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<p>Dark matter direct detection experiments can observe solar neutrinos via coherent elastic neutrino-nucleus scattering, making it possible to test new physics in the neutrino sector. In this article, we study the sensitivity of RES-NOVA, a novel cryogenic calorimetric experiment employing PbWO<sub>4</sub> crystals grown from archaeological lead, to neutrino non-standard interactions (NSI). We perform a sensitivity study for a benchmark setup with a nominal energy threshold of 1 keV and an exposure of 1 ton·yr, both for a conservative (only heat readout) and ideal (heat and scintillation) background rejection scenario. We find that, in its nominal configuration, while not being sensitive to Standard Model solar <i>ν</i> interactions, RES-NOVA can reach sensitivities to NSI at the level of current global fits. With moderate or significant improvements of the threshold down to 0<i>.</i>5 keV and 0<i>.</i>2 keV, RES-NOVA will be able to achieve sensitivities beyond NSI global fit results, testing new areas of the parameter space in the electron and tau sectors, <i>ε</i><sub><i>ee</i></sub>, <i>ε</i><sub><i>ττ</i></sub>, and <i>ε</i><sub><i>eτ</i></sub>. A similar improvement in sensitivities is expected when instead increasing the exposure to 10 ton·yr.</p>

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Neutrino NSI in archaeological Pb

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月27日

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  • D. Alloni,
  • G. Benato,
  • P. Carniti,
  • M. Cataldo,
  • D. Cerdeño,
  • A. Cheek,
  • L. Chen,
  • M. Clemenza,
  • M. Consonni,
  • G. Croci,
  • I. Dafinei,
  • F. A. Danevich,
  • C. de Vecchi,
  • D. Di Martino,
  • E. Di Stefano,
  • N. Ferreiro Iachellini,
  • F. Ferroni,
  • F. Filippini,
  • P. Foldenauer,
  • S. Ghislandi,
  • A. Giachero,
  • L. Gironi,
  • C. Gotti,
  • P. Gorla,
  • D. L. Helis,
  • D. V. Kasperovych,
  • V. V. Kobychev,
  • G. Marcucci,
  • A. Melchiorre,
  • A. Menegolli,
  • S. Nisi,
  • M. Musa,
  • L. Pagnanini,
  • L. Pattavina,
  • G. Pessina,
  • S. Pirro,
  • S. Pozzi,
  • M. C. Prata,
  • A. Puiu,
  • S. Quitadamo,
  • M. P. Riccardi,
  • M. Rossella,
  • R. Rossini,
  • E. Sala,
  • F. Saliu,
  • A. Salvini,
  • V. I. Tretyak,
  • L. Trombetta,
  • D. Trotta,
  • H. Yuan

摘要

Dark matter direct detection experiments can observe solar neutrinos via coherent elastic neutrino-nucleus scattering, making it possible to test new physics in the neutrino sector. In this article, we study the sensitivity of RES-NOVA, a novel cryogenic calorimetric experiment employing PbWO4 crystals grown from archaeological lead, to neutrino non-standard interactions (NSI). We perform a sensitivity study for a benchmark setup with a nominal energy threshold of 1 keV and an exposure of 1 ton·yr, both for a conservative (only heat readout) and ideal (heat and scintillation) background rejection scenario. We find that, in its nominal configuration, while not being sensitive to Standard Model solar ν interactions, RES-NOVA can reach sensitivities to NSI at the level of current global fits. With moderate or significant improvements of the threshold down to 0.5 keV and 0.2 keV, RES-NOVA will be able to achieve sensitivities beyond NSI global fit results, testing new areas of the parameter space in the electron and tau sectors, εee, εττ, and εeτ. A similar improvement in sensitivities is expected when instead increasing the exposure to 10 ton·yr.