A search for dark matter produced with one or two top quarks finds no significant signal and excludes scalar and pseudoscalar mediator masses below 310 and 320 GeV at 95% confidence.
Electroweak corrections to monojet production at the Tevatron and the LHC
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abstract
Single-jet production with missing transverse momentum is one of the most promising discovery channels for new physics at the LHC. In the Standard Model, Z + jet production with a Z-boson decay into neutrinos leads to this monojet signature. To improve the corresponding Standard Model predictions, we present the calculation of the full next-to-leading-order (NLO) electroweak corrections and a recalculation of the NLO QCD corrections to monojet production at the Tevatron and the LHC. We discuss the phenomenological impact on the total cross sections as well as on relevant differential distributions.
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Search for dark matter produced in association with one or two top quarks in proton-proton collisions at $\sqrt{s}$ = 13 TeV
A search for dark matter produced with one or two top quarks finds no significant signal and excludes scalar and pseudoscalar mediator masses below 310 and 320 GeV at 95% confidence.