Order alpha_s^3 ln^2(1/alpha_s) Corrections to Heavy-Quarkonium Creation and Annihilation

Details Order alpha_s^3 ln^2(1/alpha_s) Corrections to Heavy-Quarkonium Creation and Annihilation Order alpha_s^3 ln^2(1/alpha_s) Corrections to Heavy-Quarkonium Creation and Annihilation

1999-11-19

arxiv.org/abs/hep-ph/9911414v3

Nucl.Phys. B577 (2000) 197-208

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages (Latex), 1 figures (Axodraw); text slightly extended, a few typos corrected, three references added; accepted for pub

Scientific paper

10.1016/S0550-3213(00)00139-5

In the framework of nonrelativistic QCD, we compute the leading
double-logarithmic corrections of order alpha_s^3 ln^2(1/alpha_s) to the
heavy-quark-antiquark bound-state wave function at the origin, which determines
the production and annihilation rates of heavy quarkonia. The phenomenological
implications for the top-antitop and Upsilon systems are discussed.

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