Answers are grounded in this paper and cite their sources.
We study mono- W signals of dark matter (DM) production at the LHC, in the context of gauge invariant renormalizable models. We analyze two simplified models, one involving an s -channel Z ' mediator and the other a t -channel colored scalar mediator, and consider examples in which the DM-quark couplings are either isospin conserving or isospin violating after electroweak symmetry breaking. While previous work on mono- W signals have focused on isospin violating EFTs, obtaining very strong limits, we find that isospin violating effects are small once such physics is embedded into a gauge invariant simplified model. We thus find that the 8 TeV mono- W results are much less constraining than those arising from mono-jet searches. Considering both the leptonic (mono-lepton) and hadronic (mono fat jet) decays of the W , we determine the 14 TeV LHC reach of the mono- W searches with 3000 fb −1 of data. While a mono- W signal would provide an important complement to a mono-jet discovery channel, existing constraints on these models imply it will be a challenging signal to observe at the 14 TeV LHC.
No takes yet. Share an insight, caveat, or question.
Bell et al. (2016) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: