We review recently derived NNLO QCD results for top-pair production at hadron colliders. We compare the size of the NNLO corrections in qqˉ→ttˉ+X with the LO and NLO ones, and address the question of convergence of perturbative series. We compare the NLO and NNLO K-factors for the Tevatron.
@article{arxiv.1206.0621,
title = {Progress in top-pair production at hadron colliders},
author = {Peter Baernreuther and Michal Czakon and Alexander Mitov},
journal= {arXiv preprint arXiv:1206.0621},
year = {2012}
}
Comments
4 pages, 2 figures. Contribution to Rencontres de Moriond "QCD and High Energy Interactions", La Thuile, March 10-17, 2012. v2: references updated