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The Pierre Auger Cosmic Ray Observatory

  • The Pierre Auger Collaboration Pierre Auger Collaboration
  • Universität Siegen
  • Instituto Superior Tecnico
  • Università di Torino and Sezione INFN
  • Fermilab
  • Université Paris 11
  • Université Paris 11
  • University of São Paulo
  • Instituto Balseiro
  • New York University
  • Ohio State University
  • Instituto de Tecnologías en Detección y Astropartículas (CNEA CONICET UNSAM)
  • Universidad Tecnológica Nacional
  • Universidad Nacional Autonoma de Mexico
  • Universidad de Santiago de Compostela
  • Universität Hamburg
  • Università di Napoli 'Federico II' and Sezione INFN
  • Radboud University Nijmegen
  • Lehman College
  • Universidad Complutense de Madrid
  • UCLA
  • Laboratori Nazionali del Gran Sasso
  • Karlsruhe Institute of Technology (KIT)
  • Laboratoire de Physique Nucléaire et de Hautes Energies
  • UJF-Grenoble 1/CNRS-INSU
  • UNSAM
  • University Politehnica of Bucharest
  • University of Adelaide
  • Centro Brasileiro de Pesquisas Fisicas
  • Bergische Universität Wuppertal
  • University of Wisconsin-Madison
  • Max-Planck-Institut für Radioastronomie

Research output: Contribution to journalArticlepeer-review

892 Scopus citations

Abstract

The Pierre Auger Observatory, located on a vast, high plain in western Argentina, is the world's largest cosmic ray observatory. The objectives of the Observatory are to probe the origin and characteristics of cosmic rays above 1017 eV and to study the interactions of these, the most energetic particles observed in nature. The Auger design features an array of 1660 water Cherenkov particle detector stations spread over 3000 km2 overlooked by 24 air fluorescence telescopes. In addition, three high elevation fluorescence telescopes overlook a 23.5 km2, 61-detector infilled array with 750 m spacing. The Observatory has been in successful operation since completion in 2008 and has recorded data from an exposure exceeding 40,000 km2 sr yr. This paper describes the design and performance of the detectors, related subsystems and infrastructure that make up the Observatory.

Original languageBritish English
Pages (from-to)172-213
Number of pages42
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume798
DOIs
StatePublished - 21 Oct 2015

Keywords

  • Air fluorescence detectors
  • High energy cosmic rays
  • Hybrid observatory
  • Pierre Auger Observatory
  • Water Cherenkov detectors

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