Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-11-03
Physics
High Energy Physics
High Energy Physics - Phenomenology
21 pages, 9 figures, 3 tables
Scientific paper
Novel contributions to the total inclusive cross section for Higgs-Strahlung in the Standard Model at hadron colliders are evaluated. Although formally of order $\alpha_s^2$, they have not been taken into account in previous NNLO predictions. The terms under consideration are induced by Higgs radiation off top-quark loops and thus proportional to the top-quark Yukawa coupling. At the Tevatron, their effects to HW production are below 1% in the relevant Higgs mass range, while for HZ production, we find corrections between about 1% and 2%. At the LHC, the contribution of the newly evaluated terms to the cross section is typically of the order of 1%-3%. Based on these results, we provide updated predictions for the total inclusive Higgs-Strahlung cross section at the Tevatron and the LHC.
Brein Oliver
Harlander Robert
Wiesemann Marius
Zirke Tom
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