Top Mass Effects in Higgs Production at Hadron Colliders

Details Top Mass Effects in Higgs Production at Hadron Colliders Top Mass Effects in Higgs Production at Hadron Colliders

2009-10-21

arxiv.org/abs/0910.4149v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 4 figures. Presented at the XXXIII International Conference of Theoretical Physics, "Matter to the Deepest", Ustron,

Scientific paper

We derive the first four terms of an expansion in mH^2/mtop^2 of the total Higgs cross-section through gluon fusion. At NLO we demonstrate the excellent convergence of this series to the known result keeping the exact top mass dependence. At NNLO there is no known exact result, and our work represents a thorough quantitative investigation of the effects of finite top mass at this order. We discuss the applicability of our approach, and present numerical results for the LHC and Tevatron.

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