Di-Vector Boson + Jet Production via Gluon Fusion at Hadron Colliders

TL;DR

This paper calculates the cross-sections for di-vector boson plus jet production via gluon fusion at hadron colliders, highlighting its significance as a background in Higgs and BSM searches.

Contribution

It provides the first detailed computation of gluon fusion contributions to di-vector boson plus jet processes at hadron colliders using Feynman diagrams.

Findings

$g g o Z Z g$ can significantly contribute to $p p o Z Z +$ jet

Processes considered are relevant backgrounds for Higgs and BSM physics

Cross-sections are computed for LHC energies

Abstract

We study the production of two electro-weak vector bosons in association with a jet via gluon fusion. In particular we consider the production of $\gamma Zg$, $ZZg$ and $W^{+}W^{-}g$ at hadron colliders and compute their cross-sections. Such processes have already produced large number of events at the Large Hadron Collider (LHC) by now. These processes can be background to the Higgs boson production and a number of beyond the standard model scenarios. Therefore it is important to know the values of their contribution. The calculation is based on conventional Feynman diagram approach. In particular we find that the process $g g \to Z Z g$ can make a significant contribution to the process $p p \to Z Z + {\rm jet}$.