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Title:The flux of ultra-high energy cosmic rays after ten years of operation of the Pierre Auger Observatory
Authors:Valiño, Inés (Author)
Filipčič, Andrej (Author)
Kukec Mezek, Gašper (Author)
Saleh, Ahmed (Author)
Stanič, Samo (Author)
Trini, Marta (Author)
Veberič, Darko (Author)
Vorobiov, Serguei (Author)
Yang, Lili (Author)
Zavrtanik, Danilo (Author)
Zavrtanik, Marko (Author)
et al.
Files:.pdf ICRC2015_271.pdf (755,08 KB)
 
Language:English
Work type:Not categorized (r6)
Tipology:1.08 - Published Scientific Conference Contribution
Organization:UNG - University of Nova Gorica
Abstract:The flux of ultra-high energy cosmic rays has been measured with unprecedented precision at the Pierre Auger Observatory. We report an update of the all-sky flux of cosmic rays above 3 x 10 [sup] 17 eV obtained by combining four independent data sets. These measurements are based on data from the surface detector arrays (divided into two sets according to the shower zenith angle), from a nested, denser, detector array, and hybrid events measured simultaneously with both the fluorescence detector and the surface detector array. The spectral features are presented in detail and the systematic uncertainties are addressed. The huge amount of data collected to date, with a total exposure exceeding 50,000 km2 sr yr, together with the wide range of sky observed (in declination from -90[deg] to 45[deg]) also allow us to measure the energy spectrum from different regions of the sky. We present the results of the search for a dependence of the measured flux on the declination of the incoming directions.
Keywords:ultra-high energy cosmic rays energy spectrum Pierre Auger Observatory
Year of publishing:2015
COBISS_ID:4149755 Link is opened in a new window
URN:URN:SI:UNG:REP:UEXBRTF0
License:CC BY-NC-SA 4.0
This work is available under this license: Creative Commons Attribution Non-Commercial Share Alike 4.0 International
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Record is a part of a monograph

Title:The 34th International Cosmic Ray Conference
Subtitle:ICRC 2015 (The Hague, Netherlands)
Publisher:PoS, http://pos.sissa.it/
Conference organizer:Union of Pure and Applied Physics (IUPAP)
Collection title:Proceedings of ICRC 2015
Year of publishing:2015

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