MadGraph5_aMC@NLO automates tree-level, NLO, shower-matched, and merged cross-section computations for collider processes in a unified flexible framework.
Vector boson pair production at the LHC
8 Pith papers cite this work. Polarity classification is still indexing.
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abstract
We present phenomenological results for vector boson pair production at the LHC, obtained using the parton-level next-to-leading order program MCFM. We include the implementation of a new process in the code, pp -> \gamma\gamma, and important updates to existing processes. We incorporate fragmentation contributions in order to allow for the experimental isolation of photons in \gamma\gamma, W\gamma, and Z\gamma production and also account for gluon-gluon initial state contributions for all relevant processes. We present results for a variety of phenomenological scenarios, at the current operating energy of \sqrt{s} = 7 TeV and for the ultimate machine goal, \sqrt{s} = 14 TeV. We investigate the impact of our predictions on several important distributions that enter into searches for new physics at the LHC.
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representative citing papers
Differential cross sections for ttbar production in e+e-, mu+mu-, and e mu channels measured versus dineutrino pT and azimuthal separation using 138 fb-1 of 13 TeV CMS data, unfolded to particle level with unregularized least squares and found consistent with SM and MC predictions.
No evidence found for additional Higgs boson pairs in Type-X 2HDM; new limits exclude the model for explaining the muon anomalous magnetic moment anomaly.
The STAR W+/W- cross section ratio is minimally affected by fiducial constraints and pT resummation, providing robust discrimination between ar d(x) and ar u(x) PDF models at x ~ 0.1 via L2 sensitivity and reweighting.
No significant excess observed in CMS four-lepton data; 95% CL upper limits set on heavy scalar resonance production cross section times BR(ZZ) ranging 0.05-0.1 pb at low mass to 0 pb at high mass.
The document reports the first year of activity of the VBSCan COST Action network on vector-boson scattering phenomenology and experiments from a 2018 workshop.
A primer that surveys the architecture, methodologies, computational challenges, and future trajectory of the Monte Carlo event generator ecosystem in collider physics.
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The Monte Carlo Ecosystem in High-Energy Physics: A Primer
A primer that surveys the architecture, methodologies, computational challenges, and future trajectory of the Monte Carlo event generator ecosystem in collider physics.