QCD corrections to electroweak l nu_l jj and l^+ l^- jj production

Details QCD corrections to electroweak l nu_l jj and l^+ l^- jj production QCD corrections to electroweak l nu_l jj and l^+ l^- jj production

2003-10-13

arxiv.org/abs/hep-ph/0310156v2

Phys.Rev. D69 (2004) 093004

Physics

High Energy Physics

High Energy Physics - Phenomenology

26 pages, 10 figures. PRD final version. One reference corrected, introduction expanded

Scientific paper

10.1103/PhysRevD.69.093004

The production of W or Z bosons in association with two jets is an important background to the Higgs boson search in vector-boson fusion at the LHC. The purely electroweak component of this background is dominated by vector-boson fusion, which exhibits kinematic distributions very similar to the Higgs boson signal. We consider the next-to-leading order QCD corrections to the electroweak production of l nu_l jj and l^+ l^- jj events at the LHC, within typical vector-boson fusion cuts. We show that the QCD corrections are modest, increasing the total cross sections by about 10%. Remaining scale uncertainties are below 2%. A fully-flexible next-to-leading order partonic Monte Carlo program allows to demonstrate these features for cross sections within typical vector-boson-fusion acceptance cuts. Modest corrections are also found for distributions.

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