Constraining Light Mediators via Detection of Coherent Elastic Solar Neutrino Nucleus Scattering

Abstract

Dark matter (DM) direct detection experiments are entering the multiple-ton era and will be sensitive to the coherent elastic neutrino nucleus scattering (CE$\nu$NS) of solar neutrinos, enabling the possibility to explore contributions from new physics with light mediators at the low energy range. In this paper we consider light mediator models (scalar, vector and axial vector) and the corresponding contributions to the solar neutrino CE$\nu$NS process. Motivated by the current status of new generation of DM direct detection experiments and the future plan, we study the sensitivity of light mediators in DM direct detection experiments of different nuclear targets and detector techniques. The constraints from the latest ${}^8$B solar neutrino measurements of XENON-1T are also derived. Finally, We show that the solar neutrino CE$\nu$NS process can provide stringent limitation on the $L_{\mu }-L_{\tau }$ model with the vector mediator mass below 100 MeV, covering the viable parameter space of the solution to the $(g-2{)}_{\mu }$ anomaly.

25 pages, 5 figures

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Cited by in corpus (1)

• Solar neutrino constraints on light mediators through coherent elastic neutrino-nucleus scattering