Abstract
We perform a detailed analysis of next-to-leading order plus parton-shower matching in vector-boson-fusion WW production including leptonic decays. The study is performed in the Herwig 7 framework interfaced to VBFNLO 3, using the angular-ordered and dipole-based parton-shower algorithms combined with the subtractive and multiplicative-matching algorithms.
Highlights
Vector-boson fusion (VBF) and vector-boson scattering (VBS) belong to an important class of processes for the Large Hadron Collider (LHC) at CERN
The VBFNLO implementation contains some extensions on top of the standard to access additional features such as the internal phasespace generator, which has been used for the results presented in this article
We have presented a study of Next-to-leading order (NLO) QCD predictions for electroweak W W plus two-jet production including leptonic decays, off-shell effects and non-resonant contributions
Summary
Vector-boson fusion (VBF) and vector-boson scattering (VBS) belong to an important class of processes for the Large Hadron Collider (LHC) at CERN. While corrections to the inclusive cross section, calculated in the structurefunction approach, are well below the percent level [65,66], there are much larger effects when considering differential distributions in the VBF approximation [67]. These are, mostly due to the additional effects from double realradiation processes. For a detailed understanding of VBF processes the matching of NLO QCD predictions with parton showers is necessary.
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