QCD Corrections to Toponium Production at Hadron Colliders

Details QCD Corrections to Toponium Production at Hadron Colliders QCD Corrections to Toponium Production at Hadron Colliders

1993-01-04

arxiv.org/abs/hep-ph/9301204v1

Phys.Rev.D48:179-189,1993

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages (latex) 9 figures (postscript) available upon request, TTP92-32

Scientific paper

10.1103/PhysRevD.48.179

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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