On top quark mass effects to $gg\to ZH$ at NLO

Abstract

We compute next-to-leading order QCD corrections to the process $gg\to ZH$. In the effective-theory approach we confirm the results in the literature. We consider top quark mass corrections via an asymptotic expansion and show that there is a good convergence below the top quark threshold which describes approximately {\num a quarter} of the total cross section. Our corrections are implemented in the publicly available {\tt C++} program {\tt ggzh}.

16 pages

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• Next-to-leading order corrections for $gg\to ZH$ with top quark mass dependence
• Anomalous couplings in associated $VH$ production with Higgs decay to massive $b$ quarks at NNLO in QCD
• The anomalous $Zb\bar{b}$ couplings: From LEP to LHC
• Next-to-next-to-leading order event generation for $VH$ production with $H\to b\bar{b}$ decay
• Probing the Higgs trilinear self-coupling through Higgs+jet production
• Les Houches 2023 -- Physics at TeV Colliders: Report on the Standard Model Precision Wishlist
• $gg\to ZH$ : updated predictions at NLO QCD
• Gluon Fusion Production at NLO: Merging the Transverse Momentum and the High-Energy Expansions
• Soft gluon resummation for gluon fusion $ZH$ production
• Threshold improved $ZH$ production at the LHC
• Virtual corrections to $gg\to ZH$ via a transverse momentum expansion