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Neutrino-Electron Scattering: General Constraints on Z' and Dark Photon Models
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Neutrino-Electron Scattering: General Constraints on Z' and Dark Photon Models
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We study the framework of $U(1)_X$ models with kinetic mixing and/or mass mixing terms. We give general and exact analytic formulas and derive limits on a variety of $U(1)_X$ models that induce new physics contributions to neutrino-electron scattering, taking into account interference between the new physics and Standard Model contributions. Data from TEXONO, CHARM-II and GEMMA are analyzed and shown to be complementary to each other to provide the most restrictive bounds on masses of the new vector bosons. In particular, we demonstrate the validity of our results to dark photon-like as well as light $Z^\prime$ models.
Forward citations
Cited by 4 Pith papers
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Five-dimensional U(1)_{Lμ-Lτ} model predicts multiple gauge bosons whose contributions to elastic neutrino-electron scattering can be probed at DUNE, covering much of the muon (g-2) consistent parameter space.
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Improved limits on a new $Z'$ in $B-L$ scenarios with the NA64 experiment at CERN
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