- Záznam pochází z PubMed
Features of the Energy Spectrum of Cosmic Rays above 2.5×10^{18} eV Using the Pierre Auger Observatory
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- Pierre Auger Collaboration
Status PubMed-not-MEDLINE Jazyk angličtina Země Spojené státy americké Médium print
Typ dokumentu časopisecké články
PubMed
33016715
DOI
10.1103/physrevlett.125.121106
Knihovny.cz E-zdroje
- Publikační typ
- časopisecké články MeSH
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}.
Benemérita Universidad Autónoma de Puebla Puebla México
Bergische Universität Wuppertal Department of Physics Wuppertal Germany
Case Western Reserve University Cleveland OH USA
Center for Astrophysics and Cosmology University of Nova Gorica Nova Gorica Slovenia
Centro Atómico Bariloche and Instituto Balseiro San Carlos de Bariloche Argentina
Centro Brasileiro de Pesquisas Fisicas Rio de Janeiro RJ Brazil
Centro de Investigación y de Estudios Avanzados del IPN México D F México
Centro de Investigaciones en Láseres y Aplicaciones CITEDEF and CONICET Villa Martelli Argentina
Centro Federal de Educação Tecnológica Celso Suckow da Fonseca Nova Friburgo Brazil
Colorado School of Mines Golden CO USA
Colorado State University Fort Collins CO USA
Department of Physics and Astronomy Lehman College City University of New York Bronx NY USA
Experimental Particle Physics Department J Stefan Institute Ljubljana Slovenia
Fermi National Accelerator Laboratory USA
Gran Sasso Science Institute L'Aquila Italy
Horia Hulubei National Institute for Physics and Nuclear Engineering Bucharest Magurele Romania
IFLP Universidad Nacional de La Plata and CONICET La Plata Argentina
IMAPP Radboud University Nijmegen Nijmegen The Netherlands
INFN Laboratori Nazionali del Gran Sasso Assergi 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
Institute of Nuclear Physics PAN Krakow Poland
Institute of Physics of the Czech Academy of Sciences Prague Czech Republic
Institute of Space Science Bucharest Magurele Romania
Instituto de Astronomía y Física del Espacio Buenos Aires Argentina
Instituto de Tecnologías en Detección y Astropartículas Buenos Aires Argentina
Instituto de Tecnologías en Detección y Astropartículas Mendoza Argentina
Karlsruhe Institute of Technology Institut für Kernphysik Karlsruhe Germany
Karlsruhe Institute of Technology Institute for Experimental Particle Physics Karlsruhe Germany
Karlsruhe Institute of Technology Karlsruhe Germany
KVI Center for Advanced Radiation Technology University of Groningen Groningen The Netherlands
Louisiana State University Baton Rouge LA USA
lso at Radboud Universtiy Nijmegen Nijmegen The Netherlands
Max Planck Institut für Radioastronomie Bonn Germany
Michigan Technological University Houghton MI USA
Nationaal Instituut voor Kernfysica en Hoge Energie Fysica Science Park Amsterdam The Netherlands
New York University New York NY USA
Observatorio Pierre Auger and Comisión Nacional de Energía Atómica Malargüe Argentina
Observatorio Pierre Auger Malargüe Argentina
Osservatorio Astrofisico di Torino Torino Italy
Palacky University RCPTM Olomouc Czech Republic
Pennsylvania State University University Park PA USA
Politecnico di Milano Dipartimento di Scienze e Tecnologie Aerospaziali Milano Italy
RWTH Aachen University 3 Physikalisches Institut A Aachen Germany
School of Physics and Astronomy University of Leeds Leeds United Kingdom
Stichting Astronomisch Onderzoek in Nederland Dwingeloo The Netherlands
Universidad Autónoma de Chiapas Tuxtla Gutiérrez Chiapas México
Universidad de Granada and C A F P E Granada Spain
Universidad de Medellín Medellín Colombia
Universidad Industrial de Santander Bucaramanga Colombia
Universidad Nacional Autónoma de México México D F México
Universidad Tecnológica Nacional Facultad Regional Buenos Aires Buenos Aires Argentina
Universidade de São Paulo Escola de Engenharia de Lorena Lorena SP Brazil
Universidade de São Paulo Instituto de Física de São Carlos São Carlos SP Brazil
Universidade de São Paulo Instituto de Física São Paulo SP Brazil
Universidade Estadual de Campinas IFGW Campinas SP Brazil
Universidade Estadual de Feira de Santana Feira de Santana Brazil
Universidade Federal de Alfenas Poços de Caldas Brazil
Universidade Federal do ABC Santo André SP Brazil
Universidade Federal do Paraná Setor Palotina Palotina Brazil
Universidade Federal do Rio de Janeiro Instituto de Física Rio de Janeiro RJ Brazil
Universidade Federal do Rio de Janeiro Observatório do Valongo Rio de Janeiro RJ Brazil
Universidade Federal Fluminense EEIMVR Volta Redonda RJ Brazil
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 Catania Italy
Università di Milano Dipartimento di Fisica Milano Italy
Università di Napoli Federico 2 Dipartimento di Fisica Ettore Pancini Napoli Italy
Università di Roma Tor Vergata Dipartimento di Fisica Roma Italy
Università Torino Dipartimento di Fisica Torino Italy
Universität Hamburg 2 Institut für Theoretische Physik Hamburg Germany
Universität Siegen Fachbereich 7 Physik Experimentelle Teilchenphysik Siegen Germany
Université Libre de Bruxelles Brussels Belgium
Université Paris Saclay CNRS IN2P3 IJCLab Orsay France France
Universiteit van Amsterdam Faculty of Science Amsterdam The Netherlands
University of Adelaide Adelaide S A Australia
University of Chicago Enrico Fermi Institute Chicago IL USA
University of Delaware Department of Physics and Astronomy Bartol Research Institute Newark DE USA
University of Łódź Faculty of Astrophysics Łódź Poland
University of Łódź Faculty of High Energy Astrophysics Łódź Poland
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