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Extremely high energy cosmic rays and the Auger Observatory

Abstract : Over the last 30 years or so, a handful of events observed in ground-based cosmic ray detectors seem to have opened a new window in the field of high-energy astrophysics. These events have energies exceeding 5x10**19 eV (the region of the so-called Greisen-Zatsepin-Kuzmin spectral cutoff); they seem to come from no known astrophysical source; their chemical composition is mostly unknown; no conventional accelerating mechanism is considered as being able to explain their production and propagation to earth. Only a dedicated detector can bring in the high-quality and statistically significant data needed to solve this long-lasting puzzle: this is the aim of the Auger Observatory project around which a world-wide collaboration is being mobilized.
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Contributor : Dominique Girod <>
Submitted on : Wednesday, July 19, 2006 - 2:24:49 PM
Last modification on : Saturday, April 11, 2020 - 1:51:05 AM

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M. Boratav. Extremely high energy cosmic rays and the Auger Observatory. 7th International Workshop on Neutrino Telescopes, Feb 1996, Venise, Italy. pp.1-14. ⟨in2p3-00086691⟩



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