LHC Bounds on Interactions of Dark Matter

Details LHC Bounds on Interactions of Dark Matter LHC Bounds on Interactions of Dark Matter

2011-08-04

arxiv.org/abs/1108.1196v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 11 figures

Scientific paper

We derive limits on the interactions of dark matter with quarks from ATLAS null searches for jets + missing energy based on ~1 fb^-1 of integrated luminosity, using a model-insensitive effective theory framework. We find that the new limits from the LHC significantly extend limits previously derived from CDF data at the Tevatron. Translated into the parameter space of direct searches, these limits are particularly effective for ~GeV mass WIMPs. Our limits indicate tension with isospin violating models satisfying minimal flavor violation which attempt to reconcile the purported CoGeNT excess with Xenon-100, indicating that either a light mediator or nontrivial flavor structure for the dark sector is necessary for a viable reconciliation of CoGeNT with Xenon.

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