New results for t bar t production at hadron colliders

Details New results for t bar t production at hadron colliders New results for t bar t production at hadron colliders

2009-07-15

arxiv.org/abs/0907.2527v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 9 figures, to appear in the proceedings of the XVII International Workshop on Deep-Inelastic Scattering and Related S

Scientific paper

We present new theoretical predictions for the t bar t production cross section at NNLO at the Tevatron and the LHC. We discuss the scale uncertainty and the errors due to the parton distribution functions (PDFs). For the LHC, we present a fit formula for the pair production cross section as a function of the center of mass energy and we provide predictions for the pair production cross section of a hypothetical heavy fourth generation quark t'.

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