Abstract
We discuss results for di-boson plus two jets production processes at the LHC at NLO QCD. Issues related to the scale choice are reviewed. We focus on the distributions of the invariant mass and rapidity separation of the two hardest jets and show, for W±γjj and Zγjj production, how the contribution from the radiative decays of the massive gauge bosons can be significantly reduced.
Highlights
The experimental program at the LHC for measuring the di-boson in association with two jets production processes has started
Results for the same-sign W±W± j j production process have already been reported by the ATLAS and CMS collaborations [1, 2]. They have presented first evidence for the electroweak (EW) induced production mechanism, being able to distinguish it from the QCD induced one, considered to be a background, in the framework of vector boson scattering and quartic gauge coupling measurements
The NLO QCD corrections are available via the VBFNLO program [9,10,11]
Summary
The experimental program at the LHC for measuring the di-boson in association with two jets production processes has started. The NLO QCD corrections for the QCD-induced production mechanism of order O α2sα (for on-shell production) for all the di-boson production processes have been recently completed [19,20,21,22,23,24,25,26,27,28,29] To this programme, including the leptonic decays of the vector bosons and all off-shell and spin-correlation effects, we have contributed with predictions for the W±Z j j, W±γ j j, W±W± j j, ZZ j j and Zγ j j processes and the codes are available in the VBFNLO program package.
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