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Abstract <p>This paper presents a calculation of the sensitivity of the νGeN experiment to the coherent elastic scattering of reactor antineutrinos off germanium nuclei for statistics from the standard operational cycle of a power unit at the Kalinin NPP. The calculation has been performed for several models of antineutrino energy spectra, as well as for different models of germanium response to low-energy recoil nuclei. The results indicate that the uncertainties in the antineutrino energy spectrum and those in the response of the detector material significantly affect the sensitivity.</p>

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Impact of Models of Reactor Antineutrino Energy Spectra on the Sensitivity of the vGeN Experiment to Coherent Scattering of Neutrinos off Germanium Nuclei

  • 期刊论文

  • 发表日期：

    2025年11月1日

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  • A. M. Konovalov,
  • A. V. Lubashevskiy,
  • A. V. Lukyashin,
  • D. O. Sautner

摘要

Abstract

This paper presents a calculation of the sensitivity of the νGeN experiment to the coherent elastic scattering of reactor antineutrinos off germanium nuclei for statistics from the standard operational cycle of a power unit at the Kalinin NPP. The calculation has been performed for several models of antineutrino energy spectra, as well as for different models of germanium response to low-energy recoil nuclei. The results indicate that the uncertainties in the antineutrino energy spectrum and those in the response of the detector material significantly affect the sensitivity.