Comparative analysis of the technogenic factors affecting the gamma-quanta counting rate in LSD and LVD underground experiments

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Abstract

We presented a comparative analysis of the gamma-quanta counting rate data with energies greater than 0.5 MeV from the underground LSD (operated from 1984 to 1999) and LVD (data collection from 1992 to the present) installations. These detectors are identical in structure and have identical scintillation counter modules with a volume of 1.5 m3. They are ~700 km from each other, in different regions of Italy with different seismic activity, under different mountain ranges, and have different ventilation systems. Data from both detectors for 1997 are presented. The effect of the ventilation system on variations in radon concentration in underground premises is shown.

About the authors

N. Yu. Agafonova

Institute for Nuclear Research of the Russian Academy of Sciences

Moscow, Russia

E. A. Dobrynina

Institute for Nuclear Research of the Russian Academy of Sciences

Email: dobrynina02@mail.ru
Moscow, Russia

V. F. Yakushev

Institute for Nuclear Research of the Russian Academy of Sciences

Moscow, Russia

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