Abstract
The inclusive Higgs production cross section from gluon fusion is calculated through NNLO QCD, including its top quark mass dependence. This is achieved through a matching of the 1/M t expansion of the partonic cross sections to the exact large-\(\hat{s}\) limits which are derived from k T -factorization. The accuracy of this procedure is estimated to be better than 1% for the hadronic cross section. The final result is shown to be within 1% of the commonly used effective theory approach, thus confirming earlier findings.
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Harlander, R.V., Mantler, H., Marzani, S. et al. Higgs production in gluon fusion at next-to-next-to-leading order QCD for finite top mass. Eur. Phys. J. C 66, 359–372 (2010). https://doi.org/10.1140/epjc/s10052-010-1258-x
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DOI: https://doi.org/10.1140/epjc/s10052-010-1258-x