Fluxes of Atmospheric Leptons at 600 GeV - 60 TeV

Abstract

The atmospheric muon flux is generated with CORSIKA 6.030 (using QGSJET high-energy interaction model) and fitted with the formula from Gaisser (1990). Spectra and mass distribution of primaries were taken according to the poli-gonato model of Horandel (2003). A convenient parameterization of the cos(th)->cos(th*) correction, originally tabulated in Volkova (1969), is presented. This correction, together with muon energy losses and decay, is shown to significantly improve the fit to the simulated data.

arXiv commentroutines with corrections are available at http://amanda.berkeley.edu/~dima/work/CORSIKA/

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