Features of the Energy Spectrum of Cosmic Rays above 2.5×10^{18}  eV Using the Pierre Auger Observatory.

Autor: Aab A; IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands., Abreu P; Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal., Aglietta M; Osservatorio Astrofisico di Torino (INAF), Torino, Italy.; INFN, Sezione di Torino, Torino, Italy., Albury JM; University of Adelaide, Adelaide, S.A., Australia., Allekotte I; Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina., Almela A; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina.; Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina., Alvarez Castillo J; Universidad Nacional Autónoma de México, México, D.F., México., Alvarez-Muñiz J; Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain., Alves Batista R; IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands., Anastasi GA; INFN, Sezione di Torino, Torino, Italy.; Università Torino, Dipartimento di Fisica, Torino, Italy., Anchordoqui L; Department of Physics and Astronomy, Lehman College, City University of New York, Bronx, NY, USA., Andrada B; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina., Andringa S; Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal., Aramo C; INFN, Sezione di Napoli, Napoli, Italy., Araújo Ferreira PR; RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany., Asorey H; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina., Assis P; Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal., Avila G; Observatorio Pierre Auger, Malargüe, Argentina.; Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina., Badescu AM; University Politehnica of Bucharest, Bucharest, Romania., Bakalova A; Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic., Balaceanu A; 'Horia Hulubei' National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania., Barbato F; INFN, Sezione di Napoli, Napoli, Italy.; Università di Napoli 'Federico II', Dipartimento di Fisica 'Ettore Pancini', Napoli, Italy., Barreira Luz RJ; Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal., Becker KH; Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany., Bellido JA; University of Adelaide, Adelaide, S.A., Australia., Berat C; Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France, France., Bertaina ME; INFN, Sezione di Torino, Torino, Italy.; Università Torino, Dipartimento di Fisica, Torino, Italy., Bertou X; Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina., Biermann PL; Max-Planck-Institut für Radioastronomie, Bonn, Germany., Bister T; RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany., Biteau J; Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France, France., Blanco A; Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal., Blazek J; Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic., Bleve C; Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France, France., Boháčová M; Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic., Boncioli D; Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy.; INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy., Bonifazi C; Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, RJ, Brazil., Bonneau Arbeletche L; Universidade de São Paulo, Instituto de Física, São Paulo, SP, Brazil., Borodai N; Institute of Nuclear Physics PAN, Krakow, Poland., Botti AM; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina., Brack J; Colorado State University, Fort Collins, CO, USA., Bretz T; RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany., Briechle FL; RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany., Buchholz P; Universität Siegen, Fachbereich 7 Physik-Experimentelle Teilchenphysik, Siegen, Germany., Bueno A; Universidad de Granada and C.A.F.P.E., Granada, Spain., Buitink S; Vrije Universiteit Brussels, Brussels, Belgium., Buscemi M; Università di Catania, Dipartimento di Fisica e Astronomia, Catania, Italy.; INFN, Sezione di Catania, Catania, Italy., Caballero-Mora KS; Universidad Autónoma de Chiapas, Tuxtla Gutiérrez, Chiapas, México., Caccianiga L; Università di Milano, Dipartimento di Fisica, Milano, Italy.; INFN, Sezione di Milano, Milano, Italy., Calcagni L; IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina., Cancio A; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina.; Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina., Canfora F; IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands.; Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands., Caracas I; Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany., Carceller JM; Universidad de Granada and C.A.F.P.E., Granada, Spain., Caruso R; Università di Catania, Dipartimento di Fisica e Astronomia, Catania, Italy.; INFN, Sezione di Catania, Catania, Italy., Castellina A; Osservatorio Astrofisico di Torino (INAF), Torino, Italy.; INFN, Sezione di Torino, Torino, Italy., Catalani F; Universidade de São Paulo, Escola de Engenharia de Lorena, Lorena, SP, Brazil., Cataldi G; INFN, Sezione di Lecce, Lecce, Italy., Cazon L; Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal., Cerda M; Observatorio Pierre Auger, Malargüe, Argentina., Chinellato JA; Universidade Estadual de Campinas, IFGW, Campinas, SP, Brazil., Choi K; Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain., Chudoba J; Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic., Chytka L; Palacky University, RCPTM, Olomouc, Czech Republic., Clay RW; University of Adelaide, Adelaide, S.A., Australia., Cobos Cerutti AC; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional-Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina., Colalillo R; INFN, Sezione di Napoli, Napoli, Italy.; Università di Napoli 'Federico II', Dipartimento di Fisica 'Ettore Pancini', Napoli, Italy., Coleman A; University of Delaware, Department of Physics and Astronomy, Bartol Research Institute, Newark, DE, USA., Coluccia MR; INFN, Sezione di Lecce, Lecce, Italy.; Università del Salento, Dipartimento di Matematica e Fisica 'E. De Giorgi', Lecce, Italy., Conceição R; Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal., Condorelli A; INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy.; Gran Sasso Science Institute, L'Aquila, Italy., Consolati G; INFN, Sezione di Milano, Milano, Italy.; Politecnico di Milano, Dipartimento di Scienze e Tecnologie Aerospaziali, Milano, Italy., Contreras F; Observatorio Pierre Auger, Malargüe, Argentina.; Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina., Convenga F; INFN, Sezione di Lecce, Lecce, Italy.; Università del Salento, Dipartimento di Matematica e Fisica 'E. De Giorgi', Lecce, Italy., Covault CE; Case Western Reserve University, Cleveland, OH, USA.; also at Radboud Universtiy Nijmegen, Nijmegen, The Netherlands., Dasso S; 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., Daumiller K; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Dawson BR; University of Adelaide, Adelaide, S.A., Australia., Day JA; University of Adelaide, Adelaide, S.A., Australia., de Almeida RM; Universidade Federal Fluminense, EEIMVR, Volta Redonda, RJ, Brazil., de Jesús J; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina.; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., de Jong SJ; IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands.; Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands., De Mauro G; IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands.; Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands., de Mello Neto JRT; 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., De Mitri I; INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy.; Gran Sasso Science Institute, L'Aquila, Italy., de Oliveira J; Universidade Federal Fluminense, EEIMVR, Volta Redonda, RJ, Brazil., de Oliveira Franco D; Universidade Estadual de Campinas, IFGW, Campinas, SP, Brazil., de Souza V; Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, SP, Brazil., De Vito E; INFN, Sezione di Lecce, Lecce, Italy.; Università del Salento, Dipartimento di Matematica e Fisica 'E. De Giorgi', Lecce, Italy., Debatin J; Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany., Del Río M; Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina., Deligny O; Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France, France., Dembinski H; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Dhital N; Institute of Nuclear Physics PAN, Krakow, Poland., Di Giulio C; Università di Roma 'Tor Vergata', Dipartimento di Fisica, Roma, Italy.; INFN, Sezione di Roma 'Tor Vergata', Roma, Italy., Di Matteo A; INFN, Sezione di Torino, Torino, Italy., Díaz Castro ML; Universidade Estadual de Campinas, IFGW, Campinas, SP, Brazil., Dobrigkeit C; Universidade Estadual de Campinas, IFGW, Campinas, SP, Brazil., D'Olivo JC; Universidad Nacional Autónoma de México, México, D.F., México., Dorosti Q; Universität Siegen, Fachbereich 7 Physik-Experimentelle Teilchenphysik, Siegen, Germany., Dos Anjos RC; Universidade Federal do Paraná, Setor Palotina, Palotina, Brazil., Dova MT; IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina., Ebr J; Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic., Engel R; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany.; Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany., Epicoco I; INFN, Sezione di Lecce, Lecce, Italy.; Università del Salento, Dipartimento di Matematica e Fisica 'E. De Giorgi', Lecce, Italy., Erdmann M; RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany., Escobar CO; Fermi National Accelerator Laboratory, USA., Etchegoyen A; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina.; Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina., Falcke H; 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., Farmer J; University of Chicago, Enrico Fermi Institute, Chicago, IL, USA., Farrar G; New York University, New York, NY, USA., Fauth AC; Universidade Estadual de Campinas, IFGW, Campinas, SP, Brazil., Fazzini N; Fermi National Accelerator Laboratory, USA., Feldbusch F; Karlsruhe Institute of Technology, Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany., Fenu F; INFN, Sezione di Torino, Torino, Italy.; Università Torino, Dipartimento di Fisica, Torino, Italy., Fick B; Michigan Technological University, Houghton, MI, USA., Figueira JM; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina., Filipčič A; Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia.; Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia., Fodran T; IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands., Freire MM; Instituto de Física de Rosario (IFIR)-CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina., Fujii T; 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., Fuster A; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina.; Universidad Tecnológica Nacional-Facultad Regional Buenos Aires, Buenos Aires, Argentina., Galea C; IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands., Galelli C; Università di Milano, Dipartimento di Fisica, Milano, Italy.; INFN, Sezione di Milano, Milano, Italy., García B; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), and Universidad Tecnológica Nacional-Facultad Regional Mendoza (CONICET/CNEA), Mendoza, Argentina., Garcia Vegas AL; RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany., Gemmeke H; Karlsruhe Institute of Technology, Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany., Gesualdi F; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina.; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Gherghel-Lascu A; 'Horia Hulubei' National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania., Ghia PL; Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France, France., Giaccari U; IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands., Giammarchi M; INFN, Sezione di Milano, Milano, Italy., Giller M; University of Łódź, Faculty of Astrophysics, Łódź, Poland., Glombitza J; RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany., Gobbi F; Observatorio Pierre Auger, Malargüe, Argentina., Gollan F; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina., Golup G; Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina., Gómez Berisso M; Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina., Gómez Vitale PF; Observatorio Pierre Auger, Malargüe, Argentina.; Observatorio Pierre Auger and Comisión Nacional de Energía Atómica, Malargüe, Argentina., Gongora JP; Observatorio Pierre Auger, Malargüe, Argentina., González N; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina., Goos I; Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina.; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Góra D; Institute of Nuclear Physics PAN, Krakow, Poland., Gorgi A; Osservatorio Astrofisico di Torino (INAF), Torino, Italy.; INFN, Sezione di Torino, Torino, Italy., Gottowik M; Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany., Grubb TD; University of Adelaide, Adelaide, S.A., Australia., Guarino F; INFN, Sezione di Napoli, Napoli, Italy.; Università di Napoli 'Federico II', Dipartimento di Fisica 'Ettore Pancini', Napoli, Italy., Guedes GP; Universidade Estadual de Feira de Santana, Feira de Santana, Brazil., Guido E; INFN, Sezione di Torino, Torino, Italy.; Università Torino, Dipartimento di Fisica, Torino, Italy., Hahn S; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina.; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Halliday R; Case Western Reserve University, Cleveland, OH, USA., Hampel MR; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina., Hansen P; IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina., Harari D; Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina., Harvey VM; University of Adelaide, Adelaide, S.A., Australia., Haungs A; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Hebbeker T; RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany., Heck D; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Hill GC; University of Adelaide, Adelaide, S.A., Australia., Hojvat C; Fermi National Accelerator Laboratory, USA., Hörandel JR; IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands.; Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands., Horvath P; Palacky University, RCPTM, Olomouc, Czech Republic., Hrabovský M; Palacky University, RCPTM, Olomouc, Czech Republic., Huege T; Vrije Universiteit Brussels, Brussels, Belgium.; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Hulsman J; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina.; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Insolia A; Università di Catania, Dipartimento di Fisica e Astronomia, Catania, Italy.; INFN, Sezione di Catania, Catania, Italy., Isar PG; Institute of Space Science, Bucharest-Magurele, Romania., Johnsen JA; Colorado School of Mines, Golden, CO, USA., Jurysek J; Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic., Kääpä A; Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany., Kampert KH; Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany., Keilhauer B; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Kemp J; RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany., Klages HO; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Kleifges M; Karlsruhe Institute of Technology, Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany., Kleinfeller J; Observatorio Pierre Auger, Malargüe, Argentina., Köpke M; Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany., Kukec Mezek G; Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia., Lago BL; Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, Nova Friburgo, Brazil., LaHurd D; Case Western Reserve University, Cleveland, OH, USA., Lang RG; Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, SP, Brazil., Leigui de Oliveira MA; Universidade Federal do ABC, Santo André, SP, Brazil., Lenok V; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Letessier-Selvon A; Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Universités Paris 6 et Paris 7, CNRS-IN2P3, Paris, France., Lhenry-Yvon I; Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France, France., Lo Presti D; Università di Catania, Dipartimento di Fisica e Astronomia, Catania, Italy.; INFN, Sezione di Catania, Catania, Italy., Lopes L; Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal., López R; Benemérita Universidad Autónoma de Puebla, Puebla, México., Lorek R; Case Western Reserve University, Cleveland, OH, USA., Luce Q; Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany., Lucero A; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina., Machado Payeras A; Universidade Estadual de Campinas, IFGW, Campinas, SP, Brazil., Malacari M; University of Chicago, Enrico Fermi Institute, Chicago, IL, USA., Mancarella G; INFN, Sezione di Lecce, Lecce, Italy.; Università del Salento, Dipartimento di Matematica e Fisica 'E. De Giorgi', Lecce, Italy., Mandat D; Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic., Manning BC; University of Adelaide, Adelaide, S.A., Australia., Manshanden J; Universität Hamburg, II. Institut für Theoretische Physik, Hamburg, Germany., Mantsch P; Fermi National Accelerator Laboratory, USA., Marafico S; Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France, France., Mariazzi AG; IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina., Mariş IC; Université Libre de Bruxelles (ULB), Brussels, Belgium., Marsella G; INFN, Sezione di Lecce, Lecce, Italy.; Università del Salento, Dipartimento di Matematica e Fisica 'E. De Giorgi', Lecce, Italy., Martello D; INFN, Sezione di Lecce, Lecce, Italy.; Università del Salento, Dipartimento di Matematica e Fisica 'E. De Giorgi', Lecce, Italy., Martinez H; Universidade de São Paulo, Instituto de Física de São Carlos, São Carlos, SP, Brazil., Martínez Bravo O; Benemérita Universidad Autónoma de Puebla, Puebla, México., Mastrodicasa M; Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy.; INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy., Mathes HJ; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Matthews J; Louisiana State University, Baton Rouge, LA, USA., Matthiae G; Università di Roma 'Tor Vergata', Dipartimento di Fisica, Roma, Italy.; INFN, Sezione di Roma 'Tor Vergata', Roma, Italy., Mayotte E; Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany., Mazur PO; Fermi National Accelerator Laboratory, USA., Medina-Tanco G; Universidad Nacional Autónoma de México, México, D.F., México., Melo D; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina., Menshikov A; Karlsruhe Institute of Technology, Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany., Merenda KD; Colorado School of Mines, Golden, CO, USA., Michal S; Palacky University, RCPTM, Olomouc, Czech Republic., Micheletti MI; Instituto de Física de Rosario (IFIR)-CONICET/U.N.R. and Facultad de Ciencias Bioquímicas y Farmacéuticas U.N.R., Rosario, Argentina., Miramonti L; Università di Milano, Dipartimento di Fisica, Milano, Italy.; INFN, Sezione di Milano, Milano, Italy., Mockler D; Université Libre de Bruxelles (ULB), Brussels, Belgium., Mollerach S; Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina., Montanet F; Université Grenoble Alpes, CNRS, Grenoble Institute of Engineering Université Grenoble Alpes, LPSC-IN2P3, 38000 Grenoble, France, France., Morello C; Osservatorio Astrofisico di Torino (INAF), Torino, Italy.; INFN, Sezione di Torino, Torino, Italy., Mostafá M; Pennsylvania State University, University Park, PA, USA., Müller AL; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina.; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Muller MA; 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., Mulrey K; Vrije Universiteit Brussels, Brussels, Belgium., Mussa R; INFN, Sezione di Torino, Torino, Italy., Muzio M; New York University, New York, NY, USA., Namasaka WM; Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany., Nellen L; Universidad Nacional Autónoma de México, México, D.F., México., Nguyen PH; University of Adelaide, Adelaide, S.A., Australia., Niculescu-Oglinzanu M; 'Horia Hulubei' National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania., Niechciol M; Universität Siegen, Fachbereich 7 Physik-Experimentelle Teilchenphysik, Siegen, Germany., Nitz D; Michigan Technological University, Houghton, MI, USA.; Karlsruhe Institute of Technology, Karlsruhe, Germany., Nosek D; Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic., Novotny V; Charles University, Faculty of Mathematics and Physics, Institute of Particle and Nuclear Physics, Prague, Czech Republic., Nožka L; Palacky University, RCPTM, Olomouc, Czech Republic., Nucita A; INFN, Sezione di Lecce, Lecce, Italy.; Università del Salento, Dipartimento di Matematica e Fisica 'E. De Giorgi', Lecce, Italy., Núñez LA; Universidad Industrial de Santander, Bucaramanga, Colombia., Palatka M; Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic., Pallotta J; Centro de Investigaciones en Láseres y Aplicaciones, CITEDEF and CONICET, Villa Martelli, Argentina., Panetta MP; INFN, Sezione di Lecce, Lecce, Italy.; Università del Salento, Dipartimento di Matematica e Fisica 'E. De Giorgi', Lecce, Italy., Papenbreer P; Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany., Parente G; Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain., Parra A; Benemérita Universidad Autónoma de Puebla, Puebla, México., Pech M; Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic., Pedreira F; Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain., Pȩkala J; Institute of Nuclear Physics PAN, Krakow, Poland., Pelayo R; Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas del Instituto Politécnico Nacional (UPIITA-IPN), México, D.F., México., Peña-Rodriguez J; Universidad Industrial de Santander, Bucaramanga, Colombia., Perez Armand J; Universidade de São Paulo, Instituto de Física, São Paulo, SP, Brazil., Perlin M; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina.; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Perrone L; INFN, Sezione di Lecce, Lecce, Italy.; Università del Salento, Dipartimento di Matematica e Fisica 'E. De Giorgi', Lecce, Italy., Peters C; RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany., Petrera S; INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy.; Gran Sasso Science Institute, L'Aquila, Italy., Pierog T; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Pimenta M; Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal., Pirronello V; Università di Catania, Dipartimento di Fisica e Astronomia, Catania, Italy.; INFN, Sezione di Catania, Catania, Italy., Platino M; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina., Pont B; IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands., Pothast M; IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands.; Nationaal Instituut voor Kernfysica en Hoge Energie Fysica (NIKHEF), Science Park, Amsterdam, The Netherlands., Privitera P; University of Chicago, Enrico Fermi Institute, Chicago, IL, USA., Prouza M; Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic., Puyleart A; Michigan Technological University, Houghton, MI, USA., Querchfeld S; Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany., Rautenberg J; Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany., Ravignani D; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina., Reininghaus M; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina.; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Ridky J; Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic., Riehn F; Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal., Risse M; Universität Siegen, Fachbereich 7 Physik-Experimentelle Teilchenphysik, Siegen, Germany., Ristori P; Centro de Investigaciones en Láseres y Aplicaciones, CITEDEF and CONICET, Villa Martelli, Argentina., Rizi V; Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy.; INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy., Rodrigues de Carvalho W; Universidade de São Paulo, Instituto de Física, São Paulo, SP, Brazil., Rodriguez Fernandez G; Università di Roma 'Tor Vergata', Dipartimento di Fisica, Roma, Italy.; INFN, Sezione di Roma 'Tor Vergata', Roma, Italy., Rodriguez Rojo J; Observatorio Pierre Auger, Malargüe, Argentina., Roncoroni MJ; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina., Roth M; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Roulet E; Centro Atómico Bariloche and Instituto Balseiro (CNEA-UNCuyo-CONICET), San Carlos de Bariloche, Argentina., Rovero AC; Instituto de Astronomía y Física del Espacio (IAFE, CONICET-UBA), Buenos Aires, Argentina., Ruehl P; Universität Siegen, Fachbereich 7 Physik-Experimentelle Teilchenphysik, Siegen, Germany., Saffi SJ; University of Adelaide, Adelaide, S.A., Australia., Saftoiu A; 'Horia Hulubei' National Institute for Physics and Nuclear Engineering, Bucharest-Magurele, Romania., Salamida F; Università dell'Aquila, Dipartimento di Scienze Fisiche e Chimiche, L'Aquila, Italy.; INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy., Salazar H; Benemérita Universidad Autónoma de Puebla, Puebla, México., Salina G; INFN, Sezione di Roma 'Tor Vergata', Roma, Italy., Sanabria Gomez JD; Universidad Industrial de Santander, Bucaramanga, Colombia., Sánchez F; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina., Santos EM; Universidade de São Paulo, Instituto de Física, São Paulo, SP, Brazil., Santos E; Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic., Sarazin F; Colorado School of Mines, Golden, CO, USA., Sarmento R; Laboratório de Instrumentação e Física Experimental de Partículas-LIP and Instituto Superior Técnico-IST, Universidade de Lisboa-UL, Lisboa, Portugal., Sarmiento-Cano C; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina., Sato R; Observatorio Pierre Auger, Malargüe, Argentina., Savina P; 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., Schäfer C; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Scherini V; INFN, Sezione di Lecce, Lecce, Italy., Schieler H; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Schimassek M; 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., Schimp M; Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany., Schlüter F; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina.; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Schmidt D; Karlsruhe Institute of Technology, Institute for Experimental Particle Physics (ETP), Karlsruhe, Germany., Scholten O; Vrije Universiteit Brussels, Brussels, Belgium.; KVI-Center for Advanced Radiation Technology, University of Groningen, Groningen, The Netherlands., Schovánek P; Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic., Schröder FG; University of Delaware, Department of Physics and Astronomy, Bartol Research Institute, Newark, DE, USA.; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Schröder S; Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany., Schulz A; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Sciutto SJ; IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina., Scornavacche M; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina.; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Shellard RC; Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, RJ, Brazil., Sigl G; Universität Hamburg, II. 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Physikalisches Institut A, Aachen, Germany., Vaclavek L; Palacky University, RCPTM, Olomouc, Czech Republic., Vacula M; Palacky University, RCPTM, Olomouc, Czech Republic., Valdés Galicia JF; Universidad Nacional Autónoma de México, México, D.F., México., Valiño I; INFN Laboratori Nazionali del Gran Sasso, Assergi (L'Aquila), Italy.; Gran Sasso Science Institute, L'Aquila, Italy., Valore L; INFN, Sezione di Napoli, Napoli, Italy.; Università di Napoli 'Federico II', Dipartimento di Fisica 'Ettore Pancini', Napoli, Italy., van Vliet A; IMAPP, Radboud University Nijmegen, Nijmegen, The Netherlands., Varela E; Benemérita Universidad Autónoma de Puebla, Puebla, México., Vargas Cárdenas B; Universidad Nacional Autónoma de México, México, D.F., México., Vásquez-Ramírez A; Universidad Industrial de Santander, Bucaramanga, Colombia., Veberič D; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Ventura C; Universidade Federal do Rio de Janeiro (UFRJ), Observatório do Valongo, Rio de Janeiro, RJ, Brazil., Vergara Quispe ID; IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina., Verzi V; INFN, Sezione di Roma 'Tor Vergata', Roma, Italy., Vicha J; Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic., Villaseñor L; Benemérita Universidad Autónoma de Puebla, Puebla, México., Vink J; Universiteit van Amsterdam, Faculty of Science, Amsterdam, The Netherlands., Vorobiov S; Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia., Wahlberg H; IFLP, Universidad Nacional de La Plata and CONICET, La Plata, Argentina., Watson AA; School of Physics and Astronomy, University of Leeds, Leeds, United Kingdom., Weber M; Karlsruhe Institute of Technology, Institut für Prozessdatenverarbeitung und Elektronik, Karlsruhe, Germany., Weindl A; Karlsruhe Institute of Technology, Institut für Kernphysik, Karlsruhe, Germany., Wiencke L; Colorado School of Mines, Golden, CO, USA., Wilczyński H; Institute of Nuclear Physics PAN, Krakow, Poland., Winchen T; Vrije Universiteit Brussels, Brussels, Belgium., Wirtz M; RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany., Wittkowski D; Bergische Universität Wuppertal, Department of Physics, Wuppertal, Germany., Wundheiler B; Instituto de Tecnologías en Detección y Astropartículas (CNEA, CONICET, UNSAM), Buenos Aires, Argentina., Yushkov A; Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic., Zapparrata O; Université Libre de Bruxelles (ULB), Brussels, Belgium., Zas E; Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain., Zavrtanik D; Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia.; Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia., Zavrtanik M; Experimental Particle Physics Department, J. Stefan Institute, Ljubljana, Slovenia.; Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia., Zehrer L; Center for Astrophysics and Cosmology (CAC), University of Nova Gorica, Nova Gorica, Slovenia., Zepeda A; Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV), México, D.F., México., Ziolkowski M; Universität Siegen, Fachbereich 7 Physik-Experimentelle Teilchenphysik, Siegen, Germany., Zuccarello F; Università di Catania, Dipartimento di Fisica e Astronomia, Catania, Italy.; INFN, Sezione di Catania, Catania, Italy.
Jazyk: angličtina
Zdroj: Physical review letters [Phys Rev Lett] 2020 Sep 18; Vol. 125 (12), pp. 121106.
DOI: 10.1103/PhysRevLett.125.121106
Abstrakt: 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}.
Databáze: MEDLINE