Response of the Pierre Auger ObservatoryWater Cherenkov detectors to muons

M. Aglietta, P. Allison, E. C. Andres, F. Arneodo, X. Bertou, C. Bonifazi, N. Busca, A. Creusot, O. Deligny, D. Dornic, B. Genolini, P. L. Ghia, C. M. Grunfeld, I. Lhenry-Yvon, P. O. Mazur, E. Moreno, G. Perez, H. Salazar, T. Suomijärvi

Research output: Contribution to conferencePaperpeer-review

Abstract

Two test detectors similar to the Pierre Auger Observatory Water Cherenkov Detectors have been installed at the Observatory site and at the Institut de Physique Nucléaire d'Orsay. The signals from the tanks are read out using three 9" photomultipliers and analyzed by both a digital oscilloscope with high sampling frequency and the Auger surface detector electronics. Additionally, the detectors are equipped with plastic scintillators serving as muon telescopes. The trigger is provided either by the muon telescope or by the coincidence of the three PMTs. The scintillators are movable allowing the study of the detector response to atmospheric muons arriving with different incident angles. In this paper, the results of measurements for vertical and inclined background muons are presented. These results are compared to simulations and important calibration parameters are extracted. The influence of the direct light detected by the PMTs, particularly important for inclined showers, is discussed.

Original languageEnglish (US)
Pages83-86
Number of pages4
StatePublished - 2005
Event29th International Cosmic Ray Conference, ICRC 2005 - Pune, India
Duration: Aug 3 2005Aug 10 2005

Other

Other29th International Cosmic Ray Conference, ICRC 2005
Country/TerritoryIndia
CityPune
Period8/3/058/10/05

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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