СORRELATION ANALYSIS BETWEEN GAMMA QUANTA COUNTING RATE ON LVD FROM NATURAL RADIOACTIVITY AND ATMOSPHERIC PRESSURE

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Abstract

This work investigates the effect of atmospheric pressure on the counting rate of gamma quanta from natural radioactivity, measured in continuous monitoring mode on a Large Volume Detector (LVD). Emissions in the time series of gamma quanta are associated with the emanation of radon from the rock in the underground room of the experimental hall. As a result of the analysis of hourly data, no direct connection was found between the change in pressure and the counting rate of gamma rays. During sharp drops in pressure, no delayed pumping effect was detected for gamma rays. A strong anti-correlation between the trends in changes in the gamma-ray counting rate and pressure was discovered on scales of the order of 3–4 months.

About the authors

N. Yu. Agafonova

Institute for Nuclear Research of the Russian Academy of Science

Email: Agafonova@inr.ru
Moscow, Russia

V. V. Ashikhmin

Institute for Nuclear Research of the Russian Academy of Science

Moscow, Russia

E. A. Dobrynina

Institute for Nuclear Research of the Russian Academy of Science

Email: Dobrynina@inr.ru
Moscow, Russia

S. V. Ingerman

Institute for Nuclear Research of the Russian Academy of Science

Moscow, Russia

O. Yu. Slutskaya

National Research Nuclear University “MEPhI”

Moscow, Russia

I. R. Shakiryanova

Institute for Nuclear Research of the Russian Academy of Science

Moscow, Russia

V. F. Yakushev

Institute for Nuclear Research of the Russian Academy of Science

Moscow, Russia

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