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Naslov:Calibration of the underground muon detector of the Pierre Auger Observatory
Avtorji:Aab, A. (Avtor)
Filipčič, Andrej (Avtor)
Lundquist, Jon Paul (Avtor)
Stanič, Samo (Avtor)
Trini, Marta (Avtor)
Vorobiov, Serguei (Avtor)
Zavrtanik, Danilo (Avtor)
Zavrtanik, Marko (Avtor)
Zehrer, Lukas (Avtor)
Datoteke:URL https://iopscience.iop.org/article/10.1088/1748-0221/16/04/P04003
 
Jezik:Angleški jezik
Vrsta gradiva:Neznano ()
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:UNG - Univerza v Novi Gorici
Opis:To obtain direct measurements of the muon content of extensive air showers with energy above 10[sup]16.5 eV, the Pierre Auger Observatory is currently being equipped with an underground muon detector (UMD), consisting of 219 10 m[sup]2-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 m[sup]2 close to the intersection of the shower axis with the ground to much less than one per m[sup]2 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.
Ključne besede:ultra-high energy cosmic rays, extensive air showers (EAS), EAS muonic component, Pierre Auger Observatory, underground muon detector, detector calibration
Leto izida:2021
Št. strani:str. 1-24
Številčenje:no. 4, Vol. 16
COBISS_ID:59620099 Povezava se odpre v novem oknu
UDK:539.1
ISSN pri članku:1748-0221
URN:URN:SI:UNG:REP:YHGO9FM3
DOI:10.1088/1748-0221/16/04/P04003 Povezava se odpre v novem oknu
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Gradivo je del revije

Naslov:Journal of instrumentation
Založnik:Institute of Physics Publishing
ISSN:1748-0221
COBISS.SI-ID:21494567 Novo okno

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