Weak Coupling Limit and Genuine QCD Predictions for Heavy Quarkonia

Details Weak Coupling Limit and Genuine QCD Predictions for Heavy Quarkonia Weak Coupling Limit and Genuine QCD Predictions for Heavy Quarkonia

1994-08-03

arxiv.org/abs/hep-ph/9408220v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, TUW-94-15

Scientific paper

Although individual levels of toponium will be unobservable, the top--anti--top system near threshold fulfills all requirements of a rigorous perturbation theory in QCD for weakly bound systems. Corresponding techniques from positronium may thus be transferred successfully to this case. After clarifying the effect of a non-zero width we calculate the $t\bar{t}$ potential to be used for the calculation of e.g. the cross-sections near threshold.

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