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A high resolution imaging detector for TeV gamma-ray astronomy |
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| Authors: | M. F. Cawley D. J. Fegan K. Harris A. M. Hillas P. W. Kwok R. C. Lamb M. J. Lang D. A. Lewis D. Macomb P. T. Reynolds D. J. Schmid G. Vacanti T. C. Weekes |
| Affiliation: | (1) Physics Department, St. Patrick's College, Maynooth, Co. Kildare, Ireland;(2) Physics Department, University College, Belfield, 4 Dublin, Ireland;(3) Harvard-Smithsonian Center for Astrophysics, Whipple Observatory, 85645-0097 Amado, AZ, USA;(4) Physics Department, University of Leeds, LS2 9JT Leeds, U.K.;(5) Physics Department, Iowa State University, 50011 Ames, IA, USA;(6) Present address: Physics Department, University of Minnesota, 55455 Minneapolis, MN, USA |
| Abstract: | Details are presented of an atmospheric Cherenkov telescope for use in very high energy gamma-ray astronomy which consists of a cluster of 109 close-packed photomultiplier tubes at the focus of a 10 meter optical reflector. The images of the Cherenkov flashes generated both by gamma-ray and charged cosmic-ray events are digitized and recorded. Subsequent off-line analysis of the images improves the significance of the signal to noise ratio by a factor of 10 compared with non-imaging techniques. |
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