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Univerza v Novi Gorici
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Repozitorij Univerze v Novi Gorici
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Naslov:
The depth of the shower maximum of air showers measured with AERA
Avtorji:
ID
Pont, Bjarni
(Avtor)
ID
Filipčič, Andrej
(Avtor)
ID
Lundquist, Jon Paul
(Avtor)
ID
Stanič, Samo
(Avtor)
ID
Vorobiov, Serguei
(Avtor)
ID
Zavrtanik, Danilo
(Avtor)
ID
Zavrtanik, Marko
(Avtor)
ID
Zehrer, Lukas
(Avtor), et al.
Datoteke:
ARENA2022_044.pdf
(507,88 KB)
MD5: 44B400109FB31B244FB8B50C2C9B6C39
https://doi.org/10.22323/1.424.0044
https://pos.sissa.it/424/044
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Jezik:
Angleški jezik
Vrsta gradiva:
Neznano
Tipologija:
1.08 - Objavljeni znanstveni prispevek na konferenci
Organizacija:
UNG - Univerza v Novi Gorici
Opis:
The Auger Engineering Radio Array (AERA) is an array of 153 radio antennas spanning an area of 17 sq. km, currently the largest of its kind, that probes the nature of ultra-high energy cosmic rays at energies around the transition from Galactic to extra-galactic origin. It measures the MHz radio emission of extensive air showers produced by cosmic rays hitting our atmosphere. The elemental composition of cosmic rays is a crucial piece of information in determining what the sources of cosmic rays are and how cosmic rays are accelerated. This composition can be obtained from the mass-sensitive parameter Xmax, the depth of the shower maximum. We reconstruct Xmax with a likelihood analysis by comparing the measured radio footprint on the ground to an ensemble of footprints from Monte-Carlo CORSIKA/CoREAS air shower simulations. We compare our Xmax reconstruction with fluorescence Xmax measurements on a per-event basis, a setup unique to the Pierre Auger Observatory, and show the methods to be compatible. Furthermore, we extensively validate our reconstruction by identifying and correcting for systematic uncertainties. We determine the resolution of our method as a function of energy and reach a precision better than 15 g/cm[sup]2 at the highest energies. With a bias-free set of around 600 showers, we find a light to light-mixed composition at energies between 10[sup]17.5 to 10[sup]18.8 eV, also in agreement with Auger fluorescence measurements.
Ključne besede:
Pierre Auger Observatory
,
ultra-high-energy cosmic rays
,
extensive air showers
,
UHECR mass composition
Status publikacije:
Objavljeno
Verzija publikacije:
Objavljena publikacija
Leto izida:
2023
Št. strani:
Str. 1-8
PID:
20.500.12556/RUNG-9380
COBISS.SI-ID:
210084867
UDK:
52
ISSN pri članku:
1824-8039
DOI:
10.22323/1.424.0044
NUK URN:
URN:SI:UNG:REP:IUE1GWNM
Datum objave v RUNG:
03.10.2024
Število ogledov:
403
Število prenosov:
5
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Gradivo je del zbornika
Naslov:
9th International Workshop on Acoustic and Radio EeV Neutrino Detection Activities [also] ARENA2022
COBISS.SI-ID:
210073347
Gradivo je del revije
Naslov:
Proceedings of science
Skrajšan naslov:
Pos proc. sci.
Založnik:
Sissa
ISSN:
1824-8039
COBISS.SI-ID:
20239655
Gradivo je financirano iz projekta
Financer:
ARIS - Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije
Številka projekta:
P1-0031
Naslov:
Večglasniška astrofizika
Licence
Licenca:
CC BY-NC-ND 4.0, Creative Commons Priznanje avtorstva-Nekomercialno-Brez predelav 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by-nc-nd/4.0/deed.sl
Opis:
Najbolj omejujoča licenca Creative Commons. Uporabniki lahko prenesejo in delijo delo v nekomercialne namene in ga ne smejo uporabiti za nobene druge namene.
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