ZZ production in gluon fusion at NLO matched to parton-shower

Abstract

We present a calculation of the next-to-leading order (NLO) QCD corrections to the hadroproduction process $gg\to ZZ\to e^{+}{e}^{-}{\mu }^{+}{\mu }^{-}$, matched to the parton shower in the POWHEG framework. We take advantage of the POWHEG BOX tool for the implementation and rely on PYTHIA 8 for the showering and hadronization stages. We fully include ${\gamma }^{\ast }/Z$ interference effects, while also covering the single-resonant region. For this phenomenological study we focus on four lepton production as a signal process, neglecting all quark mass effects as well as the Higgs-mediated contributions, which are known to be subdominant in this case. We provide predictions from our simulations for the 13 TeV LHC Run II setup, including realistic experimental cuts.

11 pages, 20 figures

References in corpus (10)

• Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC
• Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC
• ZZ production at hadron colliders in NNLO QCD
• $W^{+}{W}^{-}$ production at hadron colliders in NNLO QCD
• GoSam-2.0: a tool for automated one-loop calculations within the Standard Model and beyond
• Measurement of the pp to ZZ production cross section and constraints on anomalous triple gauge couplings in four-lepton final states at sqrt(s) = 8 TeV
• Measurement of the ZZ production cross section and search for anomalous couplings in 2l2l' final states in pp collisions at sqrt(s) = 7 TeV
• Measurement of the 4l Cross Section at the Z Resonance and Determination of the Branching Fraction of Z->4l in pp Collisions at sqrt(s) = 7 and 8 TeV with ATLAS
• Wgamma and Zgamma production at the LHC in NNLO QCD
• Two-loop helicity amplitudes for the production of two off-shell electroweak bosons in gluon fusion

Cited by in corpus (19)

• Search for heavy resonances decaying into a pair of $Z$ bosons in the ${\ell }^{+}{\ell }^{-}{\ell }^{\prime +}{\ell }^{\prime -}$ and ${\ell }^{+}{\ell }^{-}\nu \bar{\nu }$ final states using 139 fb${}^{-1}$ of proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Next-to-leading-order electroweak corrections to the production of four charged leptons at the LHC
• Higgsstrahlung at NNLL${}^{\prime }+$NNLO Matched to Parton Showers in GENEVA
• NLO QCD+NLO EW corrections to diboson production matched to parton shower
• $ZZ$ production at nNNLO+PS with MiNNLO${}_{\text{PS}}$
• Precise predictions for photon pair production matched to parton showers in GENEVA
• Next-to-next-to-leading order event generation for $Z$ boson pair production matched to parton shower
• Four lepton production in gluon fusion: off-shell Higgs effects in NLO QCD
• Higher-order EW corrections in ZZ and ZZj production at the LHC
• Four-lepton production in gluon fusion at NLO matched to parton showers
• NLO QCD corrections to polarised di-boson production in semi-leptonic final states
• $W^{\pm }Z$ production at NNLO QCD and NLO EW matched to parton showers with MiNNLO${}_{\mathrm{PS}}$
• Combining single and double parton scatterings in a parton shower
• Four lepton production and the accuracy of QED FSR
• Loop-induced $ZZ$ production at the LHC: an improved description by matrix-element matching
• NLO EW and QCD corrections to polarized ZZ production in the four-charged-lepton channel at the LHC
• Threshold resummation for $Z$-boson pair production at NNLO+NNLL
• NLO QCD corrections to the processes pp $\to$ ZZ with 0, 1 and 2 jets at the LHC
• Theoretical modeling of QCD radiation in off-shell Higgs production through gluon fusion