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

Fabrizio Lucarelli; M. Camara; Pedro Antoranz; Jose Miguel Miranda Pantoja; Mariano Asensio; J. A. Barrio; Maria Victoria Fonseca Gonzalez

doi:10.1117/1.2336418

1 August 2006 Testbench to characterize pixels of the Major Atmospheric Gamma-ray Imaging Cherenkov (MAGIC) telescope

Fabrizio Lucarelli, M. Camara, Pedro Antoranz, Jose Miguel Miranda Pantoja, Mariano Asensio, J. A. Barrio, Maria Victoria Fonseca Gonzalez

Author Affiliations +

Optical Engineering, Vol. 45, Issue 8, 084003 (August 2006). https://doi.org/10.1117/1.2336418

Abstract

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.

©(2006) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Fabrizio Lucarelli, M. Camara, Pedro Antoranz, Jose Miguel Miranda Pantoja, Mariano Asensio, J. A. Barrio, and Maria Victoria Fonseca Gonzalez "Testbench to characterize pixels of the Major Atmospheric Gamma-ray Imaging Cherenkov (MAGIC) telescope," Optical Engineering 45(8), 084003 (1 August 2006). https://doi.org/10.1117/1.2336418

Published: 1 August 2006

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