Impact of the Dresden-II and COHERENT neutrino scattering data on neutrino electromagnetic properties and electroweak physics

Abstract

Coherent elastic neutrino-nucleus scattering (CE$\nu$NS) represents a powerful tool to investigate key electroweak physics parameters and neutrino properties since its first observation in 2017 by the COHERENT experiment exploiting the spallation neutron source at Oak Ridge National Laboratory. In light of the recent detection of such a process with antineutrinos produced by the Dresden-II reactor scattering off a germanium detector, we revisit the limits so far set on the neutrino magnetic moments, charge radii and millicharges as well as on the weak mixing angle. In order to do so, we also include the contribution of elastic neutrino-electron scattering, whose effect becomes non negligible in some beyond the Standard Model theories. By using different hypotheses for the germanium quenching factor and the reactor antineutrino flux, we provide a measurement of the weak mixing angle at the low-energy scale of the Dresden-II reactor experiment and, thanks to a combined analysis with the latest cesium iodide and argon data set released by the COHERENT Collaboration, we deliver updated limits for the neutrino electromagnetic properties. Interestingly, we are able to set a new best upper limit on the electron neutrino charge radius and significantly improve the other CE$\nu$NS-related limits on the neutrino electric charge and magnetic moment.

Matches the published version. 33 pages, 11 figures

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Cited by in corpus (32)

• Physics implications of a combined analysis of COHERENT CsI and LAr data
• Implications of first LZ and XENONnT results: A comparative study of neutrino properties and light mediators
• New constraint on neutrino magnetic moment and neutrino millicharge from LUX-ZEPLIN dark matter search results
• EFT analysis of New Physics at COHERENT
• Bounds on new neutrino interactions from the first CE$\nu$NS data at direct detection experiments
• Nuclear neutron radius and weak mixing angle measurements from latest COHERENT CsI and atomic parity violation Cs data
• Physics implications of recent Dresden-II reactor data
• Momentum dependent flavor radiative corrections to the coherent elastic neutrino-nucleus scattering for the neutrino charge-radius determination
• Implications of the first CONUS+ measurement of coherent elastic neutrino-nucleus scattering
• DarkSide-20k sensitivity to light dark matter particles
• Probing active-sterile neutrino transition magnetic moment on coherent elastic solar neutrino-nucleus scattering
• Probing Standard Model and Beyond with Reactor CE$\nu$NS Data of CONUS+ experiment
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• COHERENT production of a dark fermion
• On the impact of the Migdal effect in reactor CE$\nu$NS experiments
• Neutrino Electromagnetic Properties and the Weak Mixing Angle at the LHC Forward Physics Facility
• Probing conventional and new physics at the ESS with coherent elastic neutrino-nucleus scattering
• Refined determination of the weak mixing angle at low energy
• Joint analysis of reactor and accelerator CE$\nu$NS data on germanium: implications for the Standard Model and nuclear physics
• Testing for coherence and nonstandard neutrino interactions in COHERENT data
• Anapole moment of neutrinos and radioactive sources near liquid xenon detectors
• Standard Model Tested with Neutrinos
• Muon-Decay Parameters from COHERENT
• Constraining neutrino electromagnetic properties with recent low-energy electron recoil data at dark matter direct detection experiments
• Neutrino propagation in the neutron star with uncertainties from nuclear, hadron, and particle physics
• Tensor interaction in coherent elastic neutrino-nucleus scattering
• When backgrounds become signals: neutrino interactions in xenon-based dark matter detectors
• Measuring the Low-Energy Weak Mixing Angle with Supernova Neutrinos
• Phenomenological implications of the high-precision COHERENT germanium CE$\nu$NS data
• Prospect of the NUCLEUS Experiment at Chooz for Coherent Elastic Neutrino-Nucleus Scattering and New Physics Searches
• The potential of directional neutrino detection to observe neutrino spin oscillations