Search for exotic neutrino-electron interactions using solar neutrinos in XMASS-I

Abstract

We have searched for exotic neutrino-electron interactions that could be produced by a neutrino millicharge, by a neutrino magnetic moment, or by dark photons using solar neutrinos in the XMASS-I liquid xenon detector. We observed no significant signals in 711 days of data. We obtain an upper limit for neutrino millicharge of 5.4$\times$10${}^{-12}e$ at 90\% confidence level assuming all three species of neutrino have common millicharge. We also set flavor dependent limits assuming the respective neutrino flavor is the only one carrying a millicharge, $7.3\times 10^{-12}e$ for ${\nu }_e$, $1.1\times 10^{-11}e$ for ${\nu }_{\mu }$, and $1.1\times 10^{-11}e$ for ${\nu }_{\tau }$. These limits are the most stringent yet obtained from direct measurements. We also obtain an upper limit for the neutrino magnetic moment of 1.8$\times$10${}^{-10}$ Bohr magnetons. In addition, we obtain upper limits for the coupling constant of dark photons in the $U(1{)}_{B-L}$ model of 1.3$\times$10${}^{-6}$ if the dark photon mass is 1$\times 10^{-3}$ MeV$/c^2$, and 8.8$\times$10${}^{-5}$ if it is 10 MeV$/c^2$.

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Cited by in corpus (15)

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• Impact of the Dresden-II and COHERENT neutrino scattering data on neutrino electromagnetic properties and electroweak physics
• Implications of first LZ and XENONnT results: A comparative study of neutrino properties and light mediators
• A search for new physics in low-energy electron recoils from the first LZ exposure
• New constraint on neutrino magnetic moment and neutrino millicharge from LUX-ZEPLIN dark matter search results
• Neutrino Electromagnetic Properties
• Reactor antineutrinos CE$\nu$NS on germanium: CONUS+ and TEXONO as a new gateway to SM and BSM physics
• Neutrino-antineutrino oscillations induced by strong magnetic fields in dense matter
• Search for exotic interactions of solar neutrinos in the CDEX-10 experiment
• Neutrino Electromagnetic Properties and the Weak Mixing Angle at the LHC Forward Physics Facility
• Direct dark matter searches with the full data set of XMASS-I
• Constraining neutrino electromagnetic properties with recent low-energy electron recoil data at dark matter direct detection experiments
• When backgrounds become signals: neutrino interactions in xenon-based dark matter detectors
• Search for neutrinoless quadruple beta decay of ${}^{136}$Xe in XMASS-I
• Search for New Physics via Low-Energy Electron Recoils with a 4.2 Tonne\times Year Exposure from the LZ Experiment