NLO QCD corrections to pp -> top anti-top + jet + X

Details NLO QCD corrections to pp -> top anti-top + jet + X NLO QCD corrections to pp -> top anti-top + jet + X

2008-04-28

arxiv.org/abs/0804.4389v1

PoSRADCOR2007:011,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

To appear in the proceedings of 8th International Symposium on Radiative Corrections (RADCOR 2007): Application of Quantum Fie

Scientific paper

We discuss the production of top--anti-top quark pairs in association with a hard jet at the Tevatron and at the LHC and we report on the calculation of the next-to-leading order QCD corrections to this process. Numerical results for the top--anti-top+jet cross section and the forward--backward charge asymmetry are presented. The corrections stabilize the leading-order prediction for the cross section. In contrast, the charge asymmetry receives large corrections. The dependence of the cross section as well as the asymmetry on the minimum transverse momenta used to define the additional jet is studied in detail for the Tevatron.

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