Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-11-25
Physics
High Energy Physics
High Energy Physics - Phenomenology
22 pages, LaTeX, Contribution to the 8th International Symposium on Heavy Flavour Physics, Southampton, UK, 25-29 July 1999
Scientific paper
In this review I cover recent developments concerning the construction of
non-relativistic effective theories for perturbative heavy quark-antiquark
systems and heavy quark mass definitions. I then discuss
next-to-next-to-leading order results on quarkonium masses and decay, top quark
pair production near threshold and QCD sum rules for $\Upsilon$ mesons.
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