Finite-top-mass effects in NNLO Higgs production

Details Finite-top-mass effects in NNLO Higgs production Finite-top-mass effects in NNLO Higgs production

2008-09-29

arxiv.org/abs/0809.4934v2

Nuclear Physics B 186C (Proceedings Supplements) (2009) pp. 98-101

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 4 figures; to be published in the proceedings of QCD2008. Reference added

Scientific paper

10.1016/j.nuclphysbps.2008.12.01

We construct an accurate approximation to the exact NNLO cross section for Higgs production in gluon-gluon fusion by matching the dominant finite top mass corrections recently computed by us to the known result in the infinite mass limit. The ensuing corrections to the partonic cross section are very large when the center of mass energy of the partonic collision is much larger than the Higgs mass, but lead to a moderate correction at the percent level to the total Higgs production cross section at the LHC. Our computation thus reduces the uncertainty related to these corrections at the LHC from the percent to the per mille level.

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