Physics results from the first COHERENT observation of CE$\nu$NS in argon and their combination with cesium-iodide data

Abstract

We present the results on the radius of the neutron distribution in ${}^{40}\text{Ar}$, on the low-energy value of the weak mixing angle, and on the electromagnetic properties of neutrinos obtained from the analysis of the coherent neutrino-nucleus elastic scattering data in argon recently published by the COHERENT collaboration, taking into account proper radiative corrections. We present also the results of the combined analysis of the COHERENT argon and cesium-iodide data for the determination of the low-energy value of the weak mixing angle and the electromagnetic properties of neutrinos. In particular, the COHERENT argon data allow us to improve significantly the only existing laboratory bounds on the electric charge $q_{\mu \mu }$ of the muon neutrino and on the transition electric charge $q_{\mu \tau }$.

20 pages

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• Observation of Coherent Elastic Neutrino-Nucleus Scattering
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• DIRHB -- a relativistic self-consistent mean-field framework for atomic nuclei
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Cited by in corpus (4)

• Flavor-dependent radiative corrections in coherent elastic neutrino-nucleus scattering
• Determining the nuclear neutron distribution from Coherent Elastic neutrino-Nucleus Scattering: current results and future prospects
• Complementarity between dark matter direct searches and CE$\nu$NS experiments in $U(1{)}^{\prime }$ models
• Prospects of detecting the reactor $\overline{{\nu }_e}$-Ar coherent elastic scattering with a low threshold dual-phase argon time projection chamber at Taishan