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Secondary Cosmic Ray particles due to GCR interactions in the Earth’s atmosphere

By G. Battistoni, F. Cerutti, A. Fassò, A. Ferrari, M. V. Garzelli, M. Lantz, S. Muraro, L. S. Pinsky, J. Ranft, S. Roesler and P. R. Sala

Abstract

Primary GCR interact with the Earth’s atmosphere originating atmospheric showers, thus giving rise to fluxes of secondary particles in the atmosphere. Electromagnetic and hadronic interactions interplay in the production of these particles, whose detection is performed by means of complementary techniques in different energy ranges and at different depths in the atmosphere, down to the Earth’s surface. Monte Carlo codes are essential calculation tools which can describe the complexity of the physics of these phenomena, thus allowing the analysis of experimental data. However, these codes are affected by important uncertainties, concerning, in particular, hadronic physics at high energy. In this paper we shall report some results concerning inclusive particle fluxes and atmospheric shower properties as obtained using the FLUKA transport and interaction code. Some emphasis will also be given to the validation of the physics models of FLUKA involved in these calculations

Topics: GCR EAS, inclusive fluxes of secondary particles, Monte Carlo
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