Numerical Propagation of Cosmic Rays in the Galaxy

Details Numerical Propagation of Cosmic Rays in the Galaxy Numerical Propagation of Cosmic Rays in the Galaxy

2007-05-22

arxiv.org/abs/0705.3184v1

Astronomy and Astrophysics

Astrophysics

4 pages, 5 figures. Contribution to the 30th ICRC, Merida, Mexico, 2007

Scientific paper

We present a Monte-Carlo (MC) calculation of the propagation of cosmic ray protons in the Galaxy for energies above 1 PeV. We discuss the relative strengths of competing effects such as parallel/perpendicular diffusion and drifts in toy models of the Galaxy. We compare our estimates with the results of the MC calculation for the toy models and then we apply the MC calculation to a few more realistic models of the Galactic magnetic field. We study the containment times in different models of the magnetic field in order to understand which one may be consistent with the low energy data.

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