Abstract
We review theoretical calculations for top-quark production that include complete next-to-leading-order QCD corrections as well as higher-order soft-gluon corrections from threshold resummation. We discuss in detail the differences between various approaches that have appeared in the literature and review results for top-quark total cross sections and differential distributions at the Tevatron and the LHC.
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Notes
The parametric scaling \(M_{t\bar{t}}\sim m_{t}\) is assumed, which is valid as long as the top quarks are not too highly boosted.
Note that independent variations of μ F and μ R in [14] do not increase the uncertainty for LHC energies.
Experiment actually measures the asymmetry with respect to the rapidity difference \(y_{t}-y_{\bar{t}}\), but this is equivalent to (37) in the \(t\bar{t}\) frame so we do not distinguish this as a separate observable.
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Acknowledgements
The work of N.K. was supported by the National Science Foundation under Grant No. PHY 0855421.
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Kidonakis, N., Pecjak, B.D. Top-quark production and QCD. Eur. Phys. J. C 72, 2084 (2012). https://doi.org/10.1140/epjc/s10052-012-2084-0
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DOI: https://doi.org/10.1140/epjc/s10052-012-2084-0