| Naslov: | Measuring the muon content of inclined air showers using AERA and the water-Cherenkov detector array of the Pierre Auger Observatory |
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| Avtorji: | ID Gottowik, Marvin (Avtor)
ID Filipčič, Andrej (Avtor)
ID Lundquist, Jon Paul (Avtor)
ID Shivashankara, Shima Ujjani (Avtor)
ID Stanič, Samo (Avtor)
ID Vorobiov, Serguei (Avtor)
ID Zavrtanik, Danilo (Avtor)
ID Zavrtanik, Marko (Avtor), et al. |
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| Datoteke: |  ICRC2023_345.pdf (1,49 MB)
MD5: 55AA8110EF5FF24AE5B6F53A33FDCC13
 https://pos.sissa.it/444/
https://pos.sissa.it/444/345/pdf
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| Jezik: | Angleški jezik |
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| Vrsta gradiva: | Neznano |
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| Tipologija: | 1.08 - Objavljeni znanstveni prispevek na konferenci |
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| Organizacija: | UNG - Univerza v Novi Gorici
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| Opis: | In this proceeding, we present a proof of principle study for estimating the number of muons of inclined air showers proportional to their energy using hybrid radio and particle detection. We use the radiation energy of an air shower to estimate its electromagnetic energy and measure the muon number independently with the water-Cherenkov detector array (WCD) of the Pierre Auger Observatory. We select 32 high-quality events in almost six years of data with electromagnetic energies above 4 EeV to ensure full efficiency for the WCD reconstruction. The muon content in data is found to be compatible with the one for an iron primary as predicted by current-generation hadronic interaction models. This can be interpreted as a deficit of muons in simulations as a lighter mass composition is expected from �max measurements. Such a muon deficit was already
observed in previous analyses of the Auger collaboration and is now confirmed for the first time with radio data. Currently, this analysis is limited by low statistics due to the small area of AERA of 17 km^2 and the high energy threshold. We will outline the advantages of using radio detection instead of the Auger Fluorescence Detector in future analyses allowing for high-statistic measurements of the muon content as a function of energy. |
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| Ključne besede: | ultra-high energy cosmic rays, Pierre Auger Observatory, AERA, water-Cherenkov detector |
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| Status publikacije: | Objavljeno |
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| Verzija publikacije: | Objavljena publikacija |
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| Datum objave: | 01.01.2023 |
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| Leto izida: | 2023 |
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| Št. strani: | str. 1-13 |
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| PID: | 20.500.12556/RUNG-8796  |
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| COBISS.SI-ID: | 182101251 |
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| UDK: | 52 |
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| ISSN pri članku: | 1824-8039 |
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| DOI: | 10.22323/1.444.0345 |
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| NUK URN: | URN:SI:UNG:REP:PGNVNBZU |
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| Datum objave v RUNG: | 23.01.2024 |
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| Število ogledov: | 317 |
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| Število prenosov: | 6 |
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| Metapodatki: |     |
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