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NECTAr: New electronics for the Cherenkov Telescope Array

Abstract : The European astroparticle physics community aims to design and build the next generation array of Imaging Atmospheric Cherenkov Telescopes (IACTs), that will benefit from the experience of the existing H.E.S.S. and MAGIC detectors, and further expand the very-high energy astronomy domain. In order to gain an order of magnitude in sensitivity in the 10 GeV to >100TeV range, the Cherenkov Telescope Array (CTA) will employ 50-100 mirrors of various sizes equipped with 1000-4000 channels per camera, to be compared with the 6000 channels of the final H.E.S.S. array. A 3-year program, started in 2009, aims to build and test a demonstrator module of a generic CTA camera. We present here the NECTAr design of front-end electronics for the CTA, adapted to the trigger and data acquisition of a large IACTs array, with simple production and maintenance. Cost and camera performances are optimized by maximizing integration of the front-end electronics (amplifiers, fast analog samplers, ADCs) in an ASIC, achieving several GS/s and a few μs readout dead-time. We present preliminary results and extrapolated performances from Monte Carlo simulations.
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Contributor : Serguei Vorobiov <>
Submitted on : Friday, April 20, 2012 - 5:29:07 PM
Last modification on : Sunday, November 1, 2020 - 1:24:02 PM



S. Vorobiov, J. Bolmont, P. Corona, E. Delagnes, F. Feinstein, et al.. NECTAr: New electronics for the Cherenkov Telescope Array. Seventh International Workshop on Ring Imaging Cherenkov Detectors, May 2010, Cassis, France. pp.62-64, ⟨10.1016/j.nima.2010.08.112⟩. ⟨in2p3-00690004⟩



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