The total top-pair production cross section at NNLL

Abstract

We present results for the total top-pair production cross section at the Tevatron and the LHC. Our predictions supplement fixed-order results with resummation of soft logarithms and Coulomb singularities to next-to-next-to-leading (NNLL) logarithmic accuracy and include top-antitop bound-state effects. The effects of resummation, the dependence on the PDF set used, the residual sources of theoretical uncertainty and their implication for measurements of the top-quark mass are discussed.

Comments: LaTeX, 4 pages, 2 figures. To appear in the proceedings of the 16th International Conference in Quantum ChromoDynamics (QCD12), 2-6 July 2012, Montpellier. v2: reference added