Würzburg 2018 – scientific programme

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T: Fachverband Teilchenphysik

T 29: Kosmische Strahlung II

T 29.1: Group Report

Tuesday, March 20, 2018, 16:30–16:50, Philo-HS6

CRPropa 3.2: Improved open-source cosmic ray propagation framework from TeV to ZeV energies — •Lukas Merten for the CRPropa collaboration — Ruhr-Universität Bochum, Theoretische Physik IV, Bochum, Germany — Ruhr Astroparticle and Plasmaphysics Center

Experimental observations of Galactic and extragalactic cosmic rays in the last decade challenge the theoretical description of both the sources and the transport of cosmic rays. The latest version of the publicly available simulation framework CRPropa 3.2 aims at a consistent solution of the cosmic-ray transport problem, including the production and propagation of secondary neutrinos and electromagnetic cascades. The Monte-Carlo based software is not only able to describe the transport of cosmic rays in a ballistic single-particle propagation but is also able to solve a transport equation. This combined approach will allow a consistent description of cosmic rays from the highest energies down to the TeV-range. This talk will summarize the latest improvements of the code, e.g. solving the transport equation, improved electromagnetic cascades, source targeting, cosmic-ray acceleration and many technical improvements. The new opportunities coming with these developments will be explained including simple user examples.