Hamburg 2016 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 40: Kosmische Strahlung II

T 40.8: Vortrag

Montag, 29. Februar 2016, 18:35–18:50, VMP9 SR 29

Possible sources of UHECRs: characteristics, predictions and observational consequences — •Soraya Behroozian, Markus Risse, and Alexey Yushkov — University of Siegen

Ultra-high energy cosmic rays (UHECRs) are charged particles with energies above 1 EeV originating from astrophysical sources. Due to interactions with the extragalactic and galactic magnetic fields during propagation the arrival directions of the UHECRs do not point back to the sources and the origin of these particles is an open question. Many models have been developed proposing astrophysical objects such as SNe, AGNs (Cen A being the most addressed one), quasars, blazars and GRBs as plausible acceleration sites. We review some characteristics of such sources and discuss the observational predictions comparing them to the recent results on the mass composition from the Pierre Auger Observatory. This work was supported by the BMBF Verbundforschung Astroteilchenphysik.