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The Top Window for dark matter

Journal Contribution - Journal Article

We investigate a scenario that the top quark is the only window to the dark matter particle. We use the effective Lagrangian approach to write down the interaction between the top quark and the dark matter particle. Requiring the dark matter satisfying the relic density we obtain the size of the effective interaction. We show that the scenario can be made consistent with the direct and indirect detection experiments by adjusting the size of the effective coupling. Finally, we calculate the production cross section for tt + XX at the Large Hadron Collidor (LHC), which will give rise to an interesting signature of a top-pair plus large missing energy.
Journal: Journal of High Energy Physics
ISSN: 1126-6708
Issue: 10
Volume: 2010
Pages: 1-14
Publication year:2010
Keywords:Beyond standard model, Cosmology of Theories beyond the SM, dark matter, CERN LHC Coll, effective Lagrangian, missing-energy, relic density, signature
  • Scopus Id: 78649713283