Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 1, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP01(2013)080
Keywords
QCD Phenomenology; NLO Computations
Categories
Funding
- Deutsche Forschungsgemeinschaft
- DFG [Sonderforschungsbereich/Transregio 9 Computergestutzte Theoretische Teilchenphysik]
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We compute the next-to-next-to-leading order QCD correction to the total inclusive top pair production cross-section in the reaction qg -> t (t) over bart + X. We find moderate O(1%) correction to central values at both Tevatron and LHC. The scale variation of the cross-section remains unchanged at the Tevatron and is significantly reduced at the LHC. We find that recently introduced approximation based on the high-energy limit of the top pair cross-section significantly deviates from the exact result. The results derived in the present work are included in version 1.4 of the program Top++. Work towards computing the reaction gg -> t (t) over bar + X is ongoing.
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