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Singlet Dirac Fermion Dark Matter with Mediators at Loop

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arxiv 1808.06301 v2 pith:ULUZ5VAB submitted 2018-08-20 hep-ph

classification hep-ph
keywords darkmatterdiracfermionsingletdipoleelectricmediators
verification ladder T0 review T1 audit T2 compute T3 formal
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We study the phenomenology of singlet Dirac fermion dark matter in the simplified models where the dark matter interacts with the Standard Model particles at loop-level with the help of either colored or non-colored mediators. We especially focus on the implications of non-zero CP phases in the dark sector, which induce the electric dipole moments of the Dirac fermion dark matter as well as those of electron and nucleon. It is then found that the dark matter direct detection searches and the measurements of the electric dipole moments are able to test the singlet Dirac fermion dark matter scenario in the forthcoming experiments.

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Cited by 2 Pith papers

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

  1. The Dark Side of a Tera-Z Factory

    hep-ph 2025-07 conditional novelty 7.0 of 10

    Future Tera-Z runs at FCC-ee/CEPC could indirectly probe TeV-scale t-channel dark matter portals through one-loop and two-loop electroweak precision shifts, and in leptophilic models would be the only planned experime...

  2. Heavy singlet fermionic dark matter with $Z_4$ symmetry

    hep-ph 2026-06 unverdicted novelty 3.0 of 10

    In the Z4-symmetric singlet fermionic DM model with a new scalar, viable heavy-DM parameter space in the secluded regime permits non-negligible Higgs mixing while satisfying relic density and direct detection bounds.

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