Underground cascades in muon groups: new method for determining the chemical composition of the primary cosmic rays
Bakatanov V. N., Boziev S. N., Voevodskii A. V., Novosel'tsev Yu. F., Novosel'tseva M. V., Sten'kin Yu. V., Chudakov A. E.
Data from the underground scintillation telescope at the Baksan Neutrino Observatory are used to propose a new experimental method for determining the average atomic number of the primary nuclei in the energy range 1012-1014 eVY nucleon. The first results, from 7500 h of observation, are reported.