Heavy Quarkonium Physics beyond the Next-to-Next-to-Leading Order of NRQCD

Abstract

In this talk I briefly review the recent progress in calculation of the high order corrections to the parameters of the nonrelativistic heavy quark-antiquark system in the effective theory approach.

8 pages LaTeX, talk presented at the High Energy Physics International Conference on Quantum Chromodynamics (QCD-00), Montpellier, France, 6-12 July 2000

References in corpus (5)

• Potential NRQCD: an effective theory for heavy quarkonium
• Ultrasoft Effects in Heavy-Quarkonium Physics
• The Heavy Quarkonium Spectrum at Order $m{\alpha }_s^5\ln {\alpha }_s$
• Order alpha^3 ln(1/alpha) Corrections to Positronium Decays
• Order alpha_s^3 ln^2(1/alpha_s) Corrections to Heavy-Quarkonium Creation and Annihilation

Cited by in corpus (5)

• Potential NRQCD and Heavy-Quarkonium Spectrum at Next-to-Next-to-Next-to-Leading Order
• Heavy Quarkonium Spectrum at $\mathcal{O}({\alpha }_s^5{m}_q)$ and Bottom/Top Quark Mass Determination
• Results and Techniques of Multi-Loop Calculations
• Nonabelian alpha_s^3/(m_q r^2) heavy-quark-antiquark potential
• Heavy-quarkonium creation and annihilation with O(alpha_s^3 ln(alpha_s)) accuracy