MadGraph5_aMC@NLO automates tree-level, NLO, shower-matched, and merged cross-section computations for collider processes in a unified flexible framework.
A Comprehensive approach to new physics simulations
3 Pith papers cite this work. Polarity classification is still indexing.
abstract
We describe a framework to develop, implement and validate any perturbative Lagrangian-based particle physics model for further theoretical, phenomenological and experimental studies. The starting point is FeynRules, a Mathematica package that allows to generate Feynman rules for any Lagrangian and then, through dedicated interfaces, automatically pass the corresponding relevant information to any supported Monte Carlo event generator. We prove the power, robustness and flexibility of this approach by presenting a few examples of new physics models (the Hidden Abelian Higgs Model, the general Two-Higgs-Doublet Model, the most general Minimal Supersymmetric Standard Model, the Minimal Higgsless Model, Universal and Large Extra Dimensions, and QCD-inspired effective Lagrangians) and their implementation/validation in FeynArts/FormCalc, CalcHep, MadGraph/MadEvent, and Sherpa.
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Colour-sextet top partners in composite Higgs models are excluded up to 2-2.5 TeV by current LHC data via top-rich decays, with HL-LHC reach near 3 TeV.
A three-bin E_T^miss analysis of the γ+jets+E_T^miss signature from a two-vector dark-sector EFT probes freeze-out-compatible masses up to roughly m_X1 ~ 900 GeV and m_X2 ~ 2 TeV at 139 fb^{-1}.
citing papers explorer
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The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations
MadGraph5_aMC@NLO automates tree-level, NLO, shower-matched, and merged cross-section computations for collider processes in a unified flexible framework.
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Composite top partners in exotic colour representations
Colour-sextet top partners in composite Higgs models are excluded up to 2-2.5 TeV by current LHC data via top-rich decays, with HL-LHC reach near 3 TeV.
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Photons, jets and missing momentum from a two-vector dark sector
A three-bin E_T^miss analysis of the γ+jets+E_T^miss signature from a two-vector dark-sector EFT probes freeze-out-compatible masses up to roughly m_X1 ~ 900 GeV and m_X2 ~ 2 TeV at 139 fb^{-1}.