Ettore Majorana," Catania, Italy
- Università di Milano, Dipartimento di Fisica, Milano, Italy
- Università di Napoli "Federico II," Dipartimento di Fisica "Ettore Pancini," Napoli, Italy
- Università di Palermo, Dipartimento di Fisica e Chimica "E. Segrè," Palermo, Italy
- Università di Roma "Tor Vergata," Dipartimento di Fisica, Roma, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
- Benemérita Universidad Autónoma de Puebla, Puebla, México
- Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas del Instituto Politécnico Nacional (UPIITA-IPN), México, Distrito Federal, México
- Universidad Autónoma de Chiapas, Tuxtla Gutiérrez, Chiapas, México
- Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Michoacán, México
- Universidad Nacional Autónoma de México, México, Distrito Federal, México
- Universidad Nacional de San Agustin de Arequipa, Facultad de Ciencias Naturales y Formales, Arequipa, Peru
- Institute of Nuclear Physics PAN, Krakow, Poland
- University of Łódź, Faculty of High-Energy Astrophysics,Łódź, Poland
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
- Institute of Space Science, Bucharest-Magurele, Romania
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
- Universidad de Granada and C.A.F.P.E., Granada, Spain
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
- Stichting Astronomisch Onderzoek in Nederland (ASTRON), Dwingeloo, The Netherlands
- Universiteit van Amsterdam, Faculty of Science, Amsterdam, The Netherlands
- Case Western Reserve University, Cleveland, Ohio, USA
- Colorado School of Mines, Golden, Colorado, USA
- Department of Physics and Astronomy, Lehman College, City University of New York, Bronx, New York, USA
- Michigan Technological University, Houghton, Michigan, USA
- New York University, New York, New York, USA
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
- University of Delaware, Department of Physics and Astronomy, Bartol Research Institute, Newark, Delaware, USA
- University of Wisconsin-Madison, Department of Physics and WIPAC, Madison, Wisconsin, USA
| | - G Matthiae
- INFN, Sezione di Roma "Tor Vergata," Roma, Italy
- Università di Roma "Tor Vergata," Dipartimento di Fisica, Roma, Italy
| | - E Mayotte
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
- Colorado School of Mines, Golden, Colorado, USA
| | - S Mayotte
- Colorado School of Mines, Golden, Colorado, USA
| | - P O Mazur
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
- Departamento de Física and Departamento de Ciencias de la Atmósfera y los Océanos, FCEyN, Universidad de Buenos Aires and CONICET, Buenos Aires, Argentina
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
- Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Buenos Aires, Argentina
- Instituto de Física de Rosario (IFIR)-CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional-Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- International Center of Advanced Studies and Instituto de Ciencias Físicas, ECyT-UNSAM and CONICET, Campus Miguelete-San Martín, Buenos Aires, Argentina
- Laboratorio Atmósfera-Departamento de Investigaciones en Láseres y sus Aplicaciones-UNIDEF (CITEDEF-CONICET), Argentina
- Observatorio Pierre Auger, Malargüe, Argentina
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
- University of Adelaide, Adelaide, South Australia, Australia
- Université Libre de Bruxelles (ULB), Brussels, Belgium
- Vrije Universiteit Brussels, Brussels, Belgium
- Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Rio de Janeiro, Brazil
- Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Petropolis, Brazil
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Brazil
- Universidade de São Paulo, Escola de Engenharia de Lorena, Lorena, São Paulo, Brazil
- Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, São Paulo, Brazil
- Universidade de São Paulo, Instituto de Física, São Paulo, São Paulo, Brazil
- Universidade Estadual de Campinas, IFGW, Campinas, São Paulo, Brazil
- Universidade Estadual de Feira de Santana, Feira de Santana, Brazil
- Universidade Federal de Campina Grande, Centro de Ciencias e Tecnologia, Campina Grande, Brazil
- Universidade Federal do ABC, Santo André, São Paulo, Brazil
- Universidade Federal do Paraná, Setor Palotina, Palotina, Brazil
- Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal do Rio de Janeiro (UFRJ), Observatório do Valongo, Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal Fluminense, EEIMVR, Volta Redonda, Rio de Janeiro, Brazil
- Universidad de Medellín, Medellín, Colombia
- Universidad Industrial de Santander, Bucaramanga, Colombia
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
- Palacky University, Olomouc, Czech Republic
- CNRS/IN2P3, IJCLab, Université Paris-Saclay, Orsay, France
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université de Paris, CNRS-IN2P3, Paris, France
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
- Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany
- Universität Siegen, Department Physik-Experimentelle Teilchenphysik, Siegen, Germany
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- INFN, Sezione di Catania, Catania, Italy
- INFN, Sezione di Lecce, Lecce, Italy
- INFN, Sezione di Milano, Milano, Italy
- INFN, Sezione di Napoli, Napoli, Italy
- INFN, Sezione di Roma "Tor Vergata," Roma, Italy
- INFN, Sezione di Torino, Torino, Italy
- Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo (INAF), Palermo, Italy
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- Politecnico di Milano, Dipartimento di Scienze e Tecnologie Aerospaziali, Milano, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
- Università di Catania, Dipartimento di Fisica e Astronomia "Ettore Majorana," Catania, Italy
- Università di Milano, Dipartimento di Fisica, Milano, Italy
- Università di Napoli "Federico II," Dipartimento di Fisica "Ettore Pancini," Napoli, Italy
- Università di Palermo, Dipartimento di Fisica e Chimica "E. Segrè," Palermo, Italy
- Università di Roma "Tor Vergata," Dipartimento di Fisica, Roma, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
- Benemérita Universidad Autónoma de Puebla, Puebla, México
- Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas del Instituto Politécnico Nacional (UPIITA-IPN), México, Distrito Federal, México
- Universidad Autónoma de Chiapas, Tuxtla Gutiérrez, Chiapas, México
- Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Michoacán, México
- Universidad Nacional Autónoma de México, México, Distrito Federal, México
- Universidad Nacional de San Agustin de Arequipa, Facultad de Ciencias Naturales y Formales, Arequipa, Peru
- Institute of Nuclear Physics PAN, Krakow, Poland
- University of Łódź, Faculty of High-Energy Astrophysics,Łódź, Poland
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
- Institute of Space Science, Bucharest-Magurele, Romania
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
- Universidad de Granada and C.A.F.P.E., Granada, Spain
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
- Stichting Astronomisch Onderzoek in Nederland (ASTRON), Dwingeloo, The Netherlands
- Universiteit van Amsterdam, Faculty of Science, Amsterdam, The Netherlands
- Case Western Reserve University, Cleveland, Ohio, USA
- Colorado School of Mines, Golden, Colorado, USA
- Department of Physics and Astronomy, Lehman College, City University of New York, Bronx, New York, USA
- Michigan Technological University, Houghton, Michigan, USA
- New York University, New York, New York, USA
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
- University of Delaware, Department of Physics and Astronomy, Bartol Research Institute, Newark, Delaware, USA
- University of Wisconsin-Madison, Department of Physics and WIPAC, Madison, Wisconsin, USA
| | - G Medina-Tanco
- Universidad Nacional Autónoma de México, México, Distrito Federal, México
| | - J Meinert
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - D Melo
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - A Menshikov
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | - C Merx
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - S Michal
- Palacky University, Olomouc, Czech Republic
| | - M I Micheletti
- Instituto de Física de Rosario (IFIR)-CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina
| | - L Miramonti
- INFN, Sezione di Milano, Milano, Italy
- Università di Milano, Dipartimento di Fisica, Milano, Italy
| | - S Mollerach
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - F Montanet
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
| | - L Morejon
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - C Morello
- INFN, Sezione di Torino, Torino, Italy
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
| | - K Mulrey
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - R Mussa
- INFN, Sezione di Torino, Torino, Italy
| | - W M Namasaka
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - S Negi
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - L Nellen
- Universidad Nacional Autónoma de México, México, Distrito Federal, México
| | - K Nguyen
- Michigan Technological University, Houghton, Michigan, USA
| | - G Nicora
- Laboratorio Atmósfera-Departamento de Investigaciones en Láseres y sus Aplicaciones-UNIDEF (CITEDEF-CONICET), Argentina
| | - M Niechciol
- Universität Siegen, Department Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - D Nitz
- Michigan Technological University, Houghton, Michigan, USA
| | - D Nosek
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
| | - V Novotny
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
| | - L Nožka
- Palacky University, Olomouc, Czech Republic
| | - A Nucita
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
| | - L A Núñez
- Universidad Industrial de Santander, Bucaramanga, Colombia
| | - C Oliveira
- Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, São Paulo, Brazil
| | - M Palatka
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - J Pallotta
- Laboratorio Atmósfera-Departamento de Investigaciones en Láseres y sus Aplicaciones-UNIDEF (CITEDEF-CONICET), Argentina
| | - S Panja
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - G Parente
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - T Paulsen
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - J Pawlowsky
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - M Pech
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - J Pękala
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - R Pelayo
- Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas del Instituto Politécnico Nacional (UPIITA-IPN), México, Distrito Federal, México
| | - L A S Pereira
- Universidade Federal de Campina Grande, Centro de Ciencias e Tecnologia, Campina Grande, Brazil
| | - E E Pereira Martins
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
| | - J Perez Armand
- Universidade de São Paulo, Instituto de Física, São Paulo, São Paulo, Brazil
| | - C Pérez Bertolli
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - L Perrone
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
| | - S Petrera
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | - C Petrucci
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
| | - T Pierog
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - M Pimenta
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - M Platino
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - B Pont
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
| | - M Pothast
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - M Pourmohammad Shahvar
- INFN, Sezione di Catania, Catania, Italy
- Università di Palermo, Dipartimento di Fisica e Chimica "E. Segrè," Palermo, Italy
| | - P Privitera
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
| | - M Prouza
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - A Puyleart
- Michigan Technological University, Houghton, Michigan, USA
| | - S Querchfeld
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - J Rautenberg
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - D Ravignani
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | | | - M Reininghaus
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
| | - J Ridky
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - F Riehn
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - M Risse
- Universität Siegen, Department Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - V Rizi
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
| | | | - E Rodriguez
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - J Rodriguez Rojo
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - M J Roncoroni
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - S Rossoni
- Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany
| | - M Roth
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - E Roulet
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - A C Rovero
- Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Buenos Aires, Argentina
| | - P Ruehl
- Universität Siegen, Department Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - A Saftoiu
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - M Saharan
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
| | - F Salamida
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
| | - H Salazar
- Benemérita Universidad Autónoma de Puebla, Puebla, México
| | - G Salina
- INFN, Sezione di Roma "Tor Vergata," Roma, Italy
| | | | - F Sánchez
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - E M Santos
- Universidade de São Paulo, Instituto de Física, São Paulo, São Paulo, Brazil
| | - E Santos
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - F Sarazin
- Colorado School of Mines, Golden, Colorado, USA
| | - R Sarmento
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - R Sato
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - P Savina
- University of Wisconsin-Madison, Department of Physics and WIPAC, Madison, Wisconsin, USA
| | - C M Schäfer
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
| | - V Scherini
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
| | - H Schieler
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - M Schimassek
- CNRS/IN2P3, IJCLab, Université Paris-Saclay, Orsay, France
| | - M Schimp
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - D Schmidt
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - O Scholten
- Vrije Universiteit Brussels, Brussels, Belgium
| | - H Schoorlemmer
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - P Schovánek
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - F G Schröder
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
- University of Delaware, Department of Physics and Astronomy, Bartol Research Institute, Newark, Delaware, USA
| | - J Schulte
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - T Schulz
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - S J Sciutto
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - M Scornavacche
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - A Segreto
- INFN, Sezione di Catania, Catania, Italy
- Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo (INAF), Palermo, Italy
| | - S Sehgal
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - S U Shivashankara
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - G Sigl
- Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany
| | - G Silli
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - O Sima
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - K Simkova
- Vrije Universiteit Brussels, Brussels, Belgium
| | - F Simon
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | - R Smau
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - R Šmída
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
| | - P Sommers
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
- Departamento de Física and Departamento de Ciencias de la Atmósfera y los Océanos, FCEyN, Universidad de Buenos Aires and CONICET, Buenos Aires, Argentina
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
- Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Buenos Aires, Argentina
- Instituto de Física de Rosario (IFIR)-CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional-Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- International Center of Advanced Studies and Instituto de Ciencias Físicas, ECyT-UNSAM and CONICET, Campus Miguelete-San Martín, Buenos Aires, Argentina
- Laboratorio Atmósfera-Departamento de Investigaciones en Láseres y sus Aplicaciones-UNIDEF (CITEDEF-CONICET), Argentina
- Observatorio Pierre Auger, Malargüe, Argentina
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
- University of Adelaide, Adelaide, South Australia, Australia
- Université Libre de Bruxelles (ULB), Brussels, Belgium
- Vrije Universiteit Brussels, Brussels, Belgium
- Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Rio de Janeiro, Brazil
- Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Petropolis, Brazil
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Brazil
- Universidade de São Paulo, Escola de Engenharia de Lorena, Lorena, São Paulo, Brazil
- Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, São Paulo, Brazil
- Universidade de São Paulo, Instituto de Física, São Paulo, São Paulo, Brazil
- Universidade Estadual de Campinas, IFGW, Campinas, São Paulo, Brazil
- Universidade Estadual de Feira de Santana, Feira de Santana, Brazil
- Universidade Federal de Campina Grande, Centro de Ciencias e Tecnologia, Campina Grande, Brazil
- Universidade Federal do ABC, Santo André, São Paulo, Brazil
- Universidade Federal do Paraná, Setor Palotina, Palotina, Brazil
- Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal do Rio de Janeiro (UFRJ), Observatório do Valongo, Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal Fluminense, EEIMVR, Volta Redonda, Rio de Janeiro, Brazil
- Universidad de Medellín, Medellín, Colombia
- Universidad Industrial de Santander, Bucaramanga, Colombia
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
- Palacky University, Olomouc, Czech Republic
- CNRS/IN2P3, IJCLab, Université Paris-Saclay, Orsay, France
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université de Paris, CNRS-IN2P3, Paris, France
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
- Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany
- Universität Siegen, Department Physik-Experimentelle Teilchenphysik, Siegen, Germany
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- INFN, Sezione di Catania, Catania, Italy
- INFN, Sezione di Lecce, Lecce, Italy
- INFN, Sezione di Milano, Milano, Italy
- INFN, Sezione di Napoli, Napoli, Italy
- INFN, Sezione di Roma "Tor Vergata," Roma, Italy
- INFN, Sezione di Torino, Torino, Italy
- Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo (INAF), Palermo, Italy
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- Politecnico di Milano, Dipartimento di Scienze e Tecnologie Aerospaziali, Milano, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
- Università di Catania, Dipartimento di Fisica e Astronomia "Ettore Majorana," Catania, Italy
- Università di Milano, Dipartimento di Fisica, Milano, Italy
- Università di Napoli "Federico II," Dipartimento di Fisica "Ettore Pancini," Napoli, Italy
- Università di Palermo, Dipartimento di Fisica e Chimica "E. Segrè," Palermo, Italy
- Università di Roma "Tor Vergata," Dipartimento di Fisica, Roma, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
- Benemérita Universidad Autónoma de Puebla, Puebla, México
- Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas del Instituto Politécnico Nacional (UPIITA-IPN), México, Distrito Federal, México
- Universidad Autónoma de Chiapas, Tuxtla Gutiérrez, Chiapas, México
- Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Michoacán, México
- Universidad Nacional Autónoma de México, México, Distrito Federal, México
- Universidad Nacional de San Agustin de Arequipa, Facultad de Ciencias Naturales y Formales, Arequipa, Peru
- Institute of Nuclear Physics PAN, Krakow, Poland
- University of Łódź, Faculty of High-Energy Astrophysics,Łódź, Poland
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
- Institute of Space Science, Bucharest-Magurele, Romania
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
- Universidad de Granada and C.A.F.P.E., Granada, Spain
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
- Stichting Astronomisch Onderzoek in Nederland (ASTRON), Dwingeloo, The Netherlands
- Universiteit van Amsterdam, Faculty of Science, Amsterdam, The Netherlands
- Case Western Reserve University, Cleveland, Ohio, USA
- Colorado School of Mines, Golden, Colorado, USA
- Department of Physics and Astronomy, Lehman College, City University of New York, Bronx, New York, USA
- Michigan Technological University, Houghton, Michigan, USA
- New York University, New York, New York, USA
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
- University of Delaware, Department of Physics and Astronomy, Bartol Research Institute, Newark, Delaware, USA
- University of Wisconsin-Madison, Department of Physics and WIPAC, Madison, Wisconsin, USA
| | - J F Soriano
- Department of Physics and Astronomy, Lehman College, City University of New York, Bronx, New York, USA
| | - R Squartini
- Observatorio Pierre Auger, Malargüe, Argentina
| | - M Stadelmaier
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
- INFN, Sezione di Milano, Milano, Italy
- Università di Milano, Dipartimento di Fisica, Milano, Italy
| | - S Stanič
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - J Stasielak
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - P Stassi
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
| | - S Strähnz
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
| | - M Straub
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - T Suomijärvi
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
| | - A D Supanitsky
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - Z Svozilikova
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - Z Szadkowski
- University of Łódź, Faculty of High-Energy Astrophysics,Łódź, Poland
| | - F Tairli
- University of Adelaide, Adelaide, South Australia, Australia
| | - A Tapia
- Universidad de Medellín, Medellín, Colombia
| | - C Taricco
- INFN, Sezione di Torino, Torino, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
| | - C Timmermans
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - O Tkachenko
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - P Tobiska
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - C J Todero Peixoto
- Universidade de São Paulo, Escola de Engenharia de Lorena, Lorena, São Paulo, Brazil
| | - B Tomé
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - Z Torrès
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
| | - A Travaini
- Observatorio Pierre Auger, Malargüe, Argentina
| | - P Travnicek
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - C Trimarelli
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
| | - M Tueros
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - M Unger
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - L Vaclavek
- Palacky University, Olomouc, Czech Republic
| | - M Vacula
- Palacky University, Olomouc, Czech Republic
| | - J F Valdés Galicia
- Universidad Nacional Autónoma de México, México, Distrito Federal, México
| | - L Valore
- INFN, Sezione di Napoli, Napoli, Italy
- Università di Napoli "Federico II," Dipartimento di Fisica "Ettore Pancini," Napoli, Italy
| | - E Varela
- Benemérita Universidad Autónoma de Puebla, Puebla, México
| | | | - D Veberič
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - C Ventura
- Universidade Federal do Rio de Janeiro (UFRJ), Observatório do Valongo, Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - V Verzi
- INFN, Sezione di Roma "Tor Vergata," Roma, Italy
| | - J Vicha
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - J Vink
- Universiteit van Amsterdam, Faculty of Science, Amsterdam, The Netherlands
| | - S Vorobiov
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - C Watanabe
- Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, Rio de Janeiro, Brazil
| | - A A Watson
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
- Departamento de Física and Departamento de Ciencias de la Atmósfera y los Océanos, FCEyN, Universidad de Buenos Aires and CONICET, Buenos Aires, Argentina
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
- Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Buenos Aires, Argentina
- Instituto de Física de Rosario (IFIR)-CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional-Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- International Center of Advanced Studies and Instituto de Ciencias Físicas, ECyT-UNSAM and CONICET, Campus Miguelete-San Martín, Buenos Aires, Argentina
- Laboratorio Atmósfera-Departamento de Investigaciones en Láseres y sus Aplicaciones-UNIDEF (CITEDEF-CONICET), Argentina
- Observatorio Pierre Auger, Malargüe, Argentina
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
- University of Adelaide, Adelaide, South Australia, Australia
- Université Libre de Bruxelles (ULB), Brussels, Belgium
- Vrije Universiteit Brussels, Brussels, Belgium
- Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Rio de Janeiro, Brazil
- Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Petropolis, Brazil
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Brazil
- Universidade de São Paulo, Escola de Engenharia de Lorena, Lorena, São Paulo, Brazil
- Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, São Paulo, Brazil
- Universidade de São Paulo, Instituto de Física, São Paulo, São Paulo, Brazil
- Universidade Estadual de Campinas, IFGW, Campinas, São Paulo, Brazil
- Universidade Estadual de Feira de Santana, Feira de Santana, Brazil
- Universidade Federal de Campina Grande, Centro de Ciencias e Tecnologia, Campina Grande, Brazil
- Universidade Federal do ABC, Santo André, São Paulo, Brazil
- Universidade Federal do Paraná, Setor Palotina, Palotina, Brazil
- Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal do Rio de Janeiro (UFRJ), Observatório do Valongo, Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal Fluminense, EEIMVR, Volta Redonda, Rio de Janeiro, Brazil
- Universidad de Medellín, Medellín, Colombia
- Universidad Industrial de Santander, Bucaramanga, Colombia
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
- Palacky University, Olomouc, Czech Republic
- CNRS/IN2P3, IJCLab, Université Paris-Saclay, Orsay, France
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université de Paris, CNRS-IN2P3, Paris, France
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
- Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany
- Universität Siegen, Department Physik-Experimentelle Teilchenphysik, Siegen, Germany
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- INFN, Sezione di Catania, Catania, Italy
- INFN, Sezione di Lecce, Lecce, Italy
- INFN, Sezione di Milano, Milano, Italy
- INFN, Sezione di Napoli, Napoli, Italy
- INFN, Sezione di Roma "Tor Vergata," Roma, Italy
- INFN, Sezione di Torino, Torino, Italy
- Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo (INAF), Palermo, Italy
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- Politecnico di Milano, Dipartimento di Scienze e Tecnologie Aerospaziali, Milano, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
- Università di Catania, Dipartimento di Fisica e Astronomia "Ettore Majorana," Catania, Italy
- Università di Milano, Dipartimento di Fisica, Milano, Italy
- Università di Napoli "Federico II," Dipartimento di Fisica "Ettore Pancini," Napoli, Italy
- Università di Palermo, Dipartimento di Fisica e Chimica "E. Segrè," Palermo, Italy
- Università di Roma "Tor Vergata," Dipartimento di Fisica, Roma, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
- Benemérita Universidad Autónoma de Puebla, Puebla, México
- Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas del Instituto Politécnico Nacional (UPIITA-IPN), México, Distrito Federal, México
- Universidad Autónoma de Chiapas, Tuxtla Gutiérrez, Chiapas, México
- Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Michoacán, México
- Universidad Nacional Autónoma de México, México, Distrito Federal, México
- Universidad Nacional de San Agustin de Arequipa, Facultad de Ciencias Naturales y Formales, Arequipa, Peru
- Institute of Nuclear Physics PAN, Krakow, Poland
- University of Łódź, Faculty of High-Energy Astrophysics,Łódź, Poland
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
- Institute of Space Science, Bucharest-Magurele, Romania
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
- Universidad de Granada and C.A.F.P.E., Granada, Spain
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
- Stichting Astronomisch Onderzoek in Nederland (ASTRON), Dwingeloo, The Netherlands
- Universiteit van Amsterdam, Faculty of Science, Amsterdam, The Netherlands
- Case Western Reserve University, Cleveland, Ohio, USA
- Colorado School of Mines, Golden, Colorado, USA
- Department of Physics and Astronomy, Lehman College, City University of New York, Bronx, New York, USA
- Michigan Technological University, Houghton, Michigan, USA
- New York University, New York, New York, USA
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
- University of Delaware, Department of Physics and Astronomy, Bartol Research Institute, Newark, Delaware, USA
- University of Wisconsin-Madison, Department of Physics and WIPAC, Madison, Wisconsin, USA
| | - A Weindl
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - L Wiencke
- Colorado School of Mines, Golden, Colorado, USA
| | - H Wilczyński
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - D Wittkowski
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - B Wundheiler
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - B Yue
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - A Yushkov
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - O Zapparrata
- Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - E Zas
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - D Zavrtanik
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
| | - M Zavrtanik
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
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Abreu P, Aglietta M, Albury JM, Allekotte I, Almeida Cheminant K, Almela A, Aloisio R, Alvarez-Muñiz J, Alves Batista R, Ammerman Yebra J, Anastasi GA, Anchordoqui L, Andrada B, Andringa S, Aramo C, Araújo Ferreira PR, Arnone E, Arteaga Velázquez JC, Asorey H, Assis P, Avila G, Avocone E, Badescu AM, Bakalova A, Balaceanu A, Barbato F, Bellido JA, Berat C, Bertaina ME, Bhatta G, Biermann PL, Binet V, Bismark K, Bister T, Biteau J, Blazek J, Bleve C, Blümer J, Boháčová M, Boncioli D, Bonifazi C, Bonneau Arbeletche L, Borodai N, Botti AM, Brack J, Bretz T, Brichetto Orchera PG, Briechle FL, Buchholz P, Bueno A, Buitink S, Buscemi M, Büsken M, Caballero-Mora KS, Caccianiga L, Canfora F, Caracas I, Caruso R, Castellina A, Catalani F, Cataldi G, Cazon L, Cerda M, Chinellato JA, Chudoba J, Chytka L, Clay RW, Cobos Cerutti AC, Colalillo R, Coleman A, Coluccia MR, Conceição R, Condorelli A, Consolati G, Contreras F, Convenga F, Correia Dos Santos D, Covault CE, Dasso S, Daumiller K, Dawson BR, Day JA, de Almeida RM, de Jesús J, de Jong SJ, de Mello Neto JRT, De Mitri I, de Oliveira J, de Oliveira Franco D, de Palma F, de Souza V, De Vito E, Del Popolo A, Del Río M, Deligny O, Deval L, di Matteo A, Dobre M, Dobrigkeit C, D'Olivo JC, Domingues Mendes LM, Dos Anjos RC, Dova MT, Ebr J, Engel R, Epicoco I, Erdmann M, Escobar CO, Etchegoyen A, Falcke H, Farmer J, Farrar G, Fauth AC, Fazzini N, Feldbusch F, Fenu F, Fick B, Figueira JM, Filipčič A, Fitoussi T, Fodran T, Fujii T, Fuster A, Galea C, Galelli C, García B, Garcia Vegas AL, Gemmeke H, Gesualdi F, Gherghel-Lascu A, Ghia PL, Giaccari U, Giammarchi M, Glombitza J, Gobbi F, Gollan F, Golup G, Gómez Berisso M, Gómez Vitale PF, Gongora JP, González JM, González N, Goos I, Góra D, Gorgi A, Gottowik M, Grubb TD, Guarino F, Guedes GP, Guido E, Hahn S, Hamal P, Hampel MR, Hansen P, Harari D, Harvey VM, Haungs A, Hebbeker T, Heck D, Hill GC, Hojvat C, Hörandel JR, Horvath P, Hrabovský M, Huege T, Insolia A, Isar PG, Janecek P, Johnsen JA, Jurysek J, Kääpä A, Kampert KH, Keilhauer B, Khakurdikar A, Kizakke Covilakam VV, Klages HO, Kleifges M, Kleinfeller J, Knapp F, Kunka N, Lago BL, Langner N, Leigui de Oliveira MA, Lenok V, Letessier-Selvon A, Lhenry-Yvon I, Lo Presti D, Lopes L, López R, Lu L, Luce Q, Lundquist JP, Machado Payeras A, Mancarella G, Mandat D, Manning BC, Manshanden J, Mantsch P, Marafico S, Mariani FM, Mariazzi AG, Mariş IC, Marsella G, Martello D, Martinelli S, Martínez Bravo O, Mastrodicasa M, Mathes HJ, Matthews J, Matthiae G, Mayotte E, Mayotte S, Mazur PO, Medina-Tanco G, Melo D, Menshikov A, Michal S, Micheletti MI, Miramonti L, Mollerach S, Montanet F, Morejon L, Morello C, Mostafá M, Müller AL, Muller MA, Mulrey K, Mussa R, Muzio M, Namasaka WM, Nasr-Esfahani A, Nellen L, Nicora G, Niculescu-Oglinzanu M, Niechciol M, Nitz D, Norwood I, Nosek D, Novotny V, Nožka L, Nucita A, Núñez LA, Oliveira C, Palatka M, Pallotta J, Papenbreer P, Parente G, Parra A, Pawlowsky J, Pech M, Pękala J, Pelayo R, Peña-Rodriguez J, Pereira Martins EE, Perez Armand J, Pérez Bertolli C, Perrone L, Petrera S, Petrucci C, Pierog T, Pimenta M, Pirronello V, Platino M, Pont B, Pothast M, Privitera P, Prouza M, Puyleart A, Querchfeld S, Rautenberg J, Ravignani D, Reininghaus M, Ridky J, Riehn F, Risse M, Rizi V, Rodrigues de Carvalho W, Rodriguez Rojo J, Roncoroni MJ, Rossoni S, Roth M, Roulet E, Rovero AC, Ruehl P, Saftoiu A, Saharan M, Salamida F, Salazar H, Salina G, Sanabria Gomez JD, Sánchez F, Santos EM, Santos E, Sarazin F, Sarmento R, Sarmiento-Cano C, Sato R, Savina P, Schäfer CM, Scherini V, Schieler H, Schimassek M, Schimp M, Schlüter F, Schmidt D, Scholten O, Schoorlemmer H, Schovánek P, Schröder FG, Schulte J, Schulz T, Sciutto SJ, Scornavacche M, Segreto A, Sehgal S, Shellard RC, Sigl G, Silli G, Sima O, Smau R, Šmída R, Sommers P, Soriano JF, Squartini R, Stadelmaier M, Stanca D, Stanič S, Stasielak J, Stassi P, Streich A, Suárez-Durán M, Sudholz T, Suomijärvi T, Supanitsky AD, Szadkowski Z, Tapia A, Taricco C, Timmermans C, Tkachenko O, Tobiska P, Todero Peixoto CJ, Tomé B, Torrès Z, Travaini A, Travnicek P, Trimarelli C, Tueros M, Ulrich R, Unger M, Vaclavek L, Vacula M, Valdés Galicia JF, Valore L, Varela E, Vásquez-Ramírez A, Veberič D, Ventura C, Vergara Quispe ID, Verzi V, Vicha J, Vink J, Vorobiov S, Wahlberg H, Watanabe C, Watson AA, Weindl A, Wiencke L, Wilczyński H, Wittkowski D, Wundheiler B, Yushkov A, Zapparrata O, Zas E, Zavrtanik D, Zavrtanik M, Zehrer L. Limits to Gauge Coupling in the Dark Sector Set by the Nonobservation of Instanton-Induced Decay of Super-Heavy Dark Matter in the Pierre Auger Observatory Data. Phys Rev Lett 2023; 130:061001. [PMID: 36827568 DOI: 10.1103/physrevlett.130.061001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 11/30/2022] [Accepted: 12/14/2022] [Indexed: 06/18/2023]
Abstract
Instantons, which are nonperturbative solutions to Yang-Mills equations, provide a signal for the occurrence of quantum tunneling between distinct classes of vacua. They can give rise to decays of particles otherwise forbidden. Using data collected at the Pierre Auger Observatory, we search for signatures of such instanton-induced processes that would be suggestive of super-heavy particles decaying in the Galactic halo. These particles could have been produced during the post-inflationary epoch and match the relic abundance of dark matter inferred today. The nonobservation of the signatures searched for allows us to derive a bound on the reduced coupling constant of gauge interactions in the dark sector: α_{X}≲0.09, for 10^{9}≲M_{X}/GeV<10^{19}. Conversely, we obtain that, for instance, a reduced coupling constant α_{X}=0.09 excludes masses M_{X}≳3×10^{13} GeV. In the context of dark matter production from gravitational interactions alone, we illustrate how these bounds are complementary to those obtained on the Hubble rate at the end of inflation from the nonobservation of tensor modes in the cosmological microwave background.
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Affiliation(s)
- P Abreu
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - M Aglietta
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- INFN, Sezione di Torino, Torino, Italy
| | - J M Albury
- University of Adelaide, Adelaide, S.A., Australia
| | - I Allekotte
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | | | - A Almela
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
| | - R Aloisio
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | - J Alvarez-Muñiz
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | | | - J Ammerman Yebra
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - G A Anastasi
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- INFN, Sezione di Torino, Torino, Italy
| | - L Anchordoqui
- Department of Physics and Astronomy, Lehman College, City University of New York, Bronx, New York, USA
| | - B Andrada
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - S Andringa
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - C Aramo
- INFN, Sezione di Napoli, Napoli, Italy
| | | | - E Arnone
- INFN, Sezione di Torino, Torino, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
| | | | - H Asorey
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - P Assis
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - G Avila
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - E Avocone
- Gran Sasso Science Institute, L'Aquila, Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
| | - A M Badescu
- University Politehnica of Bucharest, Bucharest, Romania
| | - A Bakalova
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - A Balaceanu
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - F Barbato
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | - J A Bellido
- University of Adelaide, Adelaide, S.A., Australia
- Universidad Nacional de San Agustin de Arequipa, Facultad de Ciencias Naturales y Formales, Arequipa, Peru
| | - C Berat
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
| | - M E Bertaina
- INFN, Sezione di Torino, Torino, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
| | - G Bhatta
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - P L Biermann
- Max-Planck-Institut für Radioastronomie, Bonn, Germany
| | - V Binet
- Instituto de Física de Rosario (IFIR)-CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina
| | - K Bismark
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
| | - T Bister
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - J Biteau
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
| | - J Blazek
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - C Bleve
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
| | - J Blümer
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - M Boháčová
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - D Boncioli
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
| | - C Bonifazi
- International Center of Advanced Studies and Instituto de Ciencias Físicas, ECyT-UNSAM and CONICET, Campus Miguelete-San Martín, Buenos Aires, Argentina
- Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, RJ, Brazil
| | | | - N Borodai
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - A M Botti
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - J Brack
- Colorado State University, Fort Collins, Colorado, USA
| | - T Bretz
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - P G Brichetto Orchera
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - F L Briechle
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - P Buchholz
- Universität Siegen, Department Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - A Bueno
- Universidad de Granada and C.A.F.P.E., Granada, Spain
| | - S Buitink
- Vrije Universiteit Brussels, Brussels, Belgium
| | - M Buscemi
- INFN, Sezione di Catania, Catania, Italy
| | - M Büsken
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
| | | | - L Caccianiga
- Università di Milano, Dipartimento di Fisica, Milano, Italy
- INFN, Sezione di Milano, Milano, Italy
| | - F Canfora
- IMAPP, Radboud University Nijmegen, Nijmegen, Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, Netherlands
| | - I Caracas
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - R Caruso
- INFN, Sezione di Catania, Catania, Italy
- Università di Catania, Dipartimento di Fisica e Astronomia "Ettore Majorana," Catania, Italy
| | - A Castellina
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- INFN, Sezione di Torino, Torino, Italy
| | - F Catalani
- Universidade de São Paulo, Escola de Engenharia de Lorena, Lorena, SP, Brazil
| | - G Cataldi
- INFN, Sezione di Lecce, Lecce, Italy
| | - L Cazon
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - M Cerda
- Observatorio Pierre Auger, Malargüe, Argentina
| | - J A Chinellato
- Universidade Estadual de Campinas, IFGW, Campinas, SP, Brazil
| | - J Chudoba
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - L Chytka
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - R W Clay
- University of Adelaide, Adelaide, S.A., Australia
| | - A C Cobos Cerutti
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional-Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina
| | - R Colalillo
- INFN, Sezione di Napoli, Napoli, Italy
- Università di Napoli "Federico II," Dipartimento di Fisica "Ettore Pancini," Napoli, Italy
| | - A Coleman
- University of Delaware, Department of Physics and Astronomy, Bartol Research Institute, Newark, Delaware, USA
| | | | - R Conceição
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - A Condorelli
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | - G Consolati
- INFN, Sezione di Milano, Milano, Italy
- Politecnico di Milano, Dipartimento di Scienze e Tecnologie Aerospaziali, Milano, Italy
| | - F Contreras
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - F Convenga
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | | | - C E Covault
- Case Western Reserve University, Cleveland, Ohio, USA
| | - S Dasso
- Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Buenos Aires, Argentina
- Departamento de Física and Departamento de Ciencias de la Atmósfera y los Océanos, FCEyN, Universidad de Buenos Aires and CONICET, Buenos Aires, Argentina
| | - K Daumiller
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - B R Dawson
- University of Adelaide, Adelaide, S.A., Australia
| | - J A Day
- University of Adelaide, Adelaide, S.A., Australia
| | - R M de Almeida
- Universidade Federal Fluminense, EEIMVR, Volta Redonda, RJ, Brazil
| | - J de Jesús
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - S J de Jong
- IMAPP, Radboud University Nijmegen, Nijmegen, Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, Netherlands
| | - J R T de Mello Neto
- Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, RJ, Brazil
- Universidade Federal do Rio de Janeiro (UFRJ), Observatório do Valongo, Rio de Janeiro, RJ, Brazil
| | - I De Mitri
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | - J de Oliveira
- Instituto Federal de Educação, Ciência e Tecnologia do Rio de Janeiro (IFRJ), Brazil
| | | | - F de Palma
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
| | - V de Souza
- Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, SP, Brazil
| | - E De Vito
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
| | - A Del Popolo
- INFN, Sezione di Catania, Catania, Italy
- Università di Catania, Dipartimento di Fisica e Astronomia "Ettore Majorana," Catania, Italy
| | - M Del Río
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - O Deligny
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
| | - L Deval
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | | | - M Dobre
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - C Dobrigkeit
- Universidade Estadual de Campinas, IFGW, Campinas, SP, Brazil
| | - J C D'Olivo
- Universidad Nacional Autónoma de México, México, D.F., México
| | - L M Domingues Mendes
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - R C Dos Anjos
- Universidade Federal do Paraná, Setor Palotina, Palotina, Brazil
| | - M T Dova
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - J Ebr
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - R Engel
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - I Epicoco
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
| | - M Erdmann
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - C O Escobar
- Fermi National Accelerator Laboratory, Fermilab, Batavia, Illinois, USA
| | - A Etchegoyen
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
| | - H Falcke
- IMAPP, Radboud University Nijmegen, Nijmegen, Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, Netherlands
- Stichting Astronomisch Onderzoek in Nederland (ASTRON), Dwingeloo, Netherlands
| | - J Farmer
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
| | - G Farrar
- New York University, New York, New York, USA
| | - A C Fauth
- Universidade Estadual de Campinas, IFGW, Campinas, SP, Brazil
| | - N Fazzini
- Fermi National Accelerator Laboratory, Fermilab, Batavia, Illinois, USA
| | - F Feldbusch
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | - F Fenu
- INFN, Sezione di Torino, Torino, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
| | - B Fick
- Michigan Technological University, Houghton, Michigan, USA
| | - J M Figueira
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - A Filipčič
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - T Fitoussi
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - T Fodran
- IMAPP, Radboud University Nijmegen, Nijmegen, Netherlands
| | - T Fujii
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
- Present address: Hakubi Center for Advanced Research and Graduate School of Science, Kyoto University, Kyoto, Japan
| | - A Fuster
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
| | - C Galea
- IMAPP, Radboud University Nijmegen, Nijmegen, Netherlands
| | - C Galelli
- Università di Milano, Dipartimento di Fisica, Milano, Italy
- INFN, Sezione di Milano, Milano, Italy
| | - B García
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional-Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina
| | - A L Garcia Vegas
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - H Gemmeke
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | - F Gesualdi
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - A Gherghel-Lascu
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - P L Ghia
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
| | - U Giaccari
- IMAPP, Radboud University Nijmegen, Nijmegen, Netherlands
| | | | - J Glombitza
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - F Gobbi
- Observatorio Pierre Auger, Malargüe, Argentina
| | - F Gollan
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - G Golup
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - M Gómez Berisso
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - P F Gómez Vitale
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - J P Gongora
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - J M González
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - N González
- Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - I Goos
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - D Góra
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - A Gorgi
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- INFN, Sezione di Torino, Torino, Italy
| | - M Gottowik
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - T D Grubb
- University of Adelaide, Adelaide, S.A., Australia
| | - F Guarino
- INFN, Sezione di Napoli, Napoli, Italy
- Università di Napoli "Federico II," Dipartimento di Fisica "Ettore Pancini," Napoli, Italy
| | - G P Guedes
- Universidade Estadual de Feira de Santana, Feira de Santana, Brazil
| | - E Guido
- INFN, Sezione di Torino, Torino, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
| | - S Hahn
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - P Hamal
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - M R Hampel
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - P Hansen
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - D Harari
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - V M Harvey
- University of Adelaide, Adelaide, S.A., Australia
| | - A Haungs
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - T Hebbeker
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - D Heck
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - G C Hill
- University of Adelaide, Adelaide, S.A., Australia
| | - C Hojvat
- Fermi National Accelerator Laboratory, Fermilab, Batavia, Illinois, USA
| | - J R Hörandel
- IMAPP, Radboud University Nijmegen, Nijmegen, Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, Netherlands
| | - P Horvath
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - M Hrabovský
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - T Huege
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
- Vrije Universiteit Brussels, Brussels, Belgium
| | - A Insolia
- INFN, Sezione di Catania, Catania, Italy
- Università di Catania, Dipartimento di Fisica e Astronomia "Ettore Majorana," Catania, Italy
| | - P G Isar
- Institute of Space Science, Bucharest-Magurele, Romania
| | - P Janecek
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - J A Johnsen
- Colorado School of Mines, Golden, Colorado, USA
| | - J Jurysek
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - A Kääpä
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - K H Kampert
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - B Keilhauer
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - A Khakurdikar
- IMAPP, Radboud University Nijmegen, Nijmegen, Netherlands
| | - V V Kizakke Covilakam
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - H O Klages
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - M Kleifges
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | | | - F Knapp
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
| | - N Kunka
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | - B L Lago
- Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Nova Friburgo, Brazil
| | - N Langner
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | | | - V Lenok
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - A Letessier-Selvon
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université de Paris, CNRS-IN2P3, Paris, France
| | - I Lhenry-Yvon
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
| | - D Lo Presti
- INFN, Sezione di Catania, Catania, Italy
- Università di Catania, Dipartimento di Fisica e Astronomia "Ettore Majorana," Catania, Italy
| | - L Lopes
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - R López
- Benemérita Universidad Autónoma de Puebla, Puebla, México
| | - L Lu
- University of Wisconsin-Madison, Department of Physics and WIPAC, Madison, Wisconsin, USA
| | - Q Luce
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
| | - J P Lundquist
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | | | - G Mancarella
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
| | - D Mandat
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - B C Manning
- University of Adelaide, Adelaide, S.A., Australia
| | - J Manshanden
- Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany
| | - P Mantsch
- Fermi National Accelerator Laboratory, Fermilab, Batavia, Illinois, USA
| | - S Marafico
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
| | - F M Mariani
- Università di Milano, Dipartimento di Fisica, Milano, Italy
- INFN, Sezione di Milano, Milano, Italy
| | - A G Mariazzi
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - I C Mariş
- Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - G Marsella
- INFN, Sezione di Catania, Catania, Italy
- Università di Palermo, Dipartimento di Fisica e Chimica "E. Segrè," Palermo, Italy
| | - D Martello
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
| | - S Martinelli
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | | | - M Mastrodicasa
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
| | - H J Mathes
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - J Matthews
- Louisiana State University, Baton Rouge, Louisiana, USA
| | - G Matthiae
- Università di Roma "Tor Vergata," Dipartimento di Fisica, Roma, Italy
- INFN, Sezione di Roma "Tor Vergata," Roma, Italy
| | - E Mayotte
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
- Colorado School of Mines, Golden, Colorado, USA
| | - S Mayotte
- Colorado School of Mines, Golden, Colorado, USA
| | - P O Mazur
- Fermi National Accelerator Laboratory, Fermilab, Batavia, Illinois, USA
| | - G Medina-Tanco
- Universidad Nacional Autónoma de México, México, D.F., México
| | - D Melo
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - A Menshikov
- Karlsruhe Institute of Technology (KIT), Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | - S Michal
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - M I Micheletti
- Instituto de Física de Rosario (IFIR)-CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina
| | - L Miramonti
- Università di Milano, Dipartimento di Fisica, Milano, Italy
- INFN, Sezione di Milano, Milano, Italy
| | - S Mollerach
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - F Montanet
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
| | - L Morejon
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - C Morello
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- INFN, Sezione di Torino, Torino, Italy
| | - M Mostafá
- Pennsylvania State University, University Park, Pennsylvania, USA
| | - A L Müller
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - M A Muller
- Universidade Estadual de Campinas, IFGW, Campinas, SP, Brazil
| | - K Mulrey
- IMAPP, Radboud University Nijmegen, Nijmegen, Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, Netherlands
| | - R Mussa
- INFN, Sezione di Torino, Torino, Italy
| | - M Muzio
- New York University, New York, New York, USA
| | - W M Namasaka
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - A Nasr-Esfahani
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - L Nellen
- Universidad Nacional Autónoma de México, México, D.F., México
| | - G Nicora
- Centro de Investigaciones en Láseres y Aplicaciones, CITEDEF and CONICET, Villa Martelli, Argentina
| | - M Niculescu-Oglinzanu
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - M Niechciol
- Universität Siegen, Department Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - D Nitz
- Michigan Technological University, Houghton, Michigan, USA
| | - I Norwood
- Michigan Technological University, Houghton, Michigan, USA
| | - D Nosek
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
| | - V Novotny
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
| | - L Nožka
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - A Nucita
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
| | - L A Núñez
- Universidad Industrial de Santander, Bucaramanga, Colombia
| | - C Oliveira
- Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, SP, Brazil
| | - M Palatka
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - J Pallotta
- Centro de Investigaciones en Láseres y Aplicaciones, CITEDEF and CONICET, Villa Martelli, Argentina
| | - P Papenbreer
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - G Parente
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - A Parra
- Benemérita Universidad Autónoma de Puebla, Puebla, México
| | - J Pawlowsky
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - M Pech
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - J Pękala
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - R Pelayo
- Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas del Instituto Politécnico Nacional (UPIITA-IPN), México, D.F., México
| | | | - E E Pereira Martins
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
| | - J Perez Armand
- Universidade de São Paulo, Instituto de Física, São Paulo, SP, Brazil
| | - C Pérez Bertolli
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - L Perrone
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
| | - S Petrera
- Gran Sasso Science Institute, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | - C Petrucci
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
| | - T Pierog
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - M Pimenta
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - V Pirronello
- INFN, Sezione di Catania, Catania, Italy
- Università di Catania, Dipartimento di Fisica e Astronomia "Ettore Majorana," Catania, Italy
| | - M Platino
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - B Pont
- IMAPP, Radboud University Nijmegen, Nijmegen, Netherlands
| | - M Pothast
- IMAPP, Radboud University Nijmegen, Nijmegen, Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, Netherlands
| | - P Privitera
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
| | - M Prouza
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - A Puyleart
- Michigan Technological University, Houghton, Michigan, USA
| | - S Querchfeld
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - J Rautenberg
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - D Ravignani
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - M Reininghaus
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - J Ridky
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - F Riehn
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - M Risse
- Universität Siegen, Department Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - V Rizi
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
| | | | - J Rodriguez Rojo
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - M J Roncoroni
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - S Rossoni
- Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany
| | - M Roth
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - E Roulet
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - A C Rovero
- Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Buenos Aires, Argentina
| | - P Ruehl
- Universität Siegen, Department Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - A Saftoiu
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - M Saharan
- IMAPP, Radboud University Nijmegen, Nijmegen, Netherlands
| | - F Salamida
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
| | - H Salazar
- Benemérita Universidad Autónoma de Puebla, Puebla, México
| | - G Salina
- INFN, Sezione di Roma "Tor Vergata," Roma, Italy
| | | | - F Sánchez
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - E M Santos
- Universidade de São Paulo, Instituto de Física, São Paulo, SP, Brazil
| | - E Santos
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - F Sarazin
- Colorado School of Mines, Golden, Colorado, USA
| | - R Sarmento
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - C Sarmiento-Cano
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - R Sato
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - P Savina
- University of Wisconsin-Madison, Department of Physics and WIPAC, Madison, Wisconsin, USA
| | - C M Schäfer
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - V Scherini
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi," Lecce, Italy
| | - H Schieler
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - M Schimassek
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
| | - M Schimp
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - F Schlüter
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - D Schmidt
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
| | - O Scholten
- Vrije Universiteit Brussels, Brussels, Belgium
| | - H Schoorlemmer
- IMAPP, Radboud University Nijmegen, Nijmegen, Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, Netherlands
| | - P Schovánek
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - F G Schröder
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
- University of Delaware, Department of Physics and Astronomy, Bartol Research Institute, Newark, Delaware, USA
| | - J Schulte
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - T Schulz
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - S J Sciutto
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - M Scornavacche
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - A Segreto
- INFN, Sezione di Catania, Catania, Italy
- Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo (INAF), Palermo, Italy
| | - S Sehgal
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - R C Shellard
- Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, RJ, Brazil
| | - G Sigl
- Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany
| | - G Silli
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - O Sima
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
- Also at University of Bucharest, Physics Department, Bucharest, Romania
| | - R Smau
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - R Šmída
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
| | - P Sommers
- Pennsylvania State University, University Park, Pennsylvania, USA
| | - J F Soriano
- Department of Physics and Astronomy, Lehman College, City University of New York, Bronx, New York, USA
| | - R Squartini
- Observatorio Pierre Auger, Malargüe, Argentina
| | - M Stadelmaier
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - D Stanca
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - S Stanič
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - J Stasielak
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - P Stassi
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
| | - A Streich
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology (KIT), Institute for Experimental Particle Physics, Karlsruhe, Germany
| | | | - T Sudholz
- University of Adelaide, Adelaide, S.A., Australia
| | - T Suomijärvi
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
| | - A D Supanitsky
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - Z Szadkowski
- University of Łódź, Faculty of High-Energy Astrophysics, Łódź, Poland
| | - A Tapia
- Universidad de Medellín, Medellín, Colombia
| | - C Taricco
- INFN, Sezione di Torino, Torino, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
| | - C Timmermans
- IMAPP, Radboud University Nijmegen, Nijmegen, Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, Netherlands
| | - O Tkachenko
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - P Tobiska
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - C J Todero Peixoto
- Universidade de São Paulo, Escola de Engenharia de Lorena, Lorena, SP, Brazil
| | - B Tomé
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - Z Torrès
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
| | - A Travaini
- Observatorio Pierre Auger, Malargüe, Argentina
| | - P Travnicek
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - C Trimarelli
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
| | - M Tueros
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - R Ulrich
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - M Unger
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - L Vaclavek
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - M Vacula
- Palacky University, RCPTM, Olomouc, Czech Republic
| | | | - L Valore
- INFN, Sezione di Napoli, Napoli, Italy
- Università di Napoli "Federico II," Dipartimento di Fisica "Ettore Pancini," Napoli, Italy
| | - E Varela
- Benemérita Universidad Autónoma de Puebla, Puebla, México
| | | | - D Veberič
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - C Ventura
- Universidade Federal do Rio de Janeiro (UFRJ), Observatório do Valongo, Rio de Janeiro, RJ, Brazil
| | | | - V Verzi
- INFN, Sezione di Roma "Tor Vergata," Roma, Italy
| | - J Vicha
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - J Vink
- Universiteit van Amsterdam, Faculty of Science, Amsterdam, Netherlands
| | - S Vorobiov
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - H Wahlberg
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - C Watanabe
- Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, RJ, Brazil
| | - A A Watson
- School of Physics and Astronomy, University of Leeds, Leeds, United Kingdom
| | - A Weindl
- Karlsruhe Institute of Technology (KIT), Institute for Astroparticle Physics, Karlsruhe, Germany
| | - L Wiencke
- Colorado School of Mines, Golden, Colorado, USA
| | - H Wilczyński
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - D Wittkowski
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - B Wundheiler
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - A Yushkov
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - O Zapparrata
- Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - E Zas
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - D Zavrtanik
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - M Zavrtanik
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - L Zehrer
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
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Aab A, Abreu P, Aglietta M, Albury JM, Allekotte I, Almela A, Alvarez-Muñiz J, Alves Batista R, Anastasi GA, Anchordoqui L, Andrada B, Andringa S, Aramo C, Araújo Ferreira PR, Asorey H, Assis P, Avila G, Badescu AM, Bakalova A, Balaceanu A, Barbato F, Barreira Luz RJ, Becker KH, Bellido JA, Berat C, Bertaina ME, Bertou X, Biermann PL, Bister T, Biteau J, Blazek J, Bleve C, Boháčová M, Boncioli D, Bonifazi C, Bonneau Arbeletche L, Borodai N, Botti AM, Brack J, Bretz T, Briechle FL, Buchholz P, Bueno A, Buitink S, Buscemi M, Caballero-Mora KS, Caccianiga L, Cancio A, Canfora F, Caracas I, Carceller JM, Caruso R, Castellina A, Catalani F, Cataldi G, Cazon L, Cerda M, Chinellato JA, Choi K, Chudoba J, Chytka L, Clay RW, Cobos Cerutti AC, Colalillo R, Coleman A, Coluccia MR, Conceição R, Condorelli A, Consolati G, Contreras F, Convenga F, Covault CE, Dasso S, Daumiller K, Dawson BR, Day JA, de Almeida RM, de Jesús J, de Jong SJ, De Mauro G, de Mello Neto JRT, De Mitri I, de Oliveira J, de Oliveira Franco D, de Souza V, De Vito E, Debatin J, Del Río M, Deligny O, Dembinski H, Dhital N, Di Matteo A, Dobrigkeit C, D'Olivo JC, Dos Anjos RC, Dova MT, Ebr J, Engel R, Epicoco I, Erdmann M, Escobar CO, Etchegoyen A, Falcke H, Farmer J, Farrar G, Fauth AC, Fazzini N, Feldbusch F, Fenu F, Fick B, Figueira JM, Filipčič A, Fodran T, Freire MM, Fujii T, Fuster A, Galea C, Galelli C, García B, Garcia Vegas AL, Gemmeke H, Gesualdi F, Gherghel-Lascu A, Ghia PL, Giaccari U, Giammarchi M, Giller M, Glombitza J, Gobbi F, Gollan F, Golup G, Gómez Berisso M, Gómez Vitale PF, Gongora JP, González N, Goos I, Góra D, Gorgi A, Gottowik M, Grubb TD, Guarino F, Guedes GP, Guido E, Hahn S, Halliday R, Hampel MR, Hansen P, Harari D, Harvey VM, Haungs A, Hebbeker T, Heck D, Hill GC, Hojvat C, Hörandel JR, Horvath P, Hrabovský M, Huege T, Hulsman J, Insolia A, Isar PG, Johnsen JA, Jurysek J, Kääpä A, Kampert KH, Keilhauer B, Kemp J, Klages HO, Kleifges M, Kleinfeller J, Köpke M, Kukec Mezek G, Lago BL, LaHurd D, Lang RG, Langner N, Leigui de Oliveira MA, Lenok V, Letessier-Selvon A, Lhenry-Yvon I, Lo Presti D, Lopes L, López R, Lorek R, Luce Q, Lucero A, Lundquist JP, Machado Payeras A, Mancarella G, Mandat D, Manning BC, Manshanden J, Mantsch P, Marafico S, Mariazzi AG, Mariş IC, Marsella G, Martello D, Martinez H, Martínez Bravo O, Mastrodicasa M, Mathes HJ, Matthews J, Matthiae G, Mayotte E, Mazur PO, Medina-Tanco G, Melo D, Menshikov A, Merenda KD, Michal S, Micheletti MI, Miramonti L, Mollerach S, Montanet F, Morello C, Mostafá M, Müller AL, Muller MA, Mulrey K, Mussa R, Muzio M, Namasaka WM, Nellen L, Niculescu-Oglinzanu M, Niechciol M, Nitz D, Nosek D, Novotny V, Nožka L, Nucita A, Núñez LA, Palatka M, Pallotta J, Papenbreer P, Parente G, Parra A, Pech M, Pedreira F, Pȩkala J, Pelayo R, Peña-Rodriguez J, Perez Armand J, Perlin M, Perrone L, Petrera S, Pierog T, Pimenta M, Pirronello V, Platino M, Pont B, Pothast M, Privitera P, Prouza M, Puyleart A, Querchfeld S, Rautenberg J, Ravignani D, Reininghaus M, Ridky J, Riehn F, Risse M, Ristori P, Rizi V, Rodrigues de Carvalho W, Rodriguez Rojo J, Roncoroni MJ, Roth M, Roulet E, Rovero AC, Ruehl P, Saffi SJ, Saftoiu A, Salamida F, Salazar H, Salina G, Sanabria Gomez JD, Sánchez F, Santos EM, Santos E, Sarazin F, Sarmento R, Sarmiento-Cano C, Sato R, Savina P, Schäfer CM, Scherini V, Schieler H, Schimassek M, Schimp M, Schlüter F, Schmidt D, Scholten O, Schovánek P, Schröder FG, Schröder S, Schulte J, Sciutto SJ, Scornavacche M, Shellard RC, Sigl G, Silli G, Sima O, Šmída R, Sommers P, Soriano JF, Souchard J, Squartini R, Stadelmaier M, Stanca D, Stanič S, Stasielak J, Stassi P, Streich A, Suárez-Durán M, Sudholz T, Suomijärvi T, Supanitsky AD, Šupík J, Szadkowski Z, Taboada A, Tapia A, Timmermans C, Tkachenko O, Tobiska P, Todero Peixoto CJ, Tomé B, Torralba Elipe G, Travaini A, Travnicek P, Trimarelli C, Trini M, Tueros M, Ulrich R, Unger M, Vaclavek L, Vacula M, Valdés Galicia JF, Valiño I, Valore L, Varela E, Varma K C V, Vásquez-Ramírez A, Veberič D, Ventura C, Vergara Quispe ID, Verzi V, Vicha J, Vink J, Vorobiov S, Wahlberg H, Watson AA, Weber M, Weindl A, Wiencke L, Wilczyński H, Winchen T, Wirtz M, Wittkowski D, Wundheiler B, Yushkov A, Zapparrata O, Zas E, Zavrtanik D, Zavrtanik M, Zehrer L, Zepeda A. Measurement of the Fluctuations in the Number of Muons in Extensive Air Showers with the Pierre Auger Observatory. Phys Rev Lett 2021; 126:152002. [PMID: 33929235 DOI: 10.1103/physrevlett.126.152002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 01/28/2021] [Accepted: 02/12/2021] [Indexed: 06/12/2023]
Abstract
We present the first measurement of the fluctuations in the number of muons in extensive air showers produced by ultrahigh energy cosmic rays. We find that the measured fluctuations are in good agreement with predictions from air shower simulations. This observation provides new insights into the origin of the previously reported deficit of muons in air shower simulations and constrains models of hadronic interactions at ultrahigh energies. Our measurement is compatible with the muon deficit originating from small deviations in the predictions from hadronic interaction models of particle production that accumulate as the showers develop.
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Affiliation(s)
- A Aab
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
| | - P Abreu
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - M Aglietta
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- INFN, Sezione di Torino, Torino, Italy
| | - J M Albury
- University of Adelaide, Adelaide, South Australia, Australia
| | - I Allekotte
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - A Almela
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
| | - J Alvarez-Muñiz
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - R Alves Batista
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
| | - G A Anastasi
- INFN, Sezione di Torino, Torino, Italy
- Dipartimento di Fisica, Università Torino, Torino, Italy
| | - L Anchordoqui
- Department of Physics and Astronomy, Lehman College, City University of New York, Bronx, New York, USA
| | - B Andrada
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - S Andringa
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - C Aramo
- INFN, Sezione di Napoli, Napoli, Italy
| | | | - H Asorey
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - P Assis
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - G Avila
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - A M Badescu
- University Politehnica of Bucharest, Bucharest, Romania
| | - A Bakalova
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - A Balaceanu
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - F Barbato
- INFN, Sezione di Napoli, Napoli, Italy
- Dipartimento di Fisica "Ettore Pancini," Università di Napoli "Federico II," Napoli, Italy
| | - R J Barreira Luz
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - K H Becker
- Department of Physics, Bergische Universität Wuppertal, Wuppertal, Germany
| | - J A Bellido
- University of Adelaide, Adelaide, South Australia, Australia
| | - C Berat
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
| | - M E Bertaina
- INFN, Sezione di Torino, Torino, Italy
- Dipartimento di Fisica, Università Torino, Torino, Italy
| | - X Bertou
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - P L Biermann
- Max-Planck-Institut für Radioastronomie, Bonn, Germany
| | - T Bister
- III. Physikalisches Institut A, RWTH Aachen University, Aachen, Germany
| | - J Biteau
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
| | - J Blazek
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - C Bleve
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
| | - M Boháčová
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - D Boncioli
- Dipartimento di Scienze Fisiche e Chimiche, Università dell'Aquila, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | - C Bonifazi
- Instituto de Física, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - N Borodai
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - A M Botti
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - J Brack
- Colorado State University, Fort Collins, Colorado, USA
| | - T Bretz
- III. Physikalisches Institut A, RWTH Aachen University, Aachen, Germany
| | - F L Briechle
- III. Physikalisches Institut A, RWTH Aachen University, Aachen, Germany
| | - P Buchholz
- Universität Siegen, Fachbereich 7 Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - A Bueno
- Universidad de Granada and C.A.F.P.E., Granada, Spain
| | - S Buitink
- Vrije Universiteit Brussels, Brussels, Belgium
| | - M Buscemi
- Dipartimento di Fisica e Astronomia, Università di Catania, Catania, Italy
- INFN, Sezione di Catania, Catania, Italy
| | | | - L Caccianiga
- Dipartimento di Fisica, Università di Milano, Milano, Italy
- INFN, Sezione di Milano, Milano, Italy
| | - A Cancio
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
| | - F Canfora
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - I Caracas
- Department of Physics, Bergische Universität Wuppertal, Wuppertal, Germany
| | - J M Carceller
- Universidad de Granada and C.A.F.P.E., Granada, Spain
| | - R Caruso
- Dipartimento di Fisica e Astronomia, Università di Catania, Catania, Italy
- INFN, Sezione di Catania, Catania, Italy
| | - A Castellina
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- INFN, Sezione di Torino, Torino, Italy
| | - F Catalani
- Universidade de São Paulo, Escola de Engenharia de Lorena, Lorena, São Paulo, Brazil
| | - G Cataldi
- INFN, Sezione di Lecce, Lecce, Italy
| | - L Cazon
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - M Cerda
- Observatorio Pierre Auger, Malargüe, Argentina
| | - J A Chinellato
- Universidade Estadual de Campinas, IFGW, Campinas, São Paulo, Brazil
| | - K Choi
- Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - J Chudoba
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - L Chytka
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - R W Clay
- University of Adelaide, Adelaide, South Australia, Australia
| | - A C Cobos Cerutti
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional-Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina
| | - R Colalillo
- INFN, Sezione di Napoli, Napoli, Italy
- Dipartimento di Fisica "Ettore Pancini," Università di Napoli "Federico II," Napoli, Italy
| | - A Coleman
- Department of Physics and Astronomy, Bartol Research Institute, University of Delaware, Newark, Delaware, USA
| | - M R Coluccia
- INFN, Sezione di Lecce, Lecce, Italy
- Dipartimento di Matematica e Fisica "E. De Giorgi," Università del Salento, Lecce, Italy
| | - R Conceição
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - A Condorelli
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Gran Sasso Science Institute, L'Aquila, Italy
| | - G Consolati
- INFN, Sezione di Milano, Milano, Italy
- Dipartimento di Scienze e Tecnologie Aerospaziali, Politecnico di Milano, Milano, Italy
| | - F Contreras
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - F Convenga
- INFN, Sezione di Lecce, Lecce, Italy
- Dipartimento di Matematica e Fisica "E. De Giorgi," Università del Salento, Lecce, Italy
| | - C E Covault
- Case Western Reserve University, Cleveland, Ohio, USA
| | - S Dasso
- Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Buenos Aires, Argentina
- Departamento de Física and Departamento de Ciencias de la Atmósfera y los Océanos, FCEyN, Universidad de Buenos Aires and CONICET, Buenos Aires, Argentina
| | - K Daumiller
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - B R Dawson
- University of Adelaide, Adelaide, South Australia, Australia
| | - J A Day
- University of Adelaide, Adelaide, South Australia, Australia
| | - R M de Almeida
- Universidade Federal Fluminense, EEIMVR, Volta Redonda, Rio de Janeiro, Brazil
| | - J de Jesús
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - S J de Jong
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - G De Mauro
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - J R T de Mello Neto
- Instituto de Física, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Federal do Rio de Janeiro (UFRJ), Observatório do Valongo, Rio de Janeiro, Brazil
| | - I De Mitri
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Gran Sasso Science Institute, L'Aquila, Italy
| | - J de Oliveira
- Universidade Federal Fluminense, EEIMVR, Volta Redonda, Rio de Janeiro, Brazil
| | | | - V de Souza
- Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, São Paulo, Brazil
| | - E De Vito
- INFN, Sezione di Lecce, Lecce, Italy
- Dipartimento di Matematica e Fisica "E. De Giorgi," Università del Salento, Lecce, Italy
| | - J Debatin
- Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany
| | - M Del Río
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - O Deligny
- CNRS/IN2P3, IJCLab, Université Paris-Saclay, Orsay, France
| | - H Dembinski
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - N Dhital
- Institute of Nuclear Physics PAN, Krakow, Poland
| | | | - C Dobrigkeit
- Universidade Estadual de Campinas, IFGW, Campinas, São Paulo, Brazil
| | - J C D'Olivo
- Universidad Nacional Autónoma de México, México, Distrito Federal, México
| | - R C Dos Anjos
- Universidade Federal do Paraná, Setor Palotina, Palotina, Brazil
| | - M T Dova
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - J Ebr
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - R Engel
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
- Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany
| | - I Epicoco
- INFN, Sezione di Lecce, Lecce, Italy
- Dipartimento di Matematica e Fisica "E. De Giorgi," Università del Salento, Lecce, Italy
| | - M Erdmann
- III. Physikalisches Institut A, RWTH Aachen University, Aachen, Germany
| | - C O Escobar
- Fermi National Accelerator Laboratory, Batavia, Illinois, USA
| | - A Etchegoyen
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
| | - H Falcke
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
- Stichting Astronomisch Onderzoek in Nederland (ASTRON), Dwingeloo, The Netherlands
| | - J Farmer
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
| | - G Farrar
- New York University, New York, New York, USA
| | - A C Fauth
- Universidade Estadual de Campinas, IFGW, Campinas, São Paulo, Brazil
| | - N Fazzini
- Fermi National Accelerator Laboratory, Fermilab, Batavia, Illinois, USA
| | - F Feldbusch
- Karlsruhe Institute of Technology, Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | - F Fenu
- INFN, Sezione di Torino, Torino, Italy
- Dipartimento di Fisica, Università Torino, Torino, Italy
| | - B Fick
- Michigan Technological University, Houghton, Michigan, USA
| | - J M Figueira
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - A Filipčič
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - T Fodran
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
| | - M M Freire
- Instituto de Física de Rosario (IFIR)-CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas Universidad Nacional de Rosario, Rosario, Argentina
| | - T Fujii
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
| | - A Fuster
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
| | - C Galea
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
| | - C Galelli
- Dipartimento di Fisica, Università di Milano, Milano, Italy
- INFN, Sezione di Milano, Milano, Italy
| | - B García
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional-Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina
| | - A L Garcia Vegas
- III. Physikalisches Institut A, RWTH Aachen University, Aachen, Germany
| | - H Gemmeke
- Karlsruhe Institute of Technology, Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | - F Gesualdi
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - A Gherghel-Lascu
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - P L Ghia
- CNRS/IN2P3, IJCLab, Université Paris-Saclay, Orsay, France
| | - U Giaccari
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
| | | | - M Giller
- Faculty of Astrophysics, University of Łódź, Łódź, Poland
| | - J Glombitza
- III. Physikalisches Institut A, RWTH Aachen University, Aachen, Germany
| | - F Gobbi
- Observatorio Pierre Auger, Malargüe, Argentina
| | - F Gollan
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - G Golup
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - M Gómez Berisso
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - P F Gómez Vitale
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - J P Gongora
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - N González
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - I Goos
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - D Góra
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - A Gorgi
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- INFN, Sezione di Torino, Torino, Italy
| | - M Gottowik
- Department of Physics, Bergische Universität Wuppertal, Wuppertal, Germany
| | - T D Grubb
- University of Adelaide, Adelaide, South Australia, Australia
| | - F Guarino
- INFN, Sezione di Napoli, Napoli, Italy
- Dipartimento di Fisica "Ettore Pancini," Università di Napoli "Federico II," Napoli, Italy
| | - G P Guedes
- Universidade Estadual de Feira de Santana, Feira de Santana, Brazil
| | - E Guido
- INFN, Sezione di Torino, Torino, Italy
- Dipartimento di Fisica, Università Torino, Torino, Italy
| | - S Hahn
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - R Halliday
- Case Western Reserve University, Cleveland, Ohio, USA
| | - M R Hampel
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - P Hansen
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - D Harari
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - V M Harvey
- University of Adelaide, Adelaide, South Australia, Australia
| | - A Haungs
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - T Hebbeker
- III. Physikalisches Institut A, RWTH Aachen University, Aachen, Germany
| | - D Heck
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - G C Hill
- University of Adelaide, Adelaide, South Australia, Australia
| | - C Hojvat
- Fermi National Accelerator Laboratory, Fermilab, Batavia, Illinois, USA
| | - J R Hörandel
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - P Horvath
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - M Hrabovský
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - T Huege
- Vrije Universiteit Brussels, Brussels, Belgium
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - J Hulsman
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - A Insolia
- Dipartimento di Fisica e Astronomia, Università di Catania, Catania, Italy
- INFN, Sezione di Catania, Catania, Italy
| | - P G Isar
- Institute of Space Science, Bucharest-Magurele, Romania
| | - J A Johnsen
- Colorado School of Mines, Golden, Colorado, USA
| | - J Jurysek
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - A Kääpä
- Department of Physics, Bergische Universität Wuppertal, Wuppertal, Germany
| | - K H Kampert
- Department of Physics, Bergische Universität Wuppertal, Wuppertal, Germany
| | - B Keilhauer
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - J Kemp
- III. Physikalisches Institut A, RWTH Aachen University, Aachen, Germany
| | - H O Klages
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - M Kleifges
- Karlsruhe Institute of Technology, Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | | | - M Köpke
- Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany
| | - G Kukec Mezek
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - B L Lago
- Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Nova Friburgo, Brazil
| | - D LaHurd
- Case Western Reserve University, Cleveland, Ohio, USA
| | - R G Lang
- Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, São Paulo, Brazil
| | - N Langner
- III. Physikalisches Institut A, RWTH Aachen University, Aachen, Germany
| | | | - V Lenok
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - A Letessier-Selvon
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Sorbonne Université, Université de Paris, CNRS-IN2P3, Paris, France
| | - I Lhenry-Yvon
- CNRS/IN2P3, IJCLab, Université Paris-Saclay, Orsay, France
| | - D Lo Presti
- Dipartimento di Fisica e Astronomia, Università di Catania, Catania, Italy
- INFN, Sezione di Catania, Catania, Italy
| | - L Lopes
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - R López
- Benemérita Universidad Autónoma de Puebla, Puebla, México
| | - R Lorek
- Case Western Reserve University, Cleveland, Ohio, USA
| | - Q Luce
- Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany
| | - A Lucero
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - J P Lundquist
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - A Machado Payeras
- Universidade Estadual de Campinas, IFGW, Campinas, São Paulo, Brazil
| | - G Mancarella
- INFN, Sezione di Lecce, Lecce, Italy
- Dipartimento di Matematica e Fisica "E. De Giorgi," Università del Salento, Lecce, Italy
| | - D Mandat
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - B C Manning
- University of Adelaide, Adelaide, South Australia, Australia
| | - J Manshanden
- Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany
| | - P Mantsch
- Fermi National Accelerator Laboratory, Fermilab, Batavia, Illinois, USA
| | - S Marafico
- CNRS/IN2P3, IJCLab, Université Paris-Saclay, Orsay, France
| | - A G Mariazzi
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - I C Mariş
- Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - G Marsella
- INFN, Sezione di Lecce, Lecce, Italy
- Dipartimento di Matematica e Fisica "E. De Giorgi," Università del Salento, Lecce, Italy
| | - D Martello
- INFN, Sezione di Lecce, Lecce, Italy
- Dipartimento di Matematica e Fisica "E. De Giorgi," Università del Salento, Lecce, Italy
| | - H Martinez
- Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, São Paulo, Brazil
| | | | - M Mastrodicasa
- Dipartimento di Scienze Fisiche e Chimiche, Università dell'Aquila, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | - H J Mathes
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - J Matthews
- Louisiana State University, Baton Rouge, Louisiana, USA
| | - G Matthiae
- Dipartimento di Fisica, Università di Roma "Tor Vergata," Roma, Italy
- INFN, Sezione di Roma "Tor Vergata," Roma, Italy
| | - E Mayotte
- Department of Physics, Bergische Universität Wuppertal, Wuppertal, Germany
| | - P O Mazur
- Fermi National Accelerator Laboratory, Fermilab, Batavia, Illinois, USA
| | - G Medina-Tanco
- Universidad Nacional Autónoma de México, México, Distrito Federal, México
| | - D Melo
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - A Menshikov
- Karlsruhe Institute of Technology, Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | - K-D Merenda
- Colorado School of Mines, Golden, Colorado, USA
| | - S Michal
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - M I Micheletti
- Instituto de Física de Rosario (IFIR)-CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas Universidad Nacional de Rosario, Rosario, Argentina
| | - L Miramonti
- Dipartimento di Fisica, Università di Milano, Milano, Italy
- INFN, Sezione di Milano, Milano, Italy
| | - S Mollerach
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - F Montanet
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
| | - C Morello
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- INFN, Sezione di Torino, Torino, Italy
| | - M Mostafá
- Pennsylvania State University, University Park, Pennsylvania, USA
| | - A L Müller
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - M A Muller
- Instituto de Física, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Universidade Estadual de Campinas, IFGW, Campinas, São Paulo, Brazil
| | - K Mulrey
- Vrije Universiteit Brussels, Brussels, Belgium
| | - R Mussa
- INFN, Sezione di Torino, Torino, Italy
| | - M Muzio
- New York University, New York, New York, USA
| | - W M Namasaka
- Department of Physics, Bergische Universität Wuppertal, Wuppertal, Germany
| | - L Nellen
- Universidad Nacional Autónoma de México, México, Distrito Federal, México
| | - M Niculescu-Oglinzanu
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - M Niechciol
- Universität Siegen, Fachbereich 7 Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - D Nitz
- Michigan Technological University, Houghton, Michigan, USA
| | - D Nosek
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
| | - V Novotny
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
| | - L Nožka
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - A Nucita
- INFN, Sezione di Lecce, Lecce, Italy
- Dipartimento di Matematica e Fisica "E. De Giorgi," Università del Salento, Lecce, Italy
| | - L A Núñez
- Universidad Industrial de Santander, Bucaramanga, Colombia
| | - M Palatka
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - J Pallotta
- Centro de Investigaciones en Láseres y Aplicaciones, CITEDEF and CONICET, Villa Martelli, Argentina
| | - P Papenbreer
- Department of Physics, Bergische Universität Wuppertal, Wuppertal, Germany
| | - G Parente
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - A Parra
- Benemérita Universidad Autónoma de Puebla, Puebla, México
| | - M Pech
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - F Pedreira
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - J Pȩkala
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - R Pelayo
- Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas del Instituto Politécnico Nacional (UPIITA-IPN), México, Distrito Federal, México
| | | | - J Perez Armand
- Instituto de Física, Universidade de São Paulo, São Paulo, Brazil
| | - M Perlin
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - L Perrone
- INFN, Sezione di Lecce, Lecce, Italy
- Dipartimento di Matematica e Fisica "E. De Giorgi," Università del Salento, Lecce, Italy
| | - S Petrera
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Gran Sasso Science Institute, L'Aquila, Italy
| | - T Pierog
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - M Pimenta
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - V Pirronello
- Dipartimento di Fisica e Astronomia, Università di Catania, Catania, Italy
- INFN, Sezione di Catania, Catania, Italy
| | - M Platino
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - B Pont
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
| | - M Pothast
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - P Privitera
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
| | - M Prouza
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - A Puyleart
- Michigan Technological University, Houghton, Michigan, USA
| | - S Querchfeld
- Department of Physics, Bergische Universität Wuppertal, Wuppertal, Germany
| | - J Rautenberg
- Department of Physics, Bergische Universität Wuppertal, Wuppertal, Germany
| | - D Ravignani
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - M Reininghaus
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - J Ridky
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - F Riehn
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - M Risse
- Universität Siegen, Fachbereich 7 Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - P Ristori
- Centro de Investigaciones en Láseres y Aplicaciones, CITEDEF and CONICET, Villa Martelli, Argentina
| | - V Rizi
- Dipartimento di Scienze Fisiche e Chimiche, Università dell'Aquila, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | | | - J Rodriguez Rojo
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - M J Roncoroni
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - M Roth
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - E Roulet
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - A C Rovero
- Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Buenos Aires, Argentina
| | - P Ruehl
- Universität Siegen, Fachbereich 7 Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - S J Saffi
- University of Adelaide, Adelaide, South Australia, Australia
| | - A Saftoiu
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - F Salamida
- Dipartimento di Scienze Fisiche e Chimiche, Università dell'Aquila, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | - H Salazar
- Benemérita Universidad Autónoma de Puebla, Puebla, México
| | - G Salina
- INFN, Sezione di Roma "Tor Vergata," Roma, Italy
| | | | - F Sánchez
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - E M Santos
- Instituto de Física, Universidade de São Paulo, São Paulo, Brazil
| | - E Santos
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - F Sarazin
- Colorado School of Mines, Golden, Colorado, USA
| | - R Sarmento
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - C Sarmiento-Cano
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - R Sato
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - P Savina
- INFN, Sezione di Lecce, Lecce, Italy
- Dipartimento di Matematica e Fisica "E. De Giorgi," Università del Salento, Lecce, Italy
- CNRS/IN2P3, IJCLab, Université Paris-Saclay, Orsay, France
| | - C M Schäfer
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | | | - H Schieler
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - M Schimassek
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany
| | - M Schimp
- Department of Physics, Bergische Universität Wuppertal, Wuppertal, Germany
| | - F Schlüter
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - D Schmidt
- Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany
| | - O Scholten
- Vrije Universiteit Brussels, Brussels, Belgium
- KVI-Center for Advanced Radiation Technology, University of Groningen, Groningen, The Netherlands
| | - P Schovánek
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - F G Schröder
- Department of Physics and Astronomy, Bartol Research Institute, University of Delaware, Newark, Delaware, USA
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - S Schröder
- Department of Physics, Bergische Universität Wuppertal, Wuppertal, Germany
| | - J Schulte
- III. Physikalisches Institut A, RWTH Aachen University, Aachen, Germany
| | - S J Sciutto
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - M Scornavacche
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - R C Shellard
- Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Brazil
| | - G Sigl
- Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany
| | - G Silli
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - O Sima
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - R Šmída
- University of Chicago, Enrico Fermi Institute, Chicago, Illinois, USA
| | - P Sommers
- Pennsylvania State University, University Park, Pennsylvania, USA
| | - J F Soriano
- Department of Physics and Astronomy, Lehman College, City University of New York, Bronx, New York, USA
| | - J Souchard
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
| | - R Squartini
- Observatorio Pierre Auger, Malargüe, Argentina
| | - M Stadelmaier
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - D Stanca
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - S Stanič
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - J Stasielak
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - P Stassi
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France
| | - A Streich
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany
| | - M Suárez-Durán
- Universidad Industrial de Santander, Bucaramanga, Colombia
| | - T Sudholz
- University of Adelaide, Adelaide, South Australia, Australia
| | - T Suomijärvi
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France
| | - A D Supanitsky
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - J Šupík
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - Z Szadkowski
- Faculty of High-Energy Astrophysics, University of Łódź, Łódź, Poland
| | - A Taboada
- Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany
| | - A Tapia
- Universidad de Medellín, Medellín, Colombia
| | - C Timmermans
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - O Tkachenko
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - P Tobiska
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - C J Todero Peixoto
- Universidade de São Paulo, Escola de Engenharia de Lorena, Lorena, São Paulo, Brazil
| | - B Tomé
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - G Torralba Elipe
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - A Travaini
- Observatorio Pierre Auger, Malargüe, Argentina
| | - P Travnicek
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - C Trimarelli
- Dipartimento di Scienze Fisiche e Chimiche, Università dell'Aquila, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | - M Trini
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - M Tueros
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - R Ulrich
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - M Unger
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - L Vaclavek
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - M Vacula
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - J F Valdés Galicia
- Universidad Nacional Autónoma de México, México, Distrito Federal, México
| | - I Valiño
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Gran Sasso Science Institute, L'Aquila, Italy
| | - L Valore
- INFN, Sezione di Napoli, Napoli, Italy
- Dipartimento di Fisica "Ettore Pancini," Università di Napoli "Federico II," Napoli, Italy
| | - E Varela
- Benemérita Universidad Autónoma de Puebla, Puebla, México
| | - V Varma K C
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | | | - D Veberič
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - C Ventura
- Universidade Federal do Rio de Janeiro (UFRJ), Observatório do Valongo, Rio de Janeiro, Brazil
| | | | - V Verzi
- INFN, Sezione di Roma "Tor Vergata," Roma, Italy
| | - J Vicha
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - J Vink
- Faculty of Science, Universiteit van Amsterdam, Amsterdam, The Netherlands
| | - S Vorobiov
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - H Wahlberg
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - A A Watson
- School of Physics and Astronomy, University of Leeds, Leeds, United Kingdom
| | - M Weber
- Karlsruhe Institute of Technology, Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | - A Weindl
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - L Wiencke
- Colorado School of Mines, Golden, Colorado, USA
| | - H Wilczyński
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - T Winchen
- Vrije Universiteit Brussels, Brussels, Belgium
| | - M Wirtz
- III. Physikalisches Institut A, RWTH Aachen University, Aachen, Germany
| | - D Wittkowski
- Department of Physics, Bergische Universität Wuppertal, Wuppertal, Germany
| | - B Wundheiler
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - A Yushkov
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - O Zapparrata
- Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - E Zas
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - D Zavrtanik
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - M Zavrtanik
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - L Zehrer
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - A Zepeda
- Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV), México, Distrito Federal, México
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Aab A, Abreu P, Aglietta M, Albury JM, Allekotte I, Almela A, Alvarez Castillo J, Alvarez-Muñiz J, Alves Batista R, Anastasi GA, Anchordoqui L, Andrada B, Andringa S, Aramo C, Araújo Ferreira PR, Asorey H, Assis P, Avila G, Badescu AM, Bakalova A, Balaceanu A, Barbato F, Barreira Luz RJ, Becker KH, Bellido JA, Berat C, Bertaina ME, Bertou X, Biermann PL, Bister T, Biteau J, Blanco A, Blazek J, Bleve C, Boháčová M, Boncioli D, Bonifazi C, Bonneau Arbeletche L, Borodai N, Botti AM, Brack J, Bretz T, Briechle FL, Buchholz P, Bueno A, Buitink S, Buscemi M, Caballero-Mora KS, Caccianiga L, Calcagni L, Cancio A, Canfora F, Caracas I, Carceller JM, Caruso R, Castellina A, Catalani F, Cataldi G, Cazon L, Cerda M, Chinellato JA, Choi K, Chudoba J, Chytka L, Clay RW, Cobos Cerutti AC, Colalillo R, Coleman A, Coluccia MR, Conceição R, Condorelli A, Consolati G, Contreras F, Convenga F, Covault CE, Dasso S, Daumiller K, Dawson BR, Day JA, de Almeida RM, de Jesús J, de Jong SJ, De Mauro G, de Mello Neto JRT, De Mitri I, de Oliveira J, de Oliveira Franco D, de Souza V, De Vito E, Debatin J, Del Río M, Deligny O, Dembinski H, Dhital N, Di Giulio C, Di Matteo A, Díaz Castro ML, Dobrigkeit C, D'Olivo JC, Dorosti Q, Dos Anjos RC, Dova MT, Ebr J, Engel R, Epicoco I, Erdmann M, Escobar CO, Etchegoyen A, Falcke H, Farmer J, Farrar G, Fauth AC, Fazzini N, Feldbusch F, Fenu F, Fick B, Figueira JM, Filipčič A, Fodran T, Freire MM, Fujii T, Fuster A, Galea C, Galelli C, García B, Garcia Vegas AL, Gemmeke H, Gesualdi F, Gherghel-Lascu A, Ghia PL, Giaccari U, Giammarchi M, Giller M, Glombitza J, Gobbi F, Gollan F, Golup G, Gómez Berisso M, Gómez Vitale PF, Gongora JP, González N, Goos I, Góra D, Gorgi A, Gottowik M, Grubb TD, Guarino F, Guedes GP, Guido E, Hahn S, Halliday R, Hampel MR, Hansen P, Harari D, Harvey VM, Haungs A, Hebbeker T, Heck D, Hill GC, Hojvat C, Hörandel JR, Horvath P, Hrabovský M, Huege T, Hulsman J, Insolia A, Isar PG, Johnsen JA, Jurysek J, Kääpä A, Kampert KH, Keilhauer B, Kemp J, Klages HO, Kleifges M, Kleinfeller J, Köpke M, Kukec Mezek G, Lago BL, LaHurd D, Lang RG, Leigui de Oliveira MA, Lenok V, Letessier-Selvon A, Lhenry-Yvon I, Lo Presti D, Lopes L, López R, Lorek R, Luce Q, Lucero A, Machado Payeras A, Malacari M, Mancarella G, Mandat D, Manning BC, Manshanden J, Mantsch P, Marafico S, Mariazzi AG, Mariş IC, Marsella G, Martello D, Martinez H, Martínez Bravo O, Mastrodicasa M, Mathes HJ, Matthews J, Matthiae G, Mayotte E, Mazur PO, Medina-Tanco G, Melo D, Menshikov A, Merenda KD, Michal S, Micheletti MI, Miramonti L, Mockler D, Mollerach S, Montanet F, Morello C, Mostafá M, Müller AL, Muller MA, Mulrey K, Mussa R, Muzio M, Namasaka WM, Nellen L, Nguyen PH, Niculescu-Oglinzanu M, Niechciol M, Nitz D, Nosek D, Novotny V, Nožka L, Nucita A, Núñez LA, Palatka M, Pallotta J, Panetta MP, Papenbreer P, Parente G, Parra A, Pech M, Pedreira F, Pȩkala J, Pelayo R, Peña-Rodriguez J, Perez Armand J, Perlin M, Perrone L, Peters C, Petrera S, Pierog T, Pimenta M, Pirronello V, Platino M, Pont B, Pothast M, Privitera P, Prouza M, Puyleart A, Querchfeld S, Rautenberg J, Ravignani D, Reininghaus M, Ridky J, Riehn F, Risse M, Ristori P, Rizi V, Rodrigues de Carvalho W, Rodriguez Fernandez G, Rodriguez Rojo J, Roncoroni MJ, Roth M, Roulet E, Rovero AC, Ruehl P, Saffi SJ, Saftoiu A, Salamida F, Salazar H, Salina G, Sanabria Gomez JD, Sánchez F, Santos EM, Santos E, Sarazin F, Sarmento R, Sarmiento-Cano C, Sato R, Savina P, Schäfer C, Scherini V, Schieler H, Schimassek M, Schimp M, Schlüter F, Schmidt D, Scholten O, Schovánek P, Schröder FG, Schröder S, Schulz A, Sciutto SJ, Scornavacche M, Shellard RC, Sigl G, Silli G, Sima O, Šmída R, Sommers P, Soriano JF, Souchard J, Squartini R, Stadelmaier M, Stanca D, Stanič S, Stasielak J, Stassi P, Streich A, Suárez-Durán M, Sudholz T, Suomijärvi T, Supanitsky AD, Šupík J, Szadkowski Z, Taboada A, Tapia A, Timmermans C, Tkachenko O, Tobiska P, Todero Peixoto CJ, Tomé B, Torralba Elipe G, Travaini A, Travnicek P, Trimarelli C, Trini M, Tueros M, Ulrich R, Unger M, Urban M, Vaclavek L, Vacula M, Valdés Galicia JF, Valiño I, Valore L, van Vliet A, Varela E, Vargas Cárdenas B, Vásquez-Ramírez A, Veberič D, Ventura C, Vergara Quispe ID, Verzi V, Vicha J, Villaseñor L, Vink J, Vorobiov S, Wahlberg H, Watson AA, Weber M, Weindl A, Wiencke L, Wilczyński H, Winchen T, Wirtz M, Wittkowski D, Wundheiler B, Yushkov A, Zapparrata O, Zas E, Zavrtanik D, Zavrtanik M, Zehrer L, Zepeda A, Ziolkowski M, Zuccarello F. Features of the Energy Spectrum of Cosmic Rays above 2.5×10^{18} eV Using the Pierre Auger Observatory. Phys Rev Lett 2020; 125:121106. [PMID: 33016715 DOI: 10.1103/physrevlett.125.121106] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 07/31/2020] [Indexed: 06/11/2023]
Abstract
We report a measurement of the energy spectrum of cosmic rays above 2.5×10^{18} eV based on 215 030 events. New results are presented: at about 1.3×10^{19} eV, the spectral index changes from 2.51±0.03(stat)±0.05(syst) to 3.05±0.05(stat)±0.10(syst), evolving to 5.1±0.3(stat)±0.1(syst) beyond 5×10^{19} eV, while no significant dependence of spectral features on the declination is seen in the accessible range. These features of the spectrum can be reproduced in models with energy-dependent mass composition. The energy density in cosmic rays above 5×10^{18} eV is [5.66±0.03(stat)±1.40(syst)]×10^{53} erg Mpc^{-3}.
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Affiliation(s)
- A Aab
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
| | - P Abreu
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - M Aglietta
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- INFN, Sezione di Torino, Torino, Italy
| | - J M Albury
- University of Adelaide, Adelaide, S.A., Australia
| | - I Allekotte
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - A Almela
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
| | | | - J Alvarez-Muñiz
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - R Alves Batista
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
| | - G A Anastasi
- INFN, Sezione di Torino, Torino, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
| | - L Anchordoqui
- Department of Physics and Astronomy, Lehman College, City University of New York, Bronx, NY, USA
| | - B Andrada
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - S Andringa
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - C Aramo
- INFN, Sezione di Napoli, Napoli, Italy
| | | | - H Asorey
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - P Assis
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - G Avila
- Observatorio Pierre Auger, Malargüe, Argentina
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - A M Badescu
- University Politehnica of Bucharest, Bucharest, Romania
| | - A Bakalova
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - A Balaceanu
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - F Barbato
- INFN, Sezione di Napoli, Napoli, Italy
- Università di Napoli "Federico II", Dipartimento di Fisica "Ettore Pancini", Napoli, Italy
| | - R J Barreira Luz
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - K H Becker
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - J A Bellido
- University of Adelaide, Adelaide, S.A., Australia
| | - C Berat
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France, France
| | - M E Bertaina
- INFN, Sezione di Torino, Torino, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
| | - X Bertou
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - P L Biermann
- Max-Planck-Institut für Radioastronomie, Bonn, Germany
| | - T Bister
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - J Biteau
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France, France
| | - A Blanco
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - J Blazek
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - C Bleve
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France, France
| | - M Boháčová
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - D Boncioli
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | - C Bonifazi
- Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, RJ, Brazil
| | | | - N Borodai
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - A M Botti
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - J Brack
- Colorado State University, Fort Collins, CO, USA
| | - T Bretz
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - F L Briechle
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - P Buchholz
- Universität Siegen, Fachbereich 7 Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - A Bueno
- Universidad de Granada and C.A.F.P.E., Granada, Spain
| | - S Buitink
- Vrije Universiteit Brussels, Brussels, Belgium
| | - M Buscemi
- Università di Catania, Dipartimento di Fisica e Astronomia, Catania, Italy
- INFN, Sezione di Catania, Catania, Italy
| | | | - L Caccianiga
- Università di Milano, Dipartimento di Fisica, Milano, Italy
- INFN, Sezione di Milano, Milano, Italy
| | - L Calcagni
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - A Cancio
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
| | - F Canfora
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - I Caracas
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - J M Carceller
- Universidad de Granada and C.A.F.P.E., Granada, Spain
| | - R Caruso
- Università di Catania, Dipartimento di Fisica e Astronomia, Catania, Italy
- INFN, Sezione di Catania, Catania, Italy
| | - A Castellina
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- INFN, Sezione di Torino, Torino, Italy
| | - F Catalani
- Universidade de São Paulo, Escola de Engenharia de Lorena, Lorena, SP, Brazil
| | - G Cataldi
- INFN, Sezione di Lecce, Lecce, Italy
| | - L Cazon
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - M Cerda
- Observatorio Pierre Auger, Malargüe, Argentina
| | - J A Chinellato
- Universidade Estadual de Campinas, IFGW, Campinas, SP, Brazil
| | - K Choi
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - J Chudoba
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - L Chytka
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - R W Clay
- University of Adelaide, Adelaide, S.A., Australia
| | - A C Cobos Cerutti
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional-Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina
| | - R Colalillo
- INFN, Sezione di Napoli, Napoli, Italy
- Università di Napoli "Federico II", Dipartimento di Fisica "Ettore Pancini", Napoli, Italy
| | - A Coleman
- University of Delaware, Department of Physics and Astronomy, Bartol Research Institute, Newark, DE, USA
| | - M R Coluccia
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi", Lecce, Italy
| | - R Conceição
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - A Condorelli
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Gran Sasso Science Institute, L'Aquila, Italy
| | - G Consolati
- INFN, Sezione di Milano, Milano, Italy
- Politecnico di Milano, Dipartimento di Scienze e Tecnologie Aerospaziali, Milano, Italy
| | - F Contreras
- Observatorio Pierre Auger, Malargüe, Argentina
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - F Convenga
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi", Lecce, Italy
| | - C E Covault
- Case Western Reserve University, Cleveland, OH, USA
- also at Radboud Universtiy Nijmegen, Nijmegen, The Netherlands
| | - S Dasso
- Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Buenos Aires, Argentina
- Departamento de Física and Departamento de Ciencias de la Atmósfera y los Océanos, FCEyN, Universidad de Buenos Aires and CONICET, Buenos Aires, Argentina
| | - K Daumiller
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - B R Dawson
- University of Adelaide, Adelaide, S.A., Australia
| | - J A Day
- University of Adelaide, Adelaide, S.A., Australia
| | - R M de Almeida
- Universidade Federal Fluminense, EEIMVR, Volta Redonda, RJ, Brazil
| | - J de Jesús
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - S J de Jong
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - G De Mauro
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - J R T de Mello Neto
- Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, RJ, Brazil
- Universidade Federal do Rio de Janeiro (UFRJ), Observatório do Valongo, Rio de Janeiro, RJ, Brazil
| | - I De Mitri
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Gran Sasso Science Institute, L'Aquila, Italy
| | - J de Oliveira
- Universidade Federal Fluminense, EEIMVR, Volta Redonda, RJ, Brazil
| | | | - V de Souza
- Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, SP, Brazil
| | - E De Vito
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi", Lecce, Italy
| | - J Debatin
- Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany
| | - M Del Río
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - O Deligny
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France, France
| | - H Dembinski
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - N Dhital
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - C Di Giulio
- Università di Roma "Tor Vergata", Dipartimento di Fisica, Roma, Italy
- INFN, Sezione di Roma "Tor Vergata", Roma, Italy
| | | | - M L Díaz Castro
- Universidade Estadual de Campinas, IFGW, Campinas, SP, Brazil
| | - C Dobrigkeit
- Universidade Estadual de Campinas, IFGW, Campinas, SP, Brazil
| | - J C D'Olivo
- Universidad Nacional Autónoma de México, México, D.F., México
| | - Q Dorosti
- Universität Siegen, Fachbereich 7 Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - R C Dos Anjos
- Universidade Federal do Paraná, Setor Palotina, Palotina, Brazil
| | - M T Dova
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - J Ebr
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - R Engel
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
- Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany
| | - I Epicoco
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi", Lecce, Italy
| | - M Erdmann
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | | | - A Etchegoyen
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
| | - H Falcke
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
- Stichting Astronomisch Onderzoek in Nederland (ASTRON), Dwingeloo, The Netherlands
| | - J Farmer
- University of Chicago, Enrico Fermi Institute, Chicago, IL, USA
| | - G Farrar
- New York University, New York, NY, USA
| | - A C Fauth
- Universidade Estadual de Campinas, IFGW, Campinas, SP, Brazil
| | - N Fazzini
- Fermi National Accelerator Laboratory, USA
| | - F Feldbusch
- Karlsruhe Institute of Technology, Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | - F Fenu
- INFN, Sezione di Torino, Torino, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
| | - B Fick
- Michigan Technological University, Houghton, MI, USA
| | - J M Figueira
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - A Filipčič
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - T Fodran
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
| | - M M Freire
- Instituto de Física de Rosario (IFIR)-CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina
| | - T Fujii
- University of Chicago, Enrico Fermi Institute, Chicago, IL, USA
- now at Hakubi Center for Advanced Research and Graduate School of Science, Kyoto University, Kyoto, Japan
| | - A Fuster
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina
| | - C Galea
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
| | - C Galelli
- Università di Milano, Dipartimento di Fisica, Milano, Italy
- INFN, Sezione di Milano, Milano, Italy
| | - B García
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional-Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina
| | - A L Garcia Vegas
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - H Gemmeke
- Karlsruhe Institute of Technology, Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | - F Gesualdi
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - A Gherghel-Lascu
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - P L Ghia
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France, France
| | - U Giaccari
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
| | | | - M Giller
- University of Łódź, Faculty of Astrophysics, Łódź, Poland
| | - J Glombitza
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - F Gobbi
- Observatorio Pierre Auger, Malargüe, Argentina
| | - F Gollan
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - G Golup
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - M Gómez Berisso
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - P F Gómez Vitale
- Observatorio Pierre Auger, Malargüe, Argentina
- Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina
| | - J P Gongora
- Observatorio Pierre Auger, Malargüe, Argentina
| | - N González
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - I Goos
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - D Góra
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - A Gorgi
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- INFN, Sezione di Torino, Torino, Italy
| | - M Gottowik
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - T D Grubb
- University of Adelaide, Adelaide, S.A., Australia
| | - F Guarino
- INFN, Sezione di Napoli, Napoli, Italy
- Università di Napoli "Federico II", Dipartimento di Fisica "Ettore Pancini", Napoli, Italy
| | - G P Guedes
- Universidade Estadual de Feira de Santana, Feira de Santana, Brazil
| | - E Guido
- INFN, Sezione di Torino, Torino, Italy
- Università Torino, Dipartimento di Fisica, Torino, Italy
| | - S Hahn
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - R Halliday
- Case Western Reserve University, Cleveland, OH, USA
| | - M R Hampel
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - P Hansen
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - D Harari
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - V M Harvey
- University of Adelaide, Adelaide, S.A., Australia
| | - A Haungs
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - T Hebbeker
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - D Heck
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - G C Hill
- University of Adelaide, Adelaide, S.A., Australia
| | - C Hojvat
- Fermi National Accelerator Laboratory, USA
| | - J R Hörandel
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - P Horvath
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - M Hrabovský
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - T Huege
- Vrije Universiteit Brussels, Brussels, Belgium
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - J Hulsman
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - A Insolia
- Università di Catania, Dipartimento di Fisica e Astronomia, Catania, Italy
- INFN, Sezione di Catania, Catania, Italy
| | - P G Isar
- Institute of Space Science, Bucharest-Magurele, Romania
| | | | - J Jurysek
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - A Kääpä
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - K H Kampert
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - B Keilhauer
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - J Kemp
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - H O Klages
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - M Kleifges
- Karlsruhe Institute of Technology, Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | | | - M Köpke
- Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany
| | - G Kukec Mezek
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - B L Lago
- Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Nova Friburgo, Brazil
| | - D LaHurd
- Case Western Reserve University, Cleveland, OH, USA
| | - R G Lang
- Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, SP, Brazil
| | | | - V Lenok
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - A Letessier-Selvon
- Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Universités Paris 6 et Paris 7, CNRS-IN2P3, Paris, France
| | - I Lhenry-Yvon
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France, France
| | - D Lo Presti
- Università di Catania, Dipartimento di Fisica e Astronomia, Catania, Italy
- INFN, Sezione di Catania, Catania, Italy
| | - L Lopes
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - R López
- Benemérita Universidad Autónoma de Puebla, Puebla, México
| | - R Lorek
- Case Western Reserve University, Cleveland, OH, USA
| | - Q Luce
- Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany
| | - A Lucero
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | | | - M Malacari
- University of Chicago, Enrico Fermi Institute, Chicago, IL, USA
| | - G Mancarella
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi", Lecce, Italy
| | - D Mandat
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - B C Manning
- University of Adelaide, Adelaide, S.A., Australia
| | - J Manshanden
- Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany
| | - P Mantsch
- Fermi National Accelerator Laboratory, USA
| | - S Marafico
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France, France
| | - A G Mariazzi
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - I C Mariş
- Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - G Marsella
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi", Lecce, Italy
| | - D Martello
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi", Lecce, Italy
| | - H Martinez
- Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, SP, Brazil
| | | | - M Mastrodicasa
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | - H J Mathes
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - J Matthews
- Louisiana State University, Baton Rouge, LA, USA
| | - G Matthiae
- Università di Roma "Tor Vergata", Dipartimento di Fisica, Roma, Italy
- INFN, Sezione di Roma "Tor Vergata", Roma, Italy
| | - E Mayotte
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - P O Mazur
- Fermi National Accelerator Laboratory, USA
| | - G Medina-Tanco
- Universidad Nacional Autónoma de México, México, D.F., México
| | - D Melo
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - A Menshikov
- Karlsruhe Institute of Technology, Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | | | - S Michal
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - M I Micheletti
- Instituto de Física de Rosario (IFIR)-CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina
| | - L Miramonti
- Università di Milano, Dipartimento di Fisica, Milano, Italy
- INFN, Sezione di Milano, Milano, Italy
| | - D Mockler
- Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - S Mollerach
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - F Montanet
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France, France
| | - C Morello
- Osservatorio Astrofisico di Torino (INAF), Torino, Italy
- INFN, Sezione di Torino, Torino, Italy
| | - M Mostafá
- Pennsylvania State University, University Park, PA, USA
| | - A L Müller
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - M A Muller
- Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, RJ, Brazil
- Universidade Estadual de Campinas, IFGW, Campinas, SP, Brazil
- Universidade Federal de Alfenas, Poços de Caldas, Brazil
| | - K Mulrey
- Vrije Universiteit Brussels, Brussels, Belgium
| | - R Mussa
- INFN, Sezione di Torino, Torino, Italy
| | - M Muzio
- New York University, New York, NY, USA
| | - W M Namasaka
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - L Nellen
- Universidad Nacional Autónoma de México, México, D.F., México
| | - P H Nguyen
- University of Adelaide, Adelaide, S.A., Australia
| | - M Niculescu-Oglinzanu
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - M Niechciol
- Universität Siegen, Fachbereich 7 Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - D Nitz
- Michigan Technological University, Houghton, MI, USA
- Karlsruhe Institute of Technology, Karlsruhe, Germany
| | - D Nosek
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
| | - V Novotny
- Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic
| | - L Nožka
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - A Nucita
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi", Lecce, Italy
| | - L A Núñez
- Universidad Industrial de Santander, Bucaramanga, Colombia
| | - M Palatka
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - J Pallotta
- Centro de Investigaciones en Láseres y Aplicaciones, CITEDEF and CONICET, Villa Martelli, Argentina
| | - M P Panetta
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi", Lecce, Italy
| | - P Papenbreer
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - G Parente
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - A Parra
- Benemérita Universidad Autónoma de Puebla, Puebla, México
| | - M Pech
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - F Pedreira
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - J Pȩkala
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - R Pelayo
- Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas del Instituto Politécnico Nacional (UPIITA-IPN), México, D.F., México
| | | | - J Perez Armand
- Universidade de São Paulo, Instituto de Física, São Paulo, SP, Brazil
| | - M Perlin
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - L Perrone
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi", Lecce, Italy
| | - C Peters
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - S Petrera
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Gran Sasso Science Institute, L'Aquila, Italy
| | - T Pierog
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - M Pimenta
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - V Pirronello
- Università di Catania, Dipartimento di Fisica e Astronomia, Catania, Italy
- INFN, Sezione di Catania, Catania, Italy
| | - M Platino
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - B Pont
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
| | - M Pothast
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - P Privitera
- University of Chicago, Enrico Fermi Institute, Chicago, IL, USA
| | - M Prouza
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - A Puyleart
- Michigan Technological University, Houghton, MI, USA
| | - S Querchfeld
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - J Rautenberg
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - D Ravignani
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - M Reininghaus
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - J Ridky
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - F Riehn
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - M Risse
- Universität Siegen, Fachbereich 7 Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - P Ristori
- Centro de Investigaciones en Láseres y Aplicaciones, CITEDEF and CONICET, Villa Martelli, Argentina
| | - V Rizi
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | | | - G Rodriguez Fernandez
- Università di Roma "Tor Vergata", Dipartimento di Fisica, Roma, Italy
- INFN, Sezione di Roma "Tor Vergata", Roma, Italy
| | | | - M J Roncoroni
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - M Roth
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - E Roulet
- Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina
| | - A C Rovero
- Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Buenos Aires, Argentina
| | - P Ruehl
- Universität Siegen, Fachbereich 7 Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - S J Saffi
- University of Adelaide, Adelaide, S.A., Australia
| | - A Saftoiu
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - F Salamida
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | - H Salazar
- Benemérita Universidad Autónoma de Puebla, Puebla, México
| | - G Salina
- INFN, Sezione di Roma "Tor Vergata", Roma, Italy
| | | | - F Sánchez
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - E M Santos
- Universidade de São Paulo, Instituto de Física, São Paulo, SP, Brazil
| | - E Santos
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - F Sarazin
- Colorado School of Mines, Golden, CO, USA
| | - R Sarmento
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - C Sarmiento-Cano
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - R Sato
- Observatorio Pierre Auger, Malargüe, Argentina
| | - P Savina
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France, France
- INFN, Sezione di Lecce, Lecce, Italy
- Università del Salento, Dipartimento di Matematica e Fisica "E. De Giorgi", Lecce, Italy
| | - C Schäfer
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | | | - H Schieler
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - M Schimassek
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany
| | - M Schimp
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - F Schlüter
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - D Schmidt
- Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany
| | - O Scholten
- Vrije Universiteit Brussels, Brussels, Belgium
- KVI-Center for Advanced Radiation Technology, University of Groningen, Groningen, The Netherlands
| | - P Schovánek
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - F G Schröder
- University of Delaware, Department of Physics and Astronomy, Bartol Research Institute, Newark, DE, USA
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - S Schröder
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - A Schulz
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - S J Sciutto
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - M Scornavacche
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - R C Shellard
- Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, RJ, Brazil
| | - G Sigl
- Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany
| | - G Silli
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - O Sima
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
- also at Radboud Universtiy Nijmegen, Nijmegen, The Netherlands
| | - R Šmída
- University of Chicago, Enrico Fermi Institute, Chicago, IL, USA
| | - P Sommers
- Pennsylvania State University, University Park, PA, USA
| | - J F Soriano
- Department of Physics and Astronomy, Lehman College, City University of New York, Bronx, NY, USA
| | - J Souchard
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France, France
| | - R Squartini
- Observatorio Pierre Auger, Malargüe, Argentina
| | - M Stadelmaier
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - D Stanca
- "Horia Hulubei" National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania
| | - S Stanič
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - J Stasielak
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - P Stassi
- Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France, France
| | - A Streich
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
- Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany
| | - M Suárez-Durán
- Universidad Industrial de Santander, Bucaramanga, Colombia
| | - T Sudholz
- University of Adelaide, Adelaide, S.A., Australia
| | - T Suomijärvi
- Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France, France
| | - A D Supanitsky
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - J Šupík
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - Z Szadkowski
- University of Łódź, Faculty of High-Energy Astrophysics,Łódź, Poland
| | - A Taboada
- Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany
| | - A Tapia
- Universidad de Medellín, Medellín, Colombia
| | - C Timmermans
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
- Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands
| | - O Tkachenko
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - P Tobiska
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - C J Todero Peixoto
- Universidade de São Paulo, Escola de Engenharia de Lorena, Lorena, SP, Brazil
| | - B Tomé
- Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal
| | - G Torralba Elipe
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - A Travaini
- Observatorio Pierre Auger, Malargüe, Argentina
| | - P Travnicek
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - C Trimarelli
- Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
| | - M Trini
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - M Tueros
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - R Ulrich
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - M Unger
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - M Urban
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - L Vaclavek
- Palacky University, RCPTM, Olomouc, Czech Republic
| | - M Vacula
- Palacky University, RCPTM, Olomouc, Czech Republic
| | | | - I Valiño
- INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy
- Gran Sasso Science Institute, L'Aquila, Italy
| | - L Valore
- INFN, Sezione di Napoli, Napoli, Italy
- Università di Napoli "Federico II", Dipartimento di Fisica "Ettore Pancini", Napoli, Italy
| | - A van Vliet
- IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands
| | - E Varela
- Benemérita Universidad Autónoma de Puebla, Puebla, México
| | | | | | - D Veberič
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - C Ventura
- Universidade Federal do Rio de Janeiro (UFRJ), Observatório do Valongo, Rio de Janeiro, RJ, Brazil
| | | | - V Verzi
- INFN, Sezione di Roma "Tor Vergata", Roma, Italy
| | - J Vicha
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - L Villaseñor
- Benemérita Universidad Autónoma de Puebla, Puebla, México
| | - J Vink
- Universiteit van Amsterdam, Faculty of Science, Amsterdam, The Netherlands
| | - S Vorobiov
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - H Wahlberg
- IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
| | - A A Watson
- School of Physics and Astronomy, University of Leeds, Leeds, United Kingdom
| | - M Weber
- Karlsruhe Institute of Technology, Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany
| | - A Weindl
- Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany
| | - L Wiencke
- Colorado School of Mines, Golden, CO, USA
| | - H Wilczyński
- Institute of Nuclear Physics PAN, Krakow, Poland
| | - T Winchen
- Vrije Universiteit Brussels, Brussels, Belgium
| | - M Wirtz
- RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
| | - D Wittkowski
- Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany
| | - B Wundheiler
- Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina
| | - A Yushkov
- Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - O Zapparrata
- Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - E Zas
- Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - D Zavrtanik
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - M Zavrtanik
- Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - L Zehrer
- Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia
| | - A Zepeda
- Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV), México, D.F., México
| | - M Ziolkowski
- Universität Siegen, Fachbereich 7 Physik-Experimentelle Teilchenphysik, Siegen, Germany
| | - F Zuccarello
- Università di Catania, Dipartimento di Fisica e Astronomia, Catania, Italy
- INFN, Sezione di Catania, Catania, Italy
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