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QCD Corrections to Toponium Production at Hadron Colliders

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arxiv hep-ph/9301204 v1 pith:6MHT2WWD submitted 1993-01-04 hep-ph

QCD Corrections to Toponium Production at Hadron Colliders

classification hep-ph
keywords gammacorrectionsproductionbranchingcolliderscrosshadronratio
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Toponium production at future hadron colliders is investigated. Perturbative QCD corrections to the production cross section for gluon fusion are calculated as well as the contributions from gluon-quark and quark-antiquark collisions to the total cross section. The dependence on the renormalization and factorization scales and on the choice of the parton distribution functions is explored. QCD corrections to the branching ratio of $\eta_{t}$ into $\gamma\gamma$ are included and the two-loop QCD potential is used to predict the wave function at the origin. The branching ratio of $\eta_{t}$ into $\gamma Z$, $ZZ$, $HZ$ and $WW$ is compared with the $\gamma\gamma$ channel.

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Cited by 1 Pith paper

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  1. Threshold Top-Quark Pair-Production: Cross Sections and Key Uncertainties

    hep-ph 2026-04 unverdicted novelty 3.0

    Near-threshold top-quark pair production cross section at 13 TeV LHC is 11.67 pb with +1.43/-1.47 pb uncertainty, including NRQCD Green's function effects and comparison to POWHEG-BOX.