• This record comes from PubMed

Testing Hadronic Interactions at Ultrahigh Energies with Air Showers Measured by the Pierre Auger Observatory

. 2016 Nov 04 ; 117 (19) : 192001. [epub] 20161031

Status PubMed-not-MEDLINE Language English Country United States Media print-electronic

Document type Journal Article

Ultrahigh energy cosmic ray air showers probe particle physics at energies beyond the reach of accelerators. Here we introduce a new method to test hadronic interaction models without relying on the absolute energy calibration, and apply it to events with primary energy 6-16 EeV (E_{CM}=110-170 TeV), whose longitudinal development and lateral distribution were simultaneously measured by the Pierre Auger Observatory. The average hadronic shower is 1.33±0.16 (1.61±0.21) times larger than predicted using the leading LHC-tuned models EPOS-LHC (QGSJetII-04), with a corresponding excess of muons.

Benemérita Universidad Autónoma de Puebla Mexico

Bergische Universität Wuppertal Department of Physics Germany Germany

Case Western Reserve University Cleveland Ohio USA

Centro Atómico Bariloche and Instituto Balseiro Argentina

Centro Brasileiro de Pesquisas Fisicas Brazil

Centro de Investigación y de Estudios Avanzados del IPN Mexico

Centro de Investigaciones en Láseres y Aplicaciones CITEDEF and CONICET Argentina

Colorado School of Mines Golden Colorado USA

Colorado State University Fort Collins Colorado USA

Departamento de Física and Departamento de Ciencias de la Atmósfera y los Océanos FCEyN Universidad de Buenos Aires Argentina

Department of Physics and Astronomy Lehman College City University of New York Bronx New York USA

Experimental Particle Physics Department J Stefan Institute Slovenia

Fermi National Accelerator Laboratory Batavia Illinois USA

Horia Hulubei National Institute for Physics and Nuclear Engineering Romania

IFLP Universidad Nacional de La Plata and CONICET Argentina

INAF Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo Italy

INFN Laboratori del Gran Sasso Italy

INFN Sezione di Catania Italy

INFN Sezione di L'Aquila Italy

INFN Sezione di Lecce Italy

INFN Sezione di Milano Italy

INFN Sezione di Napoli Italy

INFN Sezione di Roma Tor Vergata Italy

INFN Sezione di Torino Italy

Institut de Physique Nucléaire d'Orsay Université Paris 11 CNRS IN2P3 France

Institute for Mathematics Astrophysics and Particle Physics Radboud Universiteit Nijmegen Netherlands

Institute of Nuclear Physics PAN Poland

Institute of Physics of the Academy of Sciences of the Czech Republic Czech Republic

Institute of Space Science Romania

Instituto de Astronomía y Física del Espacio Argentina

Instituto de Física de Rosario CONICET U N R and Facultad de Ciencias Bioquímicas y Farmacéuticas U N R Argentina

Instituto de Tecnologías en Detección y Astropartículas Argentina

Instituto de Tecnologías en Detección y Astropartículas Centro Atómico Constituyentes Comisión Nacional de Energía Atómica Argentina

Karlsruhe Institute of Technology Institut für Experimentelle Kernphysik Germany

Karlsruhe Institute of Technology Institut für Kernphysik Germany

Karlsruhe Institute of Technology Institut für Prozessdatenverarbeitung und Elektronik Germany

KVI Center for Advanced Radiation Technology University of Groningen Netherlands

Laboratoire de Physique Nucléaire et de Hautes Energies Universités Paris 6 et Paris 7 CNRS IN2P3 France

Laboratoire de Physique Subatomique et de Cosmologie Université Grenoble Alpes CNRS IN2P3 France

Laboratório de Instrumentação e Física Experimental de Partículas LIP and Instituto Superior Técnico IST Universidade de Lisboa UL Portugal

Laboratory for Astroparticle Physics University of Nova Gorica Slovenia

Louisiana State University Baton Rouge Louisiana USA

Max Planck Institut für Radioastronomie Bonn Germany

Michigan Technological University Houghton Michigan USA

Nationaal Instituut voor Kernfysica en Hoge Energie Fysica Netherlands

New York University New York New York USA

Northeastern University Boston Massachusetts USA

Observatorio Pierre Auger and Comisión Nacional de Energía Atómica Argentina

Observatorio Pierre Auger Argentina

Ohio State University Columbus Ohio USA

Osservatorio Astrofisico di Torino Torino Italy

Palacky University RCPTM Czech Republic

Pennsylvania State University University Park Pennsylvania USA

RWTH Aachen University 3 Physikalisches Institut A Germany

School of Physics and Astronomy University of Leeds Leeds United Kingdom

Station de Radioastronomie de Nançay France

Stichting Astronomisch Onderzoek in Nederland Dwingeloo Netherlands

SUBATECH École des Mines de Nantes CNRS IN2P3 Université de Nantes France

Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas del Instituto Politécnico Nacional Mexico

Universidad Autónoma de Chiapas Mexico

Universidad Complutense de Madrid Spain

Universidad de Alcalá de Henares Spain

Universidad de Granada and C A F P E Spain

Universidad de Santiago de Compostela Spain

Universidad Industrial de Santander Colombia

Universidad Michoacana de San Nicolás de Hidalgo Mexico

Universidad Nacional Autónoma de México Mexico

Universidad Tecnológica Nacional Facultad Regional Buenos Aires Argentina

Universidade de São Paulo Escola de Engenharia de Lorena Brazil

Universidade de São Paulo Inst de Física de São Carlos São Carlos Brazil

Universidade de São Paulo Inst de Física São Paulo Brazil

Universidade Estadual de Campinas Brazil

Universidade Estadual de Feira de Santana Brazil

Universidade Federal da Bahia Brazil

Universidade Federal de Pelotas Brazil

Universidade Federal do ABC Brazil

Universidade Federal do Paraná Setor Palotina Brazil

Universidade Federal do Rio de Janeiro Instituto de Física Brazil

Universidade Federal Fluminense Brazil

Università del Salento Dipartimento di Ingegneria Italy

Università del Salento Dipartimento di Matematica e Fisica E De Giorgi Italy

Università dell'Aquila Dipartimento di Chimica e Fisica Italy

Università di Catania Dipartimento di Fisica e Astronomia Italy

Università di Milano Dipartimento di Fisica Italy

Università di Napoli Federico 2 Dipartimento di Fisica Italy

Università di Roma Tor Vergata Dipartimento di Fisica Italy

Università Torino Dipartimento di Fisica Italy

Universität Hamburg 2 Institut für Theoretische Physik Germany

Universität Siegen Fachbereich 7 Physik Experimentelle Teilchenphysik Germany

University of Adelaide Australia

University of Bucharest Physics Department Romania

University of Chicago Chicago Illinois USA

University of Hawaii Honolulu Hawaii USA

University of Łódź Poland

University of Nebraska Lincoln Nebraska USA

University of New Mexico Albuquerque New Mexico USA

University Politehnica of Bucharest Romania

University Prague Institute of Particle and Nuclear Physics Czech Republic

References provided by Crossref.org

Find record

Citation metrics

Loading data ...

Archiving options

Loading data ...