Measuring the muon content of inclined air showers using AERA and the particle detector of the Pierre Auger Observatory

Abreu, P.; Filipčič, Andrej; Lundquist, Jon Paul; Stanič, Samo; Vorobiov, Serguei; Zavrtanik, Danilo; Zavrtanik, Marko; Zehrer, Lukas

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Title:	Measuring the muon content of inclined air showers using AERA and the particle detector of the Pierre Auger Observatory
Authors:	ID Abreu, P. (Author) ID Filipčič, Andrej (Author) ID Lundquist, Jon Paul (Author) ID Stanič, Samo (Author) ID Vorobiov, Serguei (Author) ID Zavrtanik, Danilo (Author) ID Zavrtanik, Marko (Author) ID Zehrer, Lukas (Author), et al.
Files:	ARENA2022_049.pdf (534,45 KB) MD5: 2D095B97BD35796D60A30ECB964ED829 https://doi.org/10.22323/1.424.0049 https://pos.sissa.it/424/049 This document has even more files. Complete list of files is available below.
Language:	English
Work type:	Unknown
Typology:	1.08 - Published Scientific Conference Contribution
Organization:	UNG - University of Nova Gorica
Abstract:	A first measurement of the muon content of air showers using hybrid measurements combining radio and particle detection is presented. For inclined air showers with zenith angles above 60°, the water-Cherenkov detector (WCD) of the Pierre Auger Observatory performs an almost pure measurement of the muonic component, whereas the Auger Engineering Radio Array (AERA) allows reconstructing the electromagnetic energy independently using the radio emission of the air shower. The analysis of more than six years of AERA data shows a deficit of muons predicted by all current-generation hadronic interaction models for energies between 4 EeV and 20 EeV. This deficit, already observed in previous analyses of Auger, is now confirmed for the first time with radio data. This analysis is limited by low statistics of only 59 high-quality events due to the small area of AERA of 17 km² and the high energy threshold of 4 EeV originating from the WCD reconstruction. With the AugerPrime Radio Detector currently being deployed, this analysis can be extended to the highest energies to allow for in-depth tests of hadronic interaction models with large statistics.
Keywords:	Pierre Auger Observatory, ultra-high-energy cosmic rays, extensive air showers, engineering radio array
Publication status:	Published
Publication version:	Version of Record
Year of publishing:	2023
Number of pages:	Str. 1-7
PID:	20.500.12556/RUNG-9377
COBISS.SI-ID:	210077699
UDC:	52
ISSN on article:	1824-8039
DOI:	10.22323/1.424.0049
NUK URN:	URN:SI:UNG:REP:HYUFOTNM
Publication date in RUNG:	03.10.2024
Views:	936
Downloads:	3
Metadata:
:	ABREU, P., FILIPČIČ, Andrej, LUNDQUIST, Jon Paul, STANIČ, Samo, VOROBIOV, Serguei, ZAVRTANIK, Danilo, ZAVRTANIK, Marko and ZEHRER, Lukas, 2023, Measuring the muon content of inclined air showers using AERA and the particle detector of the Pierre Auger Observatory. In : 9th International Workshop on Acoustic and Radio EeV Neutrino Detection Activities [also] ARENA2022 [online]. Published Scientific Conference Contribution. 2023. p. 1–7. [Accessed 7 April 2025]. Retrieved from: https://repozitorij.ung.si/IzpisGradiva.php?lang=eng&id=9377 Copy citation

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Record is a part of a proceedings

Title:	9th International Workshop on Acoustic and Radio EeV Neutrino Detection Activities [also] ARENA2022
COBISS.SI-ID:	210073347

Record is a part of a journal

Title:	Proceedings of science
Shortened title:	Pos proc. sci.
Publisher:	Sissa
ISSN:	1824-8039
COBISS.SI-ID:	20239655

Document is financed by a project

Funder:	ARIS - Slovenian Research and Innovation Agency
Project number:	P1-0031
Name:	Večglasniška astrofizika

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