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Naslov:Study of muons from ultrahigh energy cosmic ray air showers measured with the Telescope Array experiment
Avtorji:ID Abbasi, R.U. (Avtor)
ID Lundquist, Jon Paul, UNG (Avtor), et al.
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Jezik:Angleški jezik
Vrsta gradiva:Delo ni kategorizirano
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:UNG - Univerza v Novi Gorici
Opis:One of the uncertainties in the interpretation of ultrahigh energy cosmic ray data comes from the hadronic interaction models used for air shower Monte Carlo (MC) simulations. The number of muons observed at the ground from ultrahigh energy cosmic ray–induced air showers is expected to depend upon the hadronic interaction model. One may therefore test the hadronic interaction models by comparing the measured number of muons with the MC prediction. In this paper, we present the results of studies of muon densities in ultrahigh energy extensive air showers obtained by analyzing the signal of surface detector stations which should have high muon purity. The muon purity of a station will depend on both the inclination of the shower and the relative position of the station. In seven years’ data from the Telescope Array experiment, we find that the number of particles observed for signals with an expected muon purity of ∼65% at a lateral distance of 2000 m from the shower core is 1.72± 0.10(stat)±0.37(syst) times larger than the MC prediction value using the QGSJET II-03 model for proton-induced showers. A similar effect is also seen in comparisons with other hadronic models such as QGSJET II-04, which shows a 1.67±0.10±0.36 excess. We also studied the dependence of these excesses on lateral distances and found a slower decrease of the lateral distribution of muons in the data as compared to the MC, causing larger discrepancy at larger lateral distances.
Ključne besede:UHECR, cosmic rays, muons, particle physics
Verzija publikacije:Objavljena publikacija
Leto izida:2018
Št. strani:10
Številčenje:2, 98
PID:20.500.12556/RUNG-5191-a60943c6-ec7d-4ec8-9a5a-9e1da5c8373f Novo okno
COBISS.SI-ID:13254659 Novo okno
DOI:10.1103/PhysRevD.98.022002 Novo okno
NUK URN:URN:SI:UNG:REP:DVINLTFT
Datum objave v RUNG:30.04.2020
Število ogledov:3689
Število prenosov:0
Metapodatki:XML DC-XML DC-RDF
:
ABBASI, R.U. in LUNDQUIST, Jon Paul, 2018, Study of muons from ultrahigh energy cosmic ray air showers measured with the Telescope Array experiment. Physical Review D [na spletu]. 2018. Vol. 2, no. 98. [Dostopano 17 april 2025]. DOI 10.1103/PhysRevD.98.022002. Pridobljeno s: https://repozitorij.ung.si/IzpisGradiva.php?lang=slv&id=5191
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Gradivo je del revije

Naslov:Physical Review D
Leto izida:2018

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.
Začetek licenciranja:29.04.2020

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