Higher-order QCD predictions for dark matter production in mono- Z searches at the LHC

6533b855fe1ef96bd12afe27

RESEARCH PRODUCT

Higher-order QCD predictions for dark matter production in mono- Z searches at the LHC

Jian Wang Matthias Neubert Matthias Neubert Cen Zhang

subject

Quantum chromodynamics Physics Nuclear and High Energy Physics Particle physics Large Hadron Collider 010308 nuclear & particles physics Scalar (mathematics)Dark matter High Energy Physics::Phenomenology FOS: Physical sciences 01 natural sciences High Energy Physics - Phenomenology High Energy Physics - Phenomenology (hep-ph)0103 physical sciences High Energy Physics::Experiment 010306 general physics

description

We present theoretical predictions for mono-$Z$ production in the search for dark matter in Run-II at the LHC, including next-to-leading order QCD corrections and parton-shower effects. We consider generic simplified models with vector and scalar $s$-channel mediators. The calculation is performed by implementing the simplified models in the FeynRules/MadGraph5_aMC@NLO framework, which allows us to include higher-order QCD corrections and parton-shower effects in an automated way. We find that these corrections are sizeable and help to reduce the theoretical uncertainties. We also investigate the discovery potential in several benchmark scenarios in the 13 TeV run at the LHC.

year	journal	country	edition	language
2015-09-18	Journal of High Energy Physics

10.1007/jhep02(2016)082 http://repo.scoap3.org/api

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