Calibration of the underground muon detector of the Pierre Auger Observatory

To obtain direct measurements of the muon content of extensive air showers with energy above 1016.5 eV, the Pierre Auger Observatory is currently being equipped with an underground muon detector (UMD), consisting of 219 10 m2-modules, each segmented into 64 scintillators coupled to silicon photomult...

Descripción completa

Detalles Bibliográficos
Autores principales:	The Pierre Auger collaboration, Freire, M. M., Micheletti, M. I.
Formato:	article artículo publishedVersion
Lenguaje:	Inglés
Publicado:	IOP Publishing 2022
Materias:	Particle detectors Detector alignment and calibration methods Photon detectors for uvL Performance of high energy physics detectors Visible and ir photons
Acceso en línea:	http://hdl.handle.net/2133/23409 http://hdl.handle.net/2133/23409
Aporte de:	Repositorio Hipermedial de la Universidad Nacional de Rosario (UNR) de Universidad Nacional de Rosario

id	I15-R121-2133-23409
record_format	dspace
institution	Universidad Nacional de Rosario
institution_str	I-15
repository_str	R-121
collection	Repositorio Hipermedial de la Universidad Nacional de Rosario (UNR)
language	Inglés
orig_language_str_mv	eng
topic	Particle detectors Detector alignment and calibration methods Photon detectors for uvL Performance of high energy physics detectors Visible and ir photons
spellingShingle	Particle detectors Detector alignment and calibration methods Photon detectors for uvL Performance of high energy physics detectors Visible and ir photons The Pierre Auger collaboration Freire, M. M. Micheletti, M. I. Calibration of the underground muon detector of the Pierre Auger Observatory
topic_facet	Particle detectors Detector alignment and calibration methods Photon detectors for uvL Performance of high energy physics detectors Visible and ir photons
description	To obtain direct measurements of the muon content of extensive air showers with energy above 1016.5 eV, the Pierre Auger Observatory is currently being equipped with an underground muon detector (UMD), consisting of 219 10 m2-modules, each segmented into 64 scintillators coupled to silicon photomultipliers (SiPMs). Direct access to the shower muon content allows for the study of both of the composition of primary cosmic rays and of high-energy hadronic interactions in the forward direction. As the muon density can vary between tens of muons per m2 close to the intersection of the shower axis with the ground to much less than one per m2 when far away, the necessary broad dynamic range is achieved by the simultaneous implementation of two acquisition modes in the read-out electronics: the binary mode, tuned to count single muons, and the ADC mode, suited to measure a high number of them. In this work, we present the end-to-end calibration of the muon detector modules: first, the SiPMs are calibrated by means of the binary channel, and then, the ADC channel is calibrated using atmospheric muons, detected in parallel to the shower data acquisition. The laboratory and field measurements performed to develop the implementation of the full calibration chain of both binary and ADC channels are presented and discussed. The calibration procedure is reliable to work with the high amount of channels in the UMD, which will be operated continuously, in changing environmental conditions, for several years.
format	article artículo publishedVersion
author	The Pierre Auger collaboration Freire, M. M. Micheletti, M. I.
author_facet	The Pierre Auger collaboration Freire, M. M. Micheletti, M. I.
author_sort	The Pierre Auger collaboration
title	Calibration of the underground muon detector of the Pierre Auger Observatory
title_short	Calibration of the underground muon detector of the Pierre Auger Observatory
title_full	Calibration of the underground muon detector of the Pierre Auger Observatory
title_fullStr	Calibration of the underground muon detector of the Pierre Auger Observatory
title_full_unstemmed	Calibration of the underground muon detector of the Pierre Auger Observatory
title_sort	calibration of the underground muon detector of the pierre auger observatory
publisher	IOP Publishing
publishDate	2022
url	http://hdl.handle.net/2133/23409 http://hdl.handle.net/2133/23409
work_keys_str_mv	AT thepierreaugercollaboration calibrationoftheundergroundmuondetectorofthepierreaugerobservatory AT freiremm calibrationoftheundergroundmuondetectorofthepierreaugerobservatory AT michelettimi calibrationoftheundergroundmuondetectorofthepierreaugerobservatory
bdutipo_str	Repositorios
_version_	1764820412097626114

Calibration of the underground muon detector of the Pierre Auger Observatory

Ejemplares similares