Properties and performance of the prototype instrument for the Pierre Auger Observatory

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doi:10.1016/j.nima.2003.12.012

Construction of the first stage of the Pierre Auger Observatory has begun. The aim of the Observatory is to collect unprecedented information about cosmic rays above 10(18) eV. The first phase of the project, the construction and operation of a prototype system, known as the engineering array, has now been completed. It has allowed all of the sub-systems that will be used in the full instrument to be tested under field conditions. In this paper, the properties and performance of these sub-systems are described and their success illustrated with descriptions of some of the events recorded thus far. (C) 2003 Elsevier B.V. All rights reserved. RI Zavrtanik, Marko/A-1524-2008; Song, Chihwa/A-3455-2008; Aramo, Carla/D-4317-2011; Beatty, James/D-9310-2011; Kemp, Ernesto/H-1502-2011; Chiavassa, Andrea/A-7597-2012; Verzi, Valerio/B-1149-2012; Chinellato, Carola Dobrigkeit /F-2540-2011; Barbosa, Henrique/F-3499-2012; Fauth, Anderson/F-9570-2012; de souza, Vitor/D-1381-2012; Shellard, Ronald/G-4825-2012; Wiebusch, Christopher/G-6490-2012; Miele, Gennaro/F-3628-2010; fulgione, walter/I-5232-2012; Ratti, Lodovico/I-8836-2012; Chinellato, Jose Augusto/I-7972-2012; Kopmann, Andreas/B-3454-2013 OI Zavrtanik, Marko/0000-0001-5606-6912; Shellard, Ronald/0000-0002-2983-1815;