Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1849623 | Nuclear Physics B - Proceedings Supplements | 2008 | 4 Pages |
Abstract
Integral muon number spectrum has been measured at the Baksan Underground Scintillation Telescope (BUST) for near vertical directions (θ⩽20°, effective muon threshold energy is 230 GeV). The analyzed range of the number of muon tracks crossing BUST is 2 – 170. It corresponds to the primary energy range 3⋅1013 eV–1016 eV. Muon number spectrum calculations have been carried out for different primary compositions. For EAS simulations CORSIKA code (v.6.030, QGSJET01 model) has been used. Our data agree with a composition lighter than the standard one before the knee with the knee position at Z⋅2.0⋅1015 eV.
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