Testbench to characterize pixels of the Major Atmospheric Gamma-ray Imaging Cherenkov (MAGIC) telescope | Zendy

F. Lucarelli | Zendy; Miguel Cámara | Zendy; P. Antoranz | Zendy; J. M. Miranda | Zendy; M. Asensio | Zendy; J. A. Barrio | Zendy; M. V. Fonseca | Zendy

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Testbench to characterize pixels of the Major Atmospheric Gamma-ray Imaging Cherenkov (MAGIC) telescope

Author(s) -

F. Lucarelli,

Miguel Cámara,

P. Antoranz,

J. M. Miranda,

M. Asensio,

J. A. Barrio,

M. V. Fonseca

Publication year - 2006

Publication title -

optical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.357

H-Index - 105

eISSN - 1560-2303

pISSN - 0091-3286

DOI - 10.1117/1.2336418

Subject(s) - photomultiplier , cherenkov radiation , physics , telescope , scintillator , optics , magic (telescope) , detector , silicon photomultiplier , cherenkov telescope array , cherenkov detector , scintillation counter , particle detector , astronomy

Photomultipliers have a wide range of applications, from nuclear medicine to nuclear physics. In particular, they are commonly used in high energy physics and astrophysics. The Major Atmospheric Gamma-ray Imaging Cherenkov (MAGIC) telescope is an example of their applications. This work presents a test system for the characterization of the transient response of the photomultipliers used as fast light detectors in the telescope. The bias of the photomultiplier is described, taking into account its effects in the response to fast light pulses. Two methods are used to generate these pulses: 1. a specifically designed pulse generator, and 2. a plastic scintillator. For the former case, we also calculate the anode charge we expect in this setup to cross-check it with the actual measurements. (c) 2006 Society of Photo-Optical Instrumentation Engineers

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