Experimental instruments and technique

Magnetic field compensation system for Baksan large neutrino telescope

A. D. Lukanov, A. A. Budzinskaya, D. M. Voronin, V. N. Gavrin, D. S. Gurskii, T. V. Ibragimova, B. K. Lubsandorzhiev, S. B. Lubsandorzhiev, D. A. Nanzanov, A. Yu. Sidorenkov, N. A. Ushakov, A. N. Fazliakhmetov, A. A. Shikhin

Institute for Nuclear Research, Russian Academy of Sciences, Moscow

Abstract: A system for compensating the Earth's magnetic field, developed for the Baksan Large Neutrino Telescope, is presented. The system is based on the use of Helmholtz coils. The compensating magnetic field is generated within a cylinder 32 meters in height and 15.5 meters in radius. According to calculations, the residual magnetic field amounts to 0.05 G. The algorithm for calculating the magnetic induction generated by the coils is described. The main parameters of the coils are considered, and a calculation of conductor heating for the developed magnetic field compensation system is provided.

Keywords: magnetic field, Helmholtz coils, photomultiplier tubes, neutrino detector.

Received: 06.03.2025
Revised: 04.06.2025
Accepted: 09.06.2025

DOI: 10.61011/JTF.2025.11.61609.30-25

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