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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

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

classification hep-ph astro-ph.HE
keywords darkmatterportalboundscollidereventssearchesabundance
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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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