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Stuttgart 2012 – wissenschaftliches Programm

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EP: Fachverband Extraterrestrische Physik

EP 9: Poster Astrobiologie

EP 9.2: Poster

Mittwoch, 14. März 2012, 16:30–16:30, Poster.IV

On the Computation of Cosmic Ray Induced Ionization — •Klaudia Herbst and Bernd Heber — Christian-Albrechts-Universität zu Kiel, Leibnizstr. 11, 24118 Kiel

Cosmic rays entering the Earth's atmosphere are able to produce a secondary particle cascade which itself is affecting e.g. the atmospheric ion balance (see Dorman, 2004 and references in there). By using the GEANT4 based simulation code PLANETOCOSMICS we here investigate the Cosmic Ray Induced Ionization (CRII) due to galactic cosmic rays as well as due to solar energetic protons produced in Ground Level Events (GLEs). We present our calculations for several GLEs and compare our results to previous computations by e.g. Usoskin et al. (2006, 2010).

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