EPJ Web of Conferences
Volume 52, 2013ISVHECRI 2012 – XVII International Symposium on Very High Energy Cosmic Ray Interactions
|Number of page(s)||5|
|Section||Muons and Neutrinos|
|Published online||10 June 2013|
Multiplicity spectrum of muon bundles and primary CR composition in the range 1 – 10000 TeV
1 Institute for Nuclear Research of RAS, Moscow, Russia
2 The National Centre for Nuclear Research, Lodz, Poland
3 Institute Astronomy of RAS, Moscow, Russia
Multiplicity spectrum of muon bundles underground, with Eμ ≥ few × 100 GeV, is an effective tool for study of primary Cosmic Ray spectrum and composition in wide range of the primary energies. In this paper we study integral muon number distribution measured at the Baksan Underground Scintillation Telescope (BUST). The analyzed range of the number of muon tracks crossing BUST (1 - 170) approximately corresponds to the primary energy range 1 – 104 TeV. The analysis shows that non-power law primary spectra are preferable below the knee. Such a spectrum can be obtained as superposition of the basic power law primary spectrum and an additional component from nearby supernova remnant in the Galaxy.
© Owned by the authors, published by EDP Sciences, 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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