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Non-standard interactions of solar neutrinos in dark matter experiments
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Non-standard neutrino interactions (NSI) affect both their propagation through matter and their detection, with bounds on NSI parameters coming from various astrophysical and terrestrial neutrino experiments. In this paper, we show that NSI can be probed in future direct dark matter detection experiments through both elastic neutrino-electron scattering and coherent neutrino-nucleus scattering, and that these channels provide complementary probes of NSI. We show NSI can increase the event rate due to solar neutrinos, with a sharp increase for lower nuclear recoil energy thresholds that are within reach for upcoming detectors. We also identify an interference range of NSI parameters for which the rate is reduced by approximately 40\%. Finally, we show that the "dark side" solution for the solar neutrino mixing angle may be discovered at forthcoming direct detection experiments.
Forward citations
Cited by 9 Pith papers
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Invisible decay of solar neutrinos at dark matter experiments
Combining XENONnT, PandaX-4T, and LZ data gives the first CEνNS-based limit on invisible solar-neutrino decay, and a future xenon detector could beat dedicated solar experiments by 1 to 2 orders of magnitude.
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Neutrino electromagnetic properties and sterile dipole portal in light of the first solar CE$\nu$NS data
The paper derives the first 90% CL limits on neutrino magnetic moments, millicharges, and the sterile dipole portal from solar 8B CEνNS data in XENONnT and PandaX-4T.
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Bounds on new neutrino interactions from the first CE$\nu$NS data at direct detection experiments
Using the first solar 8B CEνNS hints from XENONnT and PandaX-4T, the authors derive a combined low-energy weak mixing angle and place 90% limits on scalar, vector, axial-vector, and tensor neutrino mediator couplings.
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$\texttt{SNuDD}$: Solar Neutrinos for Direct Detection
SNuDD computes solar-neutrino recoil spectra with non-standard interactions and derives NSI limits from xenon direct-detection data that are competitive with dedicated neutrino experiments.
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Testing light and heavy vector mediators with solar CE$\nu$NS measurements
Combined solar CEνNS data from XENONnT, PandaX-4T, and LZ yield competitive constraints on vector NSI and light mediators and a weak mixing angle measurement at low momentum transfer.
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Elastic neutrino-electron scattering perspectives at nuclear reactors
Projections show CLOUD and TAO could improve low-energy weak mixing angle measurements to 8-11% via elastic neutrino-electron scattering, with competitive magnetic moment and NSI limits.
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Information-theoretic astrophysical uncertainties in the effective theory of dark matter direct detection
Using an information-theoretic bound on the halo velocity distribution, dark matter direct-detection limits vary from <10x to ~10,000x near threshold depending on the EFT operator, with higher velocity-weighting opera...
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New light mediators and the neutrino fog: Implications from XENONnT nuclear recoil data
Light-mediator couplings are constrained more strongly when they attach to dark matter than to neutrinos, and the neutrinofog in xenon detectors is shifted and deformed under both scenarios.
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Clarity through the Neutrino Fog: Constraining New Forces in Dark Matter Detectors
The first solar CEνNS data from PandaX-4T and XENONnT give world-leading laboratory constraints on light scalar and vector mediators for masses below about 50 MeV.
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