Overview of hadronic interaction studies at the Pierre Auger Observatory

Vícha, Jakub; Filipčič, Andrej; Lundquist, Jon Paul; Shivashankara, Shima Ujjani; Stanič, Samo; Vorobiov, Serguei; Zavrtanik, Danilo; Zavrtanik, Marko

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Naslov:	Overview of hadronic interaction studies at the Pierre Auger Observatory
Avtorji:	ID Vícha, Jakub (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.
Datoteke:	UHECR2024_034.pdf (782,91 KB) MD5: E33938A27BEC9E5FD8E0565B60E8D2DE https://doi.org/10.22323/1.484.0034 https://pos.sissa.it/484/034/pdf To gradivo ima še več datotek. Celoten seznam je na voljo spodaj.
Jezik:	Angleški jezik
Vrsta gradiva:	Neznano
Tipologija:	1.08 - Objavljeni znanstveni prispevek na konferenci
Organizacija:	UNG - Univerza v Novi Gorici
Opis:	The combination of fluorescence and surface detectors at the Pierre Auger Observatory offers unprecedented precision in testing models of hadronic interactions at center-of-mass energies around 70 TeV and beyond. However, for some time, discrepancies between model predictions and measured air-shower data have complicated efforts to accurately determine the mass composition of ultra-high-energy cosmic rays. A key inconsistency is the deficit of simulated signals compared to those measured with the surface detectors, typically interpreted as a deficit in the muon signal generated by the hadronic component of simulated showers. Recently, a new global method has been applied to the combined data from the surface and fluorescence detectors at the Pierre Auger Observatory. This method simultaneously determines the mass composition of cosmic rays and evaluates variations in the simulated depth of the shower maximum and hadronic signals on the ground. The findings reveal not only the alleviated muon problem but also show that all current models of hadronic interactions predict depths of the shower maximum that are too shallow, offering new insights into deficiencies in these models from a broader perspective.
Ključne besede:	ultra-high-energy cosmic rays, Pierre Auger Observatory, extensive air showers, hadronic interactions
Status publikacije:	Objavljeno
Verzija publikacije:	Objavljena publikacija
Leto izida:	2025
Št. strani:	7 str.
PID:	20.500.12556/RUNG-9947
COBISS.SI-ID:	230627331
UDK:	52
ISSN pri članku:	1824-8039
DOI:	10.22323/1.484.0034
NUK URN:	URN:SI:UNG:REP:0PA49WGB
Datum objave v RUNG:	28.03.2025
Število ogledov:	173
Število prenosov:	5
Metapodatki:
:	VÍCHA, Jakub, FILIPČIČ, Andrej, LUNDQUIST, Jon Paul, SHIVASHANKARA, Shima Ujjani, STANIČ, Samo, VOROBIOV, Serguei, ZAVRTANIK, Danilo in ZAVRTANIK, Marko, 2025, Overview of hadronic interaction studies at the Pierre Auger Observatory. V : UHECR 2024, The 7th International Symposium on Ultra-High-Energy Cosmic Rays [na spletu]. Objavljeni znanstveni prispevek na konferenci. 2025. [Dostopano 4 april 2025]. Pridobljeno s: https://repozitorij.ung.si/IzpisGradiva.php?lang=slv&id=9947 Kopiraj citat

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Gradivo je del zbornika

Naslov:	UHECR 2024, The 7th International Symposium on Ultra-High-Energy Cosmic Rays
COBISS.SI-ID:	229932291

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
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