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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 |
| Institution: | (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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