Abstract
Investigations of the energy loss of muon bundles are being conducted at the Experimental complex NEVOD. Such investigations are directed to detailed study of “muon puzzle” (the excess of multi-muon events observed in several cosmic ray experiments at ultra-high energies). Results of measurements of the muon bundle energy deposit during a long period of observations in primary cosmic ray energy range 10–1000 PeV have been obtained and have been compared with simulations performed on the basis of the CORSIKA code.
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Funding
The work was conducted at the Experimental Complex NEVOD (MEPhI) with the financial support provided by the Ministry of Science and Higher Education of the Russian Federation (MEPhI Academic Excellence Project 02.a03.21.0005 and state assignment, contract nos. 3.6241.2017/6.7 and 3.6275.2017/6.7) and the Russian Foundation for Basic Research (grant no. 18-02-00971-a). Simulations were performed using the resources of the MEPhI high-performance computing center.
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Yurina, E.A., Barbashina, N.S., Bogdanov, A.G. et al. Investigation of the Energy Loss of Muon Bundles in the Cherenkov Water Calorimeter. Phys. Atom. Nuclei 82, 680–684 (2019). https://doi.org/10.1134/S1063778819660505
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DOI: https://doi.org/10.1134/S1063778819660505