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The Trigger System of the H.E.S.S. Telescope Array

Abstract : H.E.S.S. -- The High Energy Stereoscopic System-- is a new system of large atmospheric Cherenkov telescopes for GeV/TeV Gamma-ray astronomy. This paper describes the trigger system of H.E.S.S. with emphasis on the multi-telescope array level trigger. The system trigger requires the simultaneous detection of air-showers by several telescopes at the hardware level. This requirement allows a suppression of background events which in turn leads to a lower system energy threshold for the detection of Gamma-rays. The implementation of the H.E.S.S. trigger system is presented along with data taken to characterise its performance.
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Submitted on : Tuesday, May 29, 2007 - 1:08:50 PM
Last modification on : Friday, April 10, 2020 - 4:56:09 PM

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S. Funk, G. Hermann, J. Hinton, D. Berge, K. Bernloehr, et al.. The Trigger System of the H.E.S.S. Telescope Array. Astroparticle Physics, Elsevier, 2004, 22, pp.285-296. ⟨10.1016/j.astropartphys.2004.08.001⟩. ⟨in2p3-00150055⟩



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