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Greifswald 2009 – scientific programme

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EP: Fachverband Extraterrestrische Physik

EP 12: Heliophysics II

EP 12.3: Talk

Thursday, April 2, 2009, 14:30–14:45, Zahnklinik

Three-dimensional anisotropic transport of solar energetic particles in the inner heliosphere — •Wolfgang Dröge1, Julia Kartavykh2, Berndt Klecker3, and Gennadi A. Kovaltsov21Institut für Theoretische Physik und Astrophysik, Universität Würzburg, D-97074 Würzburg, Germany — 2Ioffe Physical-Technical Institute, St. Petersburg 194021, Russia — 3Max-Planck-Institut für extraterrestrische Physik, Garching, Germany

We investigate the combined effects of particle propagation parallel and perpendicular to the large-scale magnetic field in the solar wind. Numerical methods employing stochastic differential equations are used incorporating pitch angle diffusion, focusing and pitch-angle dependent diffusion perpendicular to the magnetic field. Spatial distributions of the particles for various combinations of values for the parallel and perpendicular mean free path are presented. Intensity-time histories at different angular and radial distances wit respect to the assumed injection region on the Sun will be discussed and compared with results of multi-spacecraft observations of solar particles.

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