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Abstract <p>The Neutrino-4 collaboration has improved the detector in the first neutrino laboratory at the SM‑3 reactor. We are also creating a new neutrino laboratory at the same reactor to study light sterile neutrinos. In the Neutrino-4 experiment, oscillations at a 2.7σ confidence level have been observed, which is consistent with the gallium anomaly and the BEST experiment result, but contradicts the latest constraints on the oscillation parameters obtained in the STEREO and PROSPECT experiments. The preparation stages and future prospects of the setup have been presented.</p>

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Study of Fundamental Interactions in the Neutrino4+ Experiment at the SM-3 Reactor: Status and Prospects

  • 期刊论文

  • 发表日期：

    2026年2月8日

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  • A. P. Serebrov,
  • R. M. Samoilov,
  • N. I. Voropaev,
  • V. V. Fedorov,
  • A. V. Vasil’ev,
  • D. M. Prudnikov,
  • S. S. Volkov,
  • N. V. Gruzinskii,
  • V. L. Golovtsov,
  • P. V. Neustroev,
  • A. A. Gerasimov,
  • M. E. Zaitsev,
  • D. A. Yakimov,
  • A. L. Izhutov,
  • A. L. Petelin

摘要

Abstract

The Neutrino-4 collaboration has improved the detector in the first neutrino laboratory at the SM‑3 reactor. We are also creating a new neutrino laboratory at the same reactor to study light sterile neutrinos. In the Neutrino-4 experiment, oscillations at a 2.7σ confidence level have been observed, which is consistent with the gallium anomaly and the BEST experiment result, but contradicts the latest constraints on the oscillation parameters obtained in the STEREO and PROSPECT experiments. The preparation stages and future prospects of the setup have been presented.