Next-to-leading order QCD predictions for Z,gamma*+3-jet distributions at the Tevatron
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Next-to-leading order QCD predictions for Z,γ*+3-jet distributions at the Tevatron
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Using BlackHat in conjunction with SHERPA, we have computed next-to-leading order QCD predictions for a variety of distributions in Z,γ*+1, 2, 3-jet production at the Tevatron, where the Z boson or off-shell photon decays into an electron-positron pair. We find good agreement between the next-to-leading order results for jet pT distributions and measurements by CDF and D0. We also present jet-production ratios, or probabilities of finding one additional jet. As a function of vector-boson pT, the ratios have distinctive features which we describe in terms of a simple model capturing leading logarithms and phase-space and parton-distribution-function suppression.
Date issued
2010-10Department
Massachusetts Institute of Technology. Center for Theoretical PhysicsJournal
Physical Review D
Publisher
American Physical Society
Citation
Berger, C. F. et al. “Next-to-leading order QCD predictions for Z, gamma^{*}+3-jet distributions at the Tevatron.” Physical Review D 82.7 (2010): 074002. © 2010 The American Physical Society.
Version: Final published version
ISSN
1550-7998