3 years ago

Production and propagation of ultra-high energy photons using CRPropa 3.

David Walz, Daniel Kuempel, Christopher Heiter, Martin Erdmann

In order to interpret cosmic ray observations, detailed modeling of propagation effects invoking all important messengers is necessary. We introduce a new photon production and propagation code as an inherent part of the CRPropa 3 software framework. By implementing additional photon production channels, which are important for energies below 10**18 eV, this code can be used for multi-messenger studies connecting the TeV and sub EeV energy regime and for interpreting models of ultra-high energy cosmic ray sources. We discuss the importance of the individual production channels and propagation effects and present example applications.

Publisher URL: http://arxiv.org/abs/1710.11406

DOI: arXiv:1710.11406v1

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