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Naslov:Azimuthal asymmetry in the risetime of the surface detector signals of the Pierre Auger Observatory
Avtorji:ID Aab, A. (Avtor)
ID Filipčič, Andrej (Avtor)
ID Kukec Mezek, Gašper (Avtor)
ID Saleh, Ahmed (Avtor)
ID Stanič, Samo (Avtor)
ID Trini, Marta (Avtor)
ID Veberič, Darko (Avtor)
ID Vorobiov, Serguei (Avtor)
ID Yang, Lili (Avtor)
ID Zavrtanik, Danilo (Avtor)
ID Zavrtanik, Marko (Avtor), et al.
Datoteke: Gradivo nima datotek, ki so prostodostopne za javnost. Gradivo je morda fizično dosegljivo v knjižnici fakultete, zalogo lahko preverite v COBISS-u. Povezava se odpre v novem oknu
Jezik:Angleški jezik
Vrsta gradiva:Delo ni kategorizirano
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:UNG - Univerza v Novi Gorici
Opis:The azimuthal asymmetry in the risetime of signals in Auger surface detector stations is a source of information on shower development. The azimuthal asymmetry is due to a combination of the longitudinal evolution of the shower and geometrical effects related to the angles of incidence of the particles into the detectors. The magnitude of the effect depends upon the zenith angle and state of development of the shower and thus provides a novel observable, (secθ)max, sensitive to the mass composition of cosmic rays above 3×1018  eV. By comparing measurements with predictions from shower simulations, we find for both of our adopted models of hadronic physics (QGSJETII-04 and EPOS-LHC) an indication that the mean cosmic-ray mass increases slowly with energy, as has been inferred from other studies. However, the mass estimates are dependent on the shower model and on the range of distance from the shower core selected. Thus the method has uncovered further deficiencies in our understanding of shower modeling that must be resolved before the mass composition can be inferred from (secθ)max.
Ključne besede:ultra-high energy cosmic rays (UHECR), UHECR mass composition, Pierre Auger Observatory, extensive air showers, Auger Surface Detector signals risetime, azimuthal symmetry
Verzija publikacije:Objavljena publikacija
Leto izida:2016
Št. strani:16
Številčenje:2016, vol. 93, str. 072006
PID:20.500.12556/RUNG-2249 Novo okno
COBISS.SI-ID:4244731 Novo okno
NUK URN:URN:SI:UNG:REP:GU0NOLEJ
Datum objave v RUNG:15.04.2016
Število ogledov:5343
Število prenosov:0
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Skupna ocena:(0 glasov)
Vaša ocena:Ocenjevanje je dovoljeno samo prijavljenim uporabnikom.
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Gradivo je del revije

Naslov:Physical Review D
Založnik:American Physical Society
Leto izida:2016
ISSN:1550-7998

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