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Abstract <p>The paper describes experiments on the the Gallium-Germanium Neutrino Telescope (GGNT) at the BNO INR RAS gallium target with artificial neutrino sources. In the BEST-2 experiment with the <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\({}^{58}\)</EquationSource> <!--NuclPhys2660022Gavrin-m1--> </InlineEquation>Co source, the gallium anomaly will be investigated, including neutrino transitions to sterile states. In experiments with antineutrino sources <InlineEquation ID="IEq2"> <EquationSource Format="TEX">\({}^{170}\)</EquationSource> <!--NuclPhys2660022Gavrin-m2--> </InlineEquation>Tm and <InlineEquation ID="IEq3"> <EquationSource Format="TEX">\({}^{90}\)</EquationSource> <!--NuclPhys2660022Gavrin-m3--> </InlineEquation>Sr, transitions between neutrinos and antineutrinos will be searched for. If the outcome is positive, the cause of the transitions will be determined—either CPT violations or neutrino decay. Decay into 2 particles will indicate the Majorana nature of neutrinos.</p>

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New Gallium Experiments with Artificial Neutrino Sources

  • 期刊论文

  • 发表日期：

    2026年2月1日

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  • V. N. Gavrin,
  • V. V. Gorbachev,
  • T. V. Ibragimova,
  • V. A. Matveev

摘要

Abstract

The paper describes experiments on the the Gallium-Germanium Neutrino Telescope (GGNT) at the BNO INR RAS gallium target with artificial neutrino sources. In the BEST-2 experiment with the \({}^{58}\) Co source, the gallium anomaly will be investigated, including neutrino transitions to sterile states. In experiments with antineutrino sources \({}^{170}\) Tm and \({}^{90}\) Sr, transitions between neutrinos and antineutrinos will be searched for. If the outcome is positive, the cause of the transitions will be determined—either CPT violations or neutrino decay. Decay into 2 particles will indicate the Majorana nature of neutrinos.