Working characteristics of the New Low-Background Laboratory (DULB-4900, Baksan Neutrino Observatory)
Ju.M. Gavriljuk, A.M. Gangapshev, A.M. Gezhaev, V.V. Kazalov,, V.V.Kuzminov, S.I. Panasenko, S.S. Ratkevich, S.P. Yakimenko
TL;DR
This paper describes the technical features and background measurement results of the new low-background laboratory DULB-4900 at Baksan Neutrino Observatory, focusing on gamma-ray detection and radon contamination levels.
Contribution
It provides detailed technical characteristics and background measurement data for the DULB-4900 laboratory, including radon contamination analysis.
Findings
Rn-222 contamination levels measured in the laboratory air.
Background radiation levels characterized in different laboratory zones.
Gamma-radiation detection of Bi-214 used to assess radon presence.
Abstract
A concise technical characteristic of a new low-background laboratory DULB-4900 of the BNO INR RAS is presented. The technique and the results of background measurements in the Hall, ordinary box and low-background box are presented. Rn-222 contamination in the laboratory air has been measured by direct detection of gamma-radiation of its daughter Bi-214 distributed over the volume of the low-background box. The results of the data analysis are presented.
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