FADC signal reconstruction for the MAGIC telescope



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Antoranz Canales, Pedro and Barrio Uña, Juan Abel and Contreras González, José Luis and Fonseca González, Mª Victoria and López Moya, Marcos and Miranda Pantoja, José Miguel and Nieto, Daniel (2008) FADC signal reconstruction for the MAGIC telescope. Nuclear instruments & methods in physics research. Section A, Accelerators spectrometers detectors and associated equipment, 594 (3). pp. 407-419. ISSN 0168-9002

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Official URL: http://dx.doi.org/10.1016/j.nima.2008.06.043


Until April 2007 the Major Atmospheric Gamma ray Imaging Cherenkov (MAGIC) telescope used a 300 MSamples/s flash analog-to-digital converter (FADC) system to sample the shaped photomultiplier tube (PMT) signals produced by the captured Cherenkov photons of air showers. Different algorithms to reconstruct the signal from the read-out samples (extractors) have been implemented and are described and compared. Criteria based on the obtained charge and time resolution/bias are defined and used to judge the different extractors, by applying them to calibration, cosmic and pedestal signals. The achievable charge and time resolution have been derived as functions of the number of incident photoelectrons. (C) 2008 Elsevier B.V. All rights reserved.

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© Elsevier Science. We would like to thank the IAC for the excellent working conditions at the Observatory de los Muchachos in La Palma. The support of the German BMBF and MPG, the Italian INFN and the Spanish CICYT is gratefully acknowledged. The MAGIC telescope is also supported by ETH Research Grant TH 34/04 3 and the Polish MNil Grant 1P03D01028.

Uncontrolled Keywords:Gamma-Ray Astronomy, Calibration, System, Tests.
Subjects:Sciences > Physics > Electronics
Sciences > Physics > Electricity
Sciences > Physics > Nuclear physics
ID Code:23105
Deposited On:11 Oct 2013 10:53
Last Modified:10 Dec 2018 14:58

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