WZ production beyond NLO for high-pT observables

Sep, 2012
6 pages
Published in:
  • Phys.Lett.B 718 (2012) 100-104
  • Published: Nov 15, 2012
e-Print:
Report number:
  • FTUV-12-0920,
  • KA-TP-36-2012,
  • LPN12-102,
  • SFB-CPP-12-70,
  • IPPP-12-70,
  • DCPT-12-140

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Abstract: (Elsevier)
We use the LoopSim and VBFNLO packages to investigate a merged sample of partonic events that is accurate at NLO in QCD simultaneously for the WZ and WZ + jet production processes. In certain regions of phase space such a procedure is expected to account for the dominant part of the NNLO QCD corrections to the WZ production process. For a number of commonly used experimental observables, we find that these corrections are substantial, in the 30–100% range and in some cases their inclusion can reduce scale uncertainties by a factor of two. As in the underlying VBFNLO calculations, we include the leptonic decays of the vector bosons and all off-shell and finite-width effects.
Note:
  • 6 pages, 4 figures
  • 14.70.Hp
  • 13.85.-t
  • 12.38.Bx
  • 14.70.Fm
  • quantum chromodynamics: correction
  • jet: hadroproduction
  • vector boson: leptonic decay
  • phase space
  • effect: off-shell
  • p p: inclusive reaction
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