Energy Spectrum of Ultrahigh-Energy Cosmic Rays across Declinations −9⁢0° to +44.8° as Measured at the Pierre Auger Observatory

Journal:

Physical Review Letters

Published:

2025-12-09

DOI:

10.1103/p4l5-hxlf

Affiliations:

97

Authors:

363

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Institutions	Authors	Share
Karlsruhe Institute of Technology (KIT), Germany	31.833333 31.833333 31.833333 31.833333	0.09
Institute of Physics (FZU), CAS, Czech Republic	29.000000 29.000000 29.000000	0.08
Instituto de Tecnologías en Detección y Astropartículas (ITeDA), Argentina	22.000000 22.000000 22.000000	0.06
University of Wuppertal, Germany	15.000000 15.000000	0.04
Radboud University Nijmegen (RU), Netherlands	10.333333 10.333333	0.03
Instituto Galego de Física de Altas Enerxías (IGFAE), Spain	9.000000	0.02
RWTH Aachen University (RWTH Aachen), Germany	8.000000	0.02
INFN Gran Sasso National Laboratory (LNGS), Italy	7.000000	0.02
Colorado School of Mines, United States of America (USA)	7.000000	0.02
The Henryk Niewodniczanski Institute of Nuclear Physics (IFJ PAN), PAS, Poland	7.000000	0.02
INFN Section in Lecce, Italy	7.000000	0.02
University of Siegen, Germany	7.000000	0.02
The University of Adelaide (Adelaide Uni), Australia	6.000000	0.02
INFN Section in Torino, Italy	6.000000	0.02
Balseiro Institute, Argentina	6.000000	0.02
Palacky University (PU), Czech Republic	6.000000	0.02
Instituto de Física La Plata (IFLP CONICET-UNLP), Argentina	6.000000	0.02
Laboratory of Instrumentation and Experimental Particle Physics (LIP), Portugal	5.833333	0.02
University of Lisbon (ULISBOA), Portugal	5.833333	0.02
Gran Sasso Science Institute (GSSI), Italy	5.500000	0.02
Laboratoire de Physique des 2 infinis Irène Joliot-Curie (IJCLab), France	5.500000	0.02
University of Nova Gorica (UNG), Slovenia	5.500000	0.02
National Institute for Subatomic Physics (Nikhef), Netherlands	5.333333	0.01
National Atomic Energy Commission (CNEA), Argentina	5.000000	0.01
State University of Campinas (UNICAMP), Brazil	5.000000	0.01
University of São Paulo (USP), Brazil	5.000000	0.01
Federal University of Rio de Janeiro (UFRJ), Brazil	5.000000	0.01
INFN Section in Catania, Italy	4.500000	0.01
Institute of Experimental Particle Physics (ETP), KIT, Germany	4.500000	0.01
Pierre Auger Observatory, Argentina	4.000000	0.01
University of Salento, Italy	4.000000	0.01
National Autonomous University of Mexico (UNAM), Mexico	4.000000	0.01
University of L'Aquila (UNIVAQ), Italy	3.500000	0.01
Université Libre de Bruxelles (ULB), Belgium	3.500000	0.01
University of Delaware (UD), United States of America (USA)	3.500000	0.01
INFN Section in Roma Tor Vergata, Italy	3.500000	0.01
National Technological University (UTN), Argentina	3.000000	0.01
INFN Section in Napoli, Italy	3.000000	0.01
Laboratoire de Physique Subatomique et de Cosmologie (LPSC), France	3.000000	0.01
Free University of Brussels (VUB), Belgium	3.000000	0.01
University of Hamburg (UHH), Germany	3.000000	0.01
Michigan Technological University (Michigan Tech), United States of America (USA)	3.000000	0.01
The University of Chicago (UChicago), United States of America (USA)	3.000000	0.01
Fermi National Accelerator Laboratory (Fermilab), United States of America (USA)	3.000000	0.01
Charles University (CU), Czech Republic	3.000000	0.01
Industrial University of Santander (UIS), Colombia	3.000000	0.01
INFN Section in Milano, Italy	2.833333	0.01
University of Catania, Italy	2.500000	0.01
University of Milan (UNIMI), Italy	2.333333	0.01
INAF - Astronomical Observatory of Turin (OATO), Italy	2.000000	0.01
University of Turin (UNITO), Italy	2.000000	0.01
Instituto de Física Rosario (IFIR CONICET-UNR), Argentina	2.000000	0.01
University of Naples Federico II (UNINA), Italy	2.000000	0.01
UNIDEF, CITEDEF-CONICET, Argentina	2.000000	0.01
University of Lodz (UL), Poland	2.000000	0.01
Benemérita Universidad Autónoma de Puebla (BUAP), Mexico	2.000000	0.01
Jozef Stefan Institute (IJS), Slovenia	1.500000	0.00
University of Palermo (UNIPA), Italy	1.500000	0.00
Institute for Research in Astronomy and Astrophysics (IAFE CONICET-UBA), Argentina	1.333333	0.00
Brazilian Center for Research in Physics (CBPF), MCTIC, Brazil	1.333333	0.00
Herbert H. Lehman College of the City University of New York (CUNY Lehman College), United States of America (USA)	1.000000	0.00
Universidad Michoacana de San Nicolás de Hidalgo (UMSNH), Mexico	1.000000	0.00
Max Planck Institute for Radio Astronomy (MPIFR), Germany	1.000000	0.00
Institute of Physical Sciences (ICIFI UNSAM-CONICET), Argentina	1.000000	0.00
Colorado State University, United States of America (USA)	1.000000	0.00
University of Granada (UGR), Spain	1.000000	0.00
Universidad Autónoma de Chiapas (UNACH), Mexico	1.000000	0.00
Case Western Reserve University (CWRU), United States of America (USA)	1.000000	0.00
Federal Institute of Education, Science and Technology of Rio de Janeiro (IFRJ), Brazil	1.000000	0.00
Federal University of Paraná (UFPR), Brazil	1.000000	0.00
New York University (NYU), United States of America (USA)	1.000000	0.00
State University of Feira de Santana (UEFS), Brazil	1.000000	0.00
Institute of Space Science (ISS), Romania	1.000000	0.00
Federal Center for Technological Education Celso Suckow da Fonseca (CEFET-RJ), Brazil	1.000000	0.00
Federal University of ABC (UFABC), Brazil	1.000000	0.00
Laboratory Nuclear and High-Energy Physics (LPNHE), France	1.000000	0.00
Louisiana State University (LSU), United States of America (USA)	1.000000	0.00
National Polytechnic Institute (IPN), Mexico	1.000000	0.00
Federal University of Campina Grande (UFCG), Brazil	1.000000	0.00
Horia Hulubei National Institute of Physics and Nuclear Engineering (IFIN HH), Romania	1.000000	0.00
The Pennsylvania State University (Penn State), United States of America (USA)	1.000000	0.00
University of Medellin (UdeM), Colombia	1.000000	0.00
University of Amsterdam (UvA), Netherlands	1.000000	0.00
University of Leeds, United Kingdom (UK)	1.000000	0.00
University Institute of France (IUF), France	0.500000	0.00
Polytechnic University of Milan, Italy	0.500000	0.00
University of Rome Tor Vergata, Italy	0.500000	0.00
INAF - Institute of Space Astrophysics and Cosmic Physics of Palermo (IASF Palermo), Italy	0.500000	0.00
University of Buenos Aires (UBA), Argentina	0.333333	0.00
National Scientific and Technical Research Council (CONICET), Argentina	0.333333	0.00
ASTRON Netherlands Institute for Radio Astronomy, NWO-I, Netherlands	0.333333	0.00

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