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# The Pierre Auger Cosmic Ray Observatory

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 $10^{17}$ 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 km$^2$ overlooked by 24 air fluorescence telescopes. In addition, three high elevation fluorescence telescopes overlook a 23.5 km$^2$, 61 detector infill array. The Observatory has been in successful operation since completion in 2008 and has recorded data from an exposure exceeding 40,000 km$^2$ sr yr. This paper describes the design and performance of the detectors, related subsystems and infrastructure that make up the Auger Observatory.
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http://hal.in2p3.fr/in2p3-01114254
Contributor : Emmanuelle Vernay <>
Submitted on : Wednesday, October 11, 2017 - 2:46:05 PM
Last modification on : Thursday, November 19, 2020 - 12:59:13 PM
Long-term archiving on: : Friday, January 12, 2018 - 3:08:33 PM

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A. Aab, M. Avenier, C. Berat, S. Le Coz, D. Lebrun, et al.. The Pierre Auger Cosmic Ray Observatory. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Elsevier, 2015, 798, pp.172-213. ⟨10.1016/j.nima.2015.06.058⟩. ⟨in2p3-01114254⟩

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