Large-area atmospheric Cherenkov detectors for high-energy gamma-ray astronomy |
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Institution: | (1) The Enrico Fermi Institute, The University of Chicago, 60637 Chicago, IL, USA |
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Abstract: | Summary This paper describes the development of new ground-based gammaray detectors to explore the energy region between 20 and 200
GeV. This region in energy is interesting because it is currently unexplored by any experiment. The proposed detectors use
the atmospheric Cherenkov technique, in which Cherenkov radiation produced in the gamma-ray air showers is detected using
mirrors and light-sensitive devices. The important feature of the proposed experiments is the use of large mirror collection
areas, which should allow for a significant improvement (i.e. reduction) in energy threshold over existing experiments. Large mirror areas are available for relatively low cost at central
tower solar power plants, and there are two groups developing gamma-ray experiments using solar heliostat arrays. This paper
summarizes the progress in the design of experiments using this novel approach.
Paper presented at the Special Session on ground-based gamma-ray astronomy of the XXIV International Cosmic-Ray Conference,
Rome, August 28–September 8, 1995. |
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Keywords: | Cosmic rays |
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