Prototype high-resolution fly's eye cosmic ray detector

T. Abu-Zayyad*, M. Al-Seady, K. Belov, D. J. Bird, J. Boyer, G. Chen, R. W. Clay, H. Y. Dai, B. R. Dawson, Y. Ho, M. A. Huang, C. C.H. Jui, M. J. Kidd, D. B. Kieda, B. C. Knapp, W. Lee, E. C. Loh, E. J. Mannel, J. N. Matthews, T. A. O'HalloranA. Salman, K. M. Simpson, J. D. Smith, P. Sokolsky, P. Sommers, S. B. Thomas, L. R. Wiencke, C. R. Wilkinson, N. R. Wild

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

122 Scopus citations

Abstract

The High-Resolution Fly's Eye (HiRes) is an observatory for the highest energy cosmic rays. It detects the nitrogen fluorescence light induced by the passage of giant cosmic ray extensive air showers through the atmosphere. A two-site prototype of the observatory was operated from September 1994 to November 1996. In this paper we describe the components of that detector, and the procedures used to calibrate the detector and characterise the atmosphere. Data collected by the HiRes prototype are being used for physics studies, including an analysis of the cosmic ray mass composition in the energy range from 1017 to 1018 eV.

Original languageEnglish
Pages (from-to)253-269
Number of pages17
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume450
Issue number2
DOIs
StatePublished - 11 Aug 2000

Bibliographical note

Funding Information:
We are indebted to the staff of Dugway Proving Grounds for their continued cooperation and assistance. It is also a pleasure to acknowledge the support of the technical staff at our institutions. This work is funded in part by the National Science Foundation under grant numbers PHY 95-12810, 93-22298, 93-21949, 92-15987 and the Australian Research Council.

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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