Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-11-20
Phys.Rev.Lett.86:1951-1954,2001
Physics
High Energy Physics
High Energy Physics - Phenomenology
changed figures, added references
Scientific paper
10.1103/PhysRevLett.86.1951
The top quark cross section close to threshold in $e^+e^-$ annihilation is computed including the summation of logarithms of the velocity at next-to-next-to-leading-logarithmic order in QCD. The remaining theoretical uncertainty in the normalization of the total cross section is at the few percent level, an order of magnitude smaller than in previous next-to-next-to-leading order calculations. This uncertainty is smaller than the effects of a light standard model Higgs boson.
Hoang Andre H.
Stewart Iain W.
Teubner Thomas
~Manohar Aneesh V.
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