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https://hdl.handle.net/2440/107484
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Type: | Journal article |
Title: | Muon counting using silicon photomultipliers in the AMIGA detector of the Pierre Auger observatory |
Author: | The Pierre Auger collaboration, Aab, A. Abreu, P. Aglietta, M. Ahn, E. Al Samarai, I. Albuquerque, I. Allekotte, I. Allison, P. Almela, A. Alvarez Castillo, J. Alvarez-Muñiz, J. Ambrosio, M. Anastasi, G. Anchordoqui, L. Andrada, B. Andringa, S. Aramo, C. Arqueros, F. Arsene, N. et al. |
Citation: | Journal of Instrumentation, 2017; 12(3):P03002-1-P03002-24 |
Publisher: | IOP Publishing |
Issue Date: | 2017 |
ISSN: | 1748-0221 1748-0221 |
Statement of Responsibility: | A. Aab ... J.A. Bellido ... S.G. Blaess ... R.W. Clay ... M.J. Cooper ... B.R. Dawson ... T.D. Grubb ... T.A. Harrison ... G.C. Hill ... M. Malacari ... P.H. Nguyen ... S.J. Saffi ... J. Sorokin ...T. Sudholz ... P. van Bodegom ... et al. (The Pierre Auger collaboration) |
Abstract: | AMIGA (Auger Muons and Infill for the Ground Array) is an upgrade of the Pierre Auger Observatory designed to extend its energy range of detection and to directly measure the muon content of the cosmic ray primary particle showers. The array will be formed by an infill of surface water-Cherenkov detectors associated with buried scintillation counters employed for muon counting. Each counter is composed of three scintillation modules, with a 10m2 detection area per module. In this paper, a new generation of detectors, replacing the current multi-pixel photomultiplier tube (PMT) with silicon photo sensors (aka. SiPMs), is proposed. The selection of the new device and its front-end electronics is explained. A method to calibrate the counting system that ensures the performance of the detector is detailed. This method has the advantage of being able to be carried out in a remote place such as the one where the detectors are deployed. High efficiency results, i.e. 98% efficiency for the highest tested overvoltage, combined with a low probability of accidental counting (~2 %), show a promising performance for this new system. |
Keywords: | Pattern recognition, cluster finding, calibration and fitting methods; Performance of High Energy Physics Detectors; Front-end electronics for detector readout; Photon detectors for UV, visible and IR photons (solid-state) (PIN diodes, APDs, Si-PMTs, G-APDs, CCDs, EBCCDs, EMCCDs etc) |
Description: | Published: March 3, 2017 |
Rights: | © 2017 IOP Publishing Ltd and Sissa Medialab srl |
DOI: | 10.1088/1748-0221/12/03/P03002 |
Grant ID: | ARC |
Published version: | http://dx.doi.org/10.1088/1748-0221/12/03/p03002 |
Appears in Collections: | Aurora harvest 3 Physics publications |
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