Periodic Variations of the Radon Concentration Measured by the Large Volume Detector at the Gran Sasso Underground Laboratory

Time series of gamma-ray photons from natural radioactivity measured with the Large Volume Detector (LVD) at the Gran Sasso underground laboratory (Laboratori Nazionali del Gran Sasso, Italy) have been analyzed. The instrument is used to detect neutrinos from gravitational collapses of stellar cores...

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Bibliographic Details
Published in:Journal of experimental and theoretical physics 2023-09, Vol.137 (3), p.333-341
Main Authors: Agafonova, N. Yu, Dobrynina, E. A., Filimonova, N. A., Shakiryanova, I. R.
Format: Article
Language:English
Subjects:
Analysis
Astrophysics
Classical and Quantum Gravitation
Detectors
Elementary Particles
Fields
Gamma rays
Gravitation
Gravitational collapse
Natural radioactivity
Neutrinos
Nuclei
Particle and Nuclear Physics
Particles
Periodic variations
Photons
Physics
Physics and Astronomy
Quantum Field Theory
Radon levels
Relativity Theory
Solid State Physics
Stellar cores
Thorium
Uranium
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Summary:Time series of gamma-ray photons from natural radioactivity measured with the Large Volume Detector (LVD) at the Gran Sasso underground laboratory (Laboratori Nazionali del Gran Sasso, Italy) have been analyzed. The instrument is used to detect neutrinos from gravitational collapses of stellar cores in the Galaxy. The background of the experiment is due to neutrons and gamma-ray photons from the decays of daughter nuclei of uranium and thorium. An analysis of periodic variations of the number of gamma-ray photons caused by the radon concentration in the underground laboratory has shown the presence of diurnal, weekly, monthly, and annual modulations. Data collected from 2004 to 2021, including a period of low activity in the hall of the Gran Sasso laboratory during the COVID-19 pandemic, have been reported.
ISSN:1063-7761
1090-6509
DOI:10.1134/S106377612309008X