Four-lepton production at hadron colliders: AMC@NLO predictions with theoretical uncertainties

Rikkert Frederix, Stefano Frixione, Valentin Hirschi, Fabio Maltoni, Roberto Pittau, Paolo Torrielli

Research output: Contribution to journalArticlepeer-review

99 Citations (SciVal)

Abstract

We use aMC@NLO to study the production of four charged leptons at the LHC, performing parton showers with both HERWIG and Pythia6. Our underlying matrix element calculation features the full next-to-leading order O(α S) result and the O(α S 2) contribution of the gg channel, and it includes all off-shell, spin-correlation, virtualphoton-exchange, and interference effects. We present several key distributions together with the corresponding theoretical uncertainties. These are obtained through a process-independent technique that allows aMC@NLO to compute scale and PDF uncertainties in a fully automated way and at no extra CPU-time cost.

Original languageEnglish
Article number099
JournalJournal of High Energy Physics
Volume2012
Issue number2
DOIs
Publication statusPublished - 2012
Externally publishedYes

Subject classification (UKÄ)

  • Subatomic Physics

Keywords

  • Hadronic colliders
  • NLO computations
  • QCD
  • Standard model

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