NLO QCD corrections to ZZ+jet production at hadron colliders

Details NLO QCD corrections to ZZ+jet production at hadron colliders NLO QCD corrections to ZZ+jet production at hadron colliders

2009-11-16

arxiv.org/abs/0911.3181v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 4 figures, 4 tables; added 1 reference, version to appear in Phys. Lett. B

Scientific paper

A fully differential calculation of the next-to-leading order QCD corrections to the production of Z-boson pairs in association with a hard jet at the Tevatron and LHC is presented. This process is an important background for Higgs particle and new physics searches at hadron colliders. We find sizable corrections for cross sections and differential distributions, particularly at the LHC. Residual scale uncertainties are typically at the 10% level and can be further reduced by applying a veto against the emission of a second hard jet. Our results confirm that NLO corrections do not simply rescale LO predictions.

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