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New results for t bar t production at hadron colliders

Authors
  • Langenfeld, U.
  • Moch, S.
  • Uwer, P.
Type
Preprint
Publication Date
Jul 15, 2009
Submission Date
Jul 15, 2009
Source
arXiv
License
Yellow
External links

Abstract

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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