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Naslov:Azimuthal asymmetry in the risetime of the Surface Detector signals of the Pierre Auger Observatory
Avtorji:Minaya, Ignacio (Avtor)
Filipčič, Andrej (Avtor)
Kukec Mezek, Gašper (Avtor)
Saleh, Ahmed (Avtor)
Stanič, Samo (Avtor)
Trini, Marta (Avtor)
Veberič, Darko (Avtor)
Vorobiov, Serguei (Avtor)
Yang, Lili (Avtor)
Zavrtanik, Danilo (Avtor)
Zavrtanik, Marko (Avtor)
et al.
Datoteke:.pdf ICRC2015_405.pdf (243,04 KB)
 
Jezik:Angleški jezik
Vrsta gradiva:Delo ni kategorizirano (r6)
Tipologija:1.08 - Objavljeni znanstveni prispevek na konferenci
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 sensitive to the mass composition of cosmic rays above 3 × 10[sup]18 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 with energy, as has been inferred from other studies. However the absolute values derived for the mass 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 modelling that must be resolved before the mass composition can be inferred from (sec θ)max.
Ključne besede:Pierre Auger Observatory, Surface Detector, risetime of detector signal, azimuthal asymmetry, extensive air showers
Leto izida:2015
COBISS_ID:4152059 Povezava se odpre v novem oknu
URN:URN:SI:UNG:REP:HPN0CWEH
Licenca:CC BY-NC-SA 4.0
To delo je dosegljivo pod licenco Creative Commons Priznanje avtorstva-Nekomercialno-Deljenje pod enakimi pogoji 4.0 Mednarodna
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Gradivo je del monografije

Naslov:The 34th International Cosmic Ray Conference
Podnaslov:ICRC 2015 (The Hague, Netherlands)
Založnik:PoS, http://pos.sissa.it/
Prireditelj konference:International Union of Pure and Applied Physics (IUPAP)
Naslov zbirke:Proceedings of ICRC 2015
Leto izida:2015

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