Probing Standard Model and Beyond with Reactor CE$\nu$NS Data of CONUS+ experiment

Abstract

We explore the potential of reactor antineutrino-induced Coherent Elastic Neutrino-Nucleus Scattering (CE$\nu$NS) data from the CONUS+ experiment to investigate both the Standard Model (SM) and Beyond Standard Model (BSM) scenarios. Alongside CE$\nu$NS, Elastic Neutrino-Electron Scattering (E$\nu$ES) events are also included in our analysis, enabling more stringent constraints on new physics. Within the SM, we examine the weak mixing angle as a precision test of the electroweak sector. For BSM scenarios, we constrain the parameter space of light mediators arising from neutrino generalized interactions (NGI), while also setting limits on the electromagnetic properties of neutrinos, including their charge radius, millicharge, and magnetic moment.

arXiv comment18 pages, 7 figures, 3 tables, V3: analysis updated based on the latest data release from the CONUS+ Collaboration, main conclusions remain unchanged, matches published version in PLB

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Cited by in corpus (10)

• Reactor antineutrinos CE$\nu$NS on germanium: CONUS+ and TEXONO as a new gateway to SM and BSM physics
• Constraining low scale dark hypercharge symmetry at spallation, reactor and Dark Matter direct detection experiments
• Constraints on New Physics with Light Mediators and Generalized Neutrino Interactions via Coherent Elastic Neutrino Nucleus Scattering
• Testing the dark side of neutrino oscillations with the solar neutrino fog at Dark Matter experiments
• New light mediators and the neutrino fog: Implications from XENONnT nuclear recoil data
• Design and characterization of a photosensor system for the RELICS experiment
• Measuring the Low-Energy Weak Mixing Angle with Supernova Neutrinos
• Solar Neutrino Probes of Light New Physics: Updated Limits from LUX-ZEPLIN Experiment
• Testing lepton non-unitarity with the next generation of Germanium-based CE$\nu$NS reactor experiments
• Prospect of the NUCLEUS Experiment at Chooz for Coherent Elastic Neutrino-Nucleus Scattering and New Physics Searches