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Solar neutrino constraints on light mediators through coherent elastic neutrino-nucleus scattering
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abstract
We investigate new physics with light-neutral mediators through coherent elastic neutrino-nucleus scattering (CE$\nu$NS) at low energies. These mediators, with a mass of less than $1$ GeV, are common properties for extensions of the Standard Model (SM). We consider general scalar, vector, and tensor interactions allowed by Lorentz invariance and involve universal light mediators accordingly. In addition, we study an additional vector gauge boson with an associated $U(1)'$ gauge group for a variety of models including $U(1)_{B-L}$, $U(1)_{B-3L_e}$, $U(1)_{B-3L_\mu}$, and $U(1)_{B-3L_\tau}$. These models differ in the fermion charges, which determine their contributions within the CE$\nu$NS process. The effects of each model are investigated by embedding them in the SM process using solar neutrino flux. We derive new limits on the coupling-mass plane of these models from the latest CDEX-10 data. We also present projected sensitivities involving the future experimental developments for each model. Our results provide more stringent constraints in some regions, compared to previous works. Furthermore, the projected sensitivities yield an improvement of up to one order of magnitude.
Forward citations
Cited by 4 Pith papers
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Prospect of the NUCLEUS Experiment at Chooz for Coherent Elastic Neutrino-Nucleus Scattering and New Physics Searches
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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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ALP and $Z^\prime$ boson at the Electron-Ion collider
Projected EIC tri-electron searches would constrain electron-coupled ALPs and Z' bosons more strongly than current experiments at masses of about 10-100 GeV and 10-30 GeV, respectively.
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