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

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

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review


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.

TidskriftJournal of High Energy Physics
StatusPublished - 2012
Externt publiceradJa

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