Neutron multiplicity: Local hadronic showers and extensive air showers |
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| Authors: | Yu. V. Balabin D. D. Dzhappuev B. B. Gvozdevsky E. A. Maurchev A. U. Kudzhaev O. I. Mikhailova |
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| Affiliation: | (1) IEP SAS, Watsonova 47, 040 01 Kosice, Slovakia;(2) Skobeltsyn Institute of Nuclear Physics, Moscow University, Moscow, Russia |
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| Abstract: | A detailed analysis of events with neutron multiplicity M = 3−30 on neutron monitors (NMs) in Barentsburg (Spitsbergen), Baksan (North Caucasus), and Apatity (Murmansk region) is performed on the data obtained using a unique new data collection system. It is now possible for the first time to register local showers in cosmic rays on NMs and to investigate their structure with a high precision. Multiplicity on NMs is simulated using the GEANT4 Monte Carlo toolkit. Local hadronic cascades in the atmosphere with transverse sizes of 1 to 6 m were observed for the first time using the NM data. NM multiplicity generated by EAS hadronic cascades is studied on the data set on coupling NMs with the CARPET EAS facility. |
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