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

被引：1
|
作者：
Agafonova, N. Yu. [1 ]
Dobrynina, E. A. [1 ]
Filimonova, N. A. [1 ,2 ]
Shakiryanova, I. R. [1 ]
机构：
[1] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia
[2] Natl Res Univ, Moscow Inst Phys & Technol, Dolgoprudnyi 141701, Moscow Oblast, Russia
来源：
JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2023年 / 137卷 / 03期
基金：
俄罗斯科学基金会;
关键词：
THERMAL-NEUTRON FLUX;
D O I：
10.1134/S106377612309008X
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
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.
引用
收藏
页码：333 / 341
页数：9
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