Institute for Theoretical Particle Physics (TTP)

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preprints:2008:ttp08-44 [2016/03/17 11:03] (current)
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 +====== TTP08-44 Hadronic top-quark pair production in association with a hard jet at next-to-leading order QCD: Phenomenological studies for the Tevatron and the LHC ====== 
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 +   <hidden TTP08-44  Hadronic top-quark pair production in association with a hard jet at next-to-leading order QCD: Phenomenological studies for the Tevatron and the LHC > We report on the calculation of the next-to-leading order QCD corrections to the production of top--antitop-quark pairs in association with a hard jet at the Tevatron and at the LHC. Results for integrated and differential cross sections are presented. We find a significant reduction of the scale dependence. In most cases the corrections are below 20% indicating that the perturbative expansion is well under control. Moreover, the forward--backward charge asymmetry of the top-quark, which is analyzed at the Tevatron, is studied at next-to-leading order. We find large corrections suggesting that the definition of the observable has to be refined. 
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 +|**S.Dittmaier, P.Uwer, S.Weinzierl**  |  
 +|**  Eur.Phys.J.  C59 625-646 2009  **  | 
 +| {{preprints:2008:ttp08-44.pdf|PDF}} {{preprints:2008:ttp08-44.ps|PostScript}} [[http://arxiv.org/abs/0810.0452|arXiv]]   | 
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