Exploring the Standard Model and Beyond from the Evidence of CE$ν$NS with Reactor Antineutrinos in CONUS+
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| Main Authors: | , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866909490302943232 |
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| author | Alpízar-Venegas, M. Flores, L. J. Peinado, Eduardo Vázquez-Jáuregui, E. |
| author_facet | Alpízar-Venegas, M. Flores, L. J. Peinado, Eduardo Vázquez-Jáuregui, E. |
| contents | The observation of the Coherent Elastic Neutrino-Nucleus Scattering (CE$ν$NS) process using reactor antineutrinos offers a unique opportunity to probe the Standard Model and explore Beyond the Standard Model scenarios. This study reports on the latest results from the CONUS+ experiment conducted at the Leibstadt nuclear power plant (KKL), Switzerland. The CONUS collaboration reports $395 \pm 106$ events detected from reactor antineutrinos with an exposure of 347 kg$\cdot$days, utilizing high-purity germanium detectors operated at sub-keV thresholds. A $χ^2$-based statistical analysis was performed on these results, incorporating systematic uncertainties. This analysis was used to extract the weak mixing angle, establish a limit on the neutrino magnetic moment, and impose constraints on neutrino non-standard interactions using reactor antineutrinos. The results confirm the potential of CE$ν$NS experiments in the study of fundamental neutrino properties and probing new physics. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2501_10355 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Exploring the Standard Model and Beyond from the Evidence of CE$ν$NS with Reactor Antineutrinos in CONUS+ Alpízar-Venegas, M. Flores, L. J. Peinado, Eduardo Vázquez-Jáuregui, E. High Energy Physics - Phenomenology The observation of the Coherent Elastic Neutrino-Nucleus Scattering (CE$ν$NS) process using reactor antineutrinos offers a unique opportunity to probe the Standard Model and explore Beyond the Standard Model scenarios. This study reports on the latest results from the CONUS+ experiment conducted at the Leibstadt nuclear power plant (KKL), Switzerland. The CONUS collaboration reports $395 \pm 106$ events detected from reactor antineutrinos with an exposure of 347 kg$\cdot$days, utilizing high-purity germanium detectors operated at sub-keV thresholds. A $χ^2$-based statistical analysis was performed on these results, incorporating systematic uncertainties. This analysis was used to extract the weak mixing angle, establish a limit on the neutrino magnetic moment, and impose constraints on neutrino non-standard interactions using reactor antineutrinos. The results confirm the potential of CE$ν$NS experiments in the study of fundamental neutrino properties and probing new physics. |
| title | Exploring the Standard Model and Beyond from the Evidence of CE$ν$NS with Reactor Antineutrinos in CONUS+ |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2501.10355 |