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The Dark Z' Portal: Direct, Indirect and Collider Searches

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arxiv 1312.5281 v1 pith:PRH3FJQJ submitted 2013-12-18 hep-ph astro-ph.HE

Alexandre Alves , Stefano Profumo , Farinaldo S. Queiroz This is my paper · ORCID
classification hep-phastro-ph.HE
keywords darkmatterportalboundscollidereventssearchesabundance
verification ladder T0 review T1 audit T2 compute T3 formal
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We perform a detailed study of the dark Z' portal using a generic parametrization of the Z'-quarks couplings, both for light (8-15)GeV and heavy (130-1000)GeV dark matter scenarios. We present a comprehensive study of the collider phenomenology including jet clustering, hadronization, and detector artifacts, which allows us to derive accurate bounds from the search for new resonances in dijet events and from mono-jet events in the LHC 7TeV, LHC 8TeV, and Tevatron 1.96 TeV data. We also compute the dark matter relic abundance, the relevant scattering cross sections and pair-annihilation spectrum, and compare our results with the current PLANCK, Fermi-LAT and XENON100/LUX bounds. Lastly, we highlight the importance of complementary searches for dark matter, and outline the excluded versus still viable parameter space regions of the dark Z' portal.

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Cited by 3 Pith papers

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

  1. Custodial Naturalness

    hep-ph 2025-02 conditional novelty 6.0 of 10

    Custodial Naturalness uses classical scale invariance plus a custodial SO(6) symmetry to make the Higgs a naturally light pseudo-Goldstone boson, with testable new particle predictions.

  2. Reviving $Z^\prime$ Portal Dark Matter with Conversion Mechanism

    hep-ph 2025-12 conditional novelty 4.0 of 10

    In a U(1)_{B-L} Z' portal model with two nearly degenerate dark fermions, the conversion mechanism can produce the observed dark matter relic density while evading current collider and direct-detection constraints.

  3. LHC and HL-LHC Bounds on Visible and Invisible Decays in the $B-L$ Model

    hep-ph 2024-12 conditional novelty 4.0 of 10

    Using public ATLAS dilepton data, the B-L Z' is excluded below 4-6 TeV for g_BL=0.1-0.5, with limits relaxing when invisible decays are allowed and extending to about 7.5 TeV at HL-LHC.

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