Four-lepton production at hadron colliders: aMC@NLO predictions with theoretical uncertainties
(2012) Journal of High Energy Physics — Vol. 1202, p. 99 (2012)
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- 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 $O(\alpha_S)$ result and the $O(\alpha_S^2)$ contribution of the $gg$ channel, and it includes all off-shell, spin-correlation, virtual-photon-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
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Citations
Frederix, R., Frixione, S., Hirschi, V., Maltoni, F., Pittau, R., & Torrielli, P. (2012). Four-lepton production at hadron colliders: aMC@NLO predictions with theoretical uncertainties. Journal of High Energy Physics, 1202, 99. https://doi.org/10.1007/JHEP02(2012)099 (Original work published 2012)