Electroweak and QCD corrections to Higgs production via vector-boson fusion at the LHC

Details Electroweak and QCD corrections to Higgs production via vector-boson fusion at the LHC Electroweak and QCD corrections to Higgs production via vector-boson fusion at the LHC

2007-10-25

arxiv.org/abs/0710.4749v1

Phys.Rev.D77:013002,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

33 pages, LaTeX, 24 postscript figures

Scientific paper

10.1103/PhysRevD.77.013002

The radiative corrections of the strong and electroweak interactions are calculated at next-to-leading order for Higgs-boson production in the weak-boson-fusion channel at hadron colliders. Specifically, the calculation includes all weak-boson fusion and quark--antiquark annihilation diagrams to Higgs-boson production in association with two hard jets, including all corresponding interferences. The results on the QCD corrections confirm that previously made approximations of neglecting s-channel diagrams and interferences are well suited for predictions of Higgs production with dedicated vector-boson fusion cuts at the LHC. The electroweak corrections, which also include real corrections from incoming photons and leading heavy-Higgs-boson effects at two-loop order, are of the same size as the QCD corrections, viz. typically at the level of 5-10% for a Higgs-boson mass up to \sim 700 GeV. In general, both types of corrections do not simply rescale differential distributions, but induce distortions at the level of 10%. The discussed corrections have been implemented in a flexible Monte Carlo event generator.

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