Studies of Anomalous Phenomena in the Development of Electron-Nuclear Cascades in the EAS Cores Registered by a Modernized Complex Installation at Mountain Altitudes
Mukhamedshin R. Sadykov T. Serikkanov A. Argynova A. Iskakov B. Argynova K. Mahmet H. Novolodskaya O. Idrissova T. Zhukov V. Piskal V. Sadykov Z.
February 2023MDPI
Applied Sciences (Switzerland)
2023#13Issue 4
Phenomena have been observed in mountain high-energy cosmic-ray experiments, namely, a delayed absorption of high-energy cascades initiated by cosmic-ray hadrons in a lead absorber at (Formula presented.) (so-called long-flying component), a coplanarity of most energetic particles in the central region of γ-ray−hadron superfamilies, and the so-called Tien Shan effect in EAS cores at (Formula presented.). These effects are not described by theoretical models. The coplanarity is explained by the process of coplanar generation of most energetic secondary particles in interactions of superhigh-energy hadrons with the nuclei of air atoms. The other two phenomena are possibly explained with a high cross section for fragmentation-region charmed-hadron generation. To investigate these phenomena, a cosmic-ray detector array, including a very thick ionization calorimeter, is being upgraded to study EAS cores.
cosmic rays , extensive air shower (EAS) , hadron cascade , ionization chambers , ionization-neutron calorimeter , scintillation detector
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Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, 117312, Russian Federation
Institute of Physics and Technology, Satbayev University, Almaty, 050032, Kazakhstan
Al-Farabi Kazakh National University, Almaty, 050040, Kazakhstan
ITMO University, St. Petersburg, 197101, Russian Federation
Tien-Shan High-Mountain Scientific Station of the Lebedev Physical Institute of the Russian Academy of Sciences in the Republic of Kazakhstan, Almaty, 050020, Kazakhstan
National University of Science and Technology “MISIS”, Moscow, 119071, Russian Federation
Institute for Nuclear Research of the Russian Academy of Sciences
Institute of Physics and Technology
Al-Farabi Kazakh National University
ITMO University
Tien-Shan High-Mountain Scientific Station of the Lebedev Physical Institute of the Russian Academy of Sciences in the Republic of Kazakhstan
National University of Science and Technology “MISIS”
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