Solar-Terrestrial Physics Solar-Terrestrial Physics Solar-Terrestrial Physics 2500-0535 57188 10.12737/stp-92202307 Results of current research Results of current research Results of current research Temperature effect of muons registered under the ground in Yakutsk by telescopes on GAS-discharge counters Temperature effect of muons registered under the ground in Yakutsk by telescopes on GAS-discharge counters Янчуковский Валерий Леонидович Yanchukovsky Valery Leonidovich vjanch@gs.nsc.ru

доктор физико-математических наук;

doctor of physical and mathematical sciences;

 Институт нефтегазовой геологии и геофизики им. А.А. Трофимука СО РАН Новосибирск Россия Trofimuk Institute of Petroleum Geology and Geophysics SB RAS Novosibirsk Russian Federation 29 06 2023 29 06 2023 9 2 55 65 16 02 2023 23 03 2023 https://zh-szf.ru/en/nauka/article/57188/view

The Yakutsk spectrograph of cosmic rays includes a complex of muon telescopes based on gas-discharge and scintillation counters located on the surface and under the ground at depths of 7, 20, and 40 m.w.e. Using continuous observations made by muon telescopes on gas-discharge counters and data on the altitude profile of the atmospheric temperature over Yakutsk for the period from January 2016 to December 2018, we have calculated density distributions of temperature coefficients for muons detected on the surface and at various depths under the ground. To do this, we employed multivariate regression methods and principal component methods. The results obtained are compared with the results of earlier theoretical calculations. The results make it possible to correctly take into account the temperature effect in the data from the complex of muon telescopes on gas-discharge counters.

The Yakutsk spectrograph of cosmic rays includes a complex of muon telescopes based on gas-discharge and scintillation counters located on the surface and under the ground at depths of 7, 20, and 40 m.w.e. Using continuous observations made by muon telescopes on gas-discharge counters and data on the altitude profile of the atmospheric temperature over Yakutsk for the period from January 2016 to December 2018, we have calculated density distributions of temperature coefficients for muons detected on the surface and at various depths under the ground. To do this, we employed multivariate regression methods and principal component methods. The results obtained are compared with the results of earlier theoretical calculations. The results make it possible to correctly take into account the temperature effect in the data from the complex of muon telescopes on gas-discharge counters.

 cosmic rays atmosphere muons telescope temperature effect cosmic rays atmosphere muons telescope temperature effect The work was financially supported by the Ministry of Science and Higher Education of the Russian Federation (Project FWZZ-2022-0019) The work was financially supported by the Ministry of Science and Higher Education of the Russian Federation (Project FWZZ-2022-0019)

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