Updated predictions for the total production cross sections of top and of heavier quark pairs at the Tevatron and at the LHC

2008/04/30 by Matteo Cacciari, Stefano Frixione, Michelangelo L. Mangano +3 · 9 citations
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph

paper · pdf · doi:10.1088/1126-6708/2008/09/127

published as JHEP 0809:127,2008 · Updated description of comparison with 0804.1476. Improvements in text and update of published references. No changes in results. Version to appear in JHEP. v3 fixes a typo in the authors' list

openalex publication_date 2008/09/26 · arxiv created 2008/10/05 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We present updated predictions for the total production cross section of top-quark pairs at the Tevatron and at the LHC, and, at the LHC, of heavy-quark pairs with mass in the range 0.5-2 TeV. For tt production at the LHC we also present results at √(S)= 10 TeV, in view of the expected accelerator conditions during the forthcoming 2008 run. Our results are accurate at the level of next-to-leading order in alpha_s, and of next-to-leading threshold logarithms (NLO+NLL). We adopt the most recent parametrizations of parton distribution functions, and compute the corresponding uncertainties. We study the dependence of the results on the top mass, and we assess the impact of missing higher-order corrections by independent variations of factorisation and renormalisation scales.

Citations

• Parton Distribution Function Uncertainties

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