A Light Mediator Relating Neutrino Reactions
Abstract
The extension of the standard model with a multiplicative U(1)R factor is consistent with a light vector boson. In its simplest realization, only right-handed particles carry charges of the new group. In this model, there is a residual τ3R symmetry and one new coupling constant which correlates neutrino interactions. We compute new contributions to antineutrino-electron scattering and coherent scattering on nuclei, and compare them with the XENON1T result.
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