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Verhandlungen
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Freiburg 2008 – scientific programme

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EP: Fachverband Extraterrestrische Physik

EP 4: The Sun and Heliosphere - Poster Session

EP 4.7: Poster

Monday, March 3, 2008, 17:30–19:00, Vorraum KGI-Aula

Particle Propagation in a Fisk-type Heliospheric Magnetic Field — •Oliver Sternal1, Adri Burger2, Bernd Heber1, Horst Fichtner3, and Phillip Dunzlaff11Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität zu Kiel, Leibnizstr. 11, 24118 Kiel, Germany — 2School of Physics, North-West University, 2520 Potchefstroom, South Africa — 3Institut für Theoretische Physik, Lehrstuhl IV: Weltraum- und Astrophysik, Ruhr-Universität Bochum, Germany

The propagation of energetic particles in the heliosphere is to a large extent influenced by the heliospheric magnetic field. The particle flux can be modelled numerically and the solutions can be compared with spacecraft observations. The HMF structure is still part of ongoing discussions, so different approaches need to be taken into account in particle propagation models.

In this contribution we present time-dependent numerical simulations of the 7 MeV electron flux in the heliosphere for a Parker and a Fisk-type HMF configuration. We compare our model results to Ulysses measurements.

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