Next-to-leading order QCD predictions for W+W+jj production at the LHC

Details Next-to-leading order QCD predictions for W+W+jj production at the LHC Next-to-leading order QCD predictions for W+W+jj production at the LHC

2010-07-29

arxiv.org/abs/1007.5313v3

JHEP 1012:053,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 5 (lovely) figures, v3 accepted for publication in JHEP, corrects tables in appendix

Scientific paper

10.1007/JHEP12(2010)053

Because the LHC is a proton-proton collider, sizable production of two positively charged W-bosons in association with two jets is possible. This process leads to a distinct signature of same sign high-pt leptons, missing energy and jets. We compute the NLO QCD corrections to the QCD-mediated part of pp -> W+W+jj. These corrections reduce the dependence of the production cross-section on the renormalization and factorization scale to about +- 10 percent. We find that a large number of W+W+jj events contain a relatively hard third jet. The presence of this jet should help to either pick up the W+W+jj signal or to reject it as an unwanted background.

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