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Exploring New Physics with PandaX-4T Low Energy Electronic Recoil Data

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arxiv 2408.07641 v2 pith:MN5DM2OP submitted 2024-08-14 hep-ex

classification hep-ex
keywords darkaxionsbackgroundelectronicfermionicinteractionsmagneticmatter
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

New particles beyond the standard model of particle physics, such as axions, can be effectively searched through their interactions with electrons. We use the large liquid xenon detector PandaX-4T to search for novel electronic recoil signals induced by solar axions, neutrinos with anomalous magnetic moment, axionlike particles, dark photons, and light fermionic dark matter. A detailed background model is established using the latest datasets with 1.54 $\rm ton \cdot yr$ exposure. No significant excess above the background has been observed, and we have obtained competitive constraints for axion couplings, neutrino magnetic moment, and fermionic dark matter interactions.

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Forward citations

Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Supernova cooling from neutrino-devouring dark matter

    hep-ph 2025-07 conditional novelty 6.0 of 10

    Supernova cooling excludes fermionic dark matter produced by neutrino scattering down to cross sections of about 10^-58 cm^2 for electrons and 10^-56 cm^2 for nucleons across the keV to 100 MeV mass range.

  2. Constraints on millicharged particles from nuclear gamma-decays

    hep-ph 2025-07 conditional novelty 6.0 of 10

    Nuclear gamma cascades in reactors produce millicharged particle pairs, giving the strongest constraints on millicharge for masses between 0.7 and 2 MeV.

  3. Direct detection of solar chameleons with electron recoil data from XENONnT

    hep-ph 2025-11 conditional novelty 5.0 of 10

    XENONnT electron-recoil data bound solar chameleons to log10 β_eff < −6.9, independent of the potential index n for inverse power-law chameleons at the dark-energy scale.

  4. Towards the Swampland of Flavour Symmetries

    hep-ph 2026-07 conditional novelty 4.0 of 10

    A thesis claiming flavour theories with explicitly broken (or absent) symmetries can be as predictive and TeV-testable as symmetry-protected ones, demonstrated via type-II seesaw textures, minimal SO(10) with leptoqua...

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