arXiv subjects

Lucia Hosekova

Publications and source records attributed to Lucia Hosekova.

2 recordsLinked to original sources

arXiv2013

NLO QCD corrections to $pp\rightarrow e^+ν_eμ^+ν_μjj$ in vector-boson fusion at the LHC

We report on studies of next-to-leading order (NLO) QCD corrections to the process $pp\rightarrow e^+ν_eμ^+ν_μjj$ which is associated with vector-boson fusion (VBF) production of an intermediate $W^+W^+$ pair. The impact of s-channel diagrams and interference contributions in VBF kinematics is analyzed at leading order (LO) and found to be entirely negligible. The NLO corrections are around 5% of the LO cross section, and the scale dependence is reduced to about ~1%. We introduce a dynamic scale which improves the K factor in the high-energy tails of the distributions.

hep-ph↗

arXiv2012

NLO QCD corrections to W+ W+ jj production in vector-boson fusion at the LHC

We present a next-to-leading-order QCD calculation for e+νeμ+νμjj production in vector-boson fusion, i.e. the scattering of two positively charged W bosons at the LHC. We include the complete set of electroweak leading-order diagrams for the six-particle final state and quantitatively assess the size of the s-channel and interference contributions in VBF kinematics. The calculation uses the complex-mass scheme to describe the W-boson resonances and is implemented into a flexible Monte Carlo generator. Using a dynamical scale based on the transverse momenta of the jets, the QCD corrections stay below about 10% for all considered observables, while the residual scale dependence is at the level of 1%.

hep-ph↗