COHERENT constraints after the COHERENT-2020 quenching factor measurement

Abstract

Recently an improved quenching factor (QF) measurement for low-energy nuclear recoils in CsI[Na] has been reported by the COHERENT Collaboration. The new energy-dependent QF is characterized by a reduced systematic uncertainty and leads to a better agreement between the experimental COHERENT data and the Standard Model (SM) expectation. In this work, we report updated constraints on parameters that describe the process of coherent elastic neutrino-nucleus scattering within and beyond the SM, and we also present how the new QF affects their interpretation.

arXiv comment11 pages, 8 figures, 1 table, V2: used the new COHERENT quenching factor, title modified accordingly, used a binned chi-squared analysis, results updated, conclusions unchanged, matches the published version

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• Impact of the Dresden-II and COHERENT neutrino scattering data on neutrino electromagnetic properties and electroweak physics
• Low-energy probes of sterile neutrino transition magnetic moments
• Neutrino Oscillation Constraints on U(1)' Models: from Non-Standard Interactions to Long-Range Forces
• A Statistical Analysis of the COHERENT Data and Applications to New Physics
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• New insights into nuclear physics and weak mixing angle using electroweak probes
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• Impact of COHERENT measurements, cross section uncertainties and new interactions on the neutrino floor
• Nuclear neutron radius and weak mixing angle measurements from latest COHERENT CsI and atomic parity violation Cs data
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• Constraining Non-Standard Interactions with Coherent Elastic Neutrino-Nucleus Scattering at the European Spallation Source
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• Probing light vector mediators with coherent scattering at future facilities
• Reactor antineutrinos CE$\nu$NS on germanium: CONUS+ and TEXONO as a new gateway to SM and BSM physics
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• Medium effects in supernovae constraints on light mediators
• Studies of Quantum-Mechanical Coherency Effects in Neutrino-Nucleus Elastic Scattering
• Probing conventional and new physics at the ESS with coherent elastic neutrino-nucleus scattering
• Light vector bosons and the weak mixing angle in the light of future germanium-based reactor CE$\nu$NS experiments
• A Light Mediator Relating Neutrino Reactions
• Searching for new physics from SMEFT and leptoquarks at the P2 experiment
• Measuring the Low-Energy Weak Mixing Angle with Supernova Neutrinos
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• Bounds on new physics with data of the Dresden-II reactor experiment and COHERENT