Higgs production via gluon-gluon fusion with finite top mass beyond next-to-leading order

Simone Marzani, Richard D. Ball, Vittorio Del Duca, Stefano Forte, Alessandro Vicini

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

We present a computation of the cross section for inclusive Higgs production in gluon-gluon fusion for finite values of the top mass in perturbative QCD to all orders in the limit of high pat-tonic center-of-mass energy. We show that at NLO the high energy contribution accounts for most of the difference between the result found with finite top mass and that obtained in the limit m(t) --> infinity. We use our result to improve the known NNLO order result obtained at m(t) -> infinity. We estimate the effect of the high energy NNLO m(t) dependence on the K factor to be of the order of a few per cent.

Original languageEnglish
Pages (from-to)127-145
Number of pages19
JournalNuclear physics b
Volume800
Issue number1-2
DOIs
Publication statusPublished - 1 Sept 2008

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