Abstract
According to the Large Volume Detector (LVD), located in the underground laboratory of Gran Sasso, Italy, a modulation of the concentration of the radioactive gas radon from the natural radioactivity of the rock, associated with lunar-monthly cycles, was detected. The rising phase falls on the days of the full moon. The amplitude of variations varies from 0.5 to 0.8\(\%\).
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Funding
The work was supported by the Russian Science Foundation, project no. 23-22-00048 (https://rscf.ru/project/23-22-00048/).
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LVD Collaboration: N. Yu. Agafonova1, M. Aglietta2,3, P. Antonioli4, V. V. Ashikhmin1, G. Bari4, G. Bruno5,6, E. A. Dobrynina1, R. I. Enikeev1, W. Fulgione3,5, P. Galeotti2,3, M. Garbini4,7, P. L. Ghia8, P. Giusti4, E. Kemp9, A. S. Malgin1, A. Molinario2,3, R. Persiani4, I. A. Pless10, O. G. Ryazhskaya1, G. Sartorelli4, I. R. Shakiryanova1, M. Selvi4, G. C. Trinchero2,3, C. F. Vigorito2, V. F. Yakushev1, and A.Zichichi4,7
1Institute for Nuclear Research, Russian Academy of Sciences,Moscow, Russia.
2Department of Physic, University of Turin and INFNTurin, Turin, Italy.
3Istituto Nazionale di Astrofisica (INAF), Osservatorio Astrofisico di Torino, Turin, Italy.
4University of Bologna and INFN-Bologna, Bologna, Italy.
5INFN, Laboratori Nazionali del Gran Sasso, Assergi, L’Aquila, Italy.
6New York University Abu Dhabi, Abu Dhabi, United Arab Emirates.
7Centro Enrico Fermi, Roma, Italy.
8Laboratoire de Physique des 2 Infinis Ire` ne Joliot Curie, CNRS, Orsay, France.
9University of Campinas, Campinas, Brazil.
10Massachusetts Institute of Technology, Cambridge, USA.
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Agafonova, N.Y., Ashikhmin, V.V., Dobrynina, E.A. et al. Lunar-Monthly Variances in the Background Gamma-Quanta Measured at the LVD. Phys. Atom. Nuclei 86, 1014–1020 (2023). https://doi.org/10.1134/S1063778824010046
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DOI: https://doi.org/10.1134/S1063778824010046