Power counting in exclusive quarkonium decays

Abstract

Recent progress in the factorization of exclusive decays of heavy quarkonia into long-distance and short-distance contributions is presented. The role of higher Fock states and colour-octet contributions is outlined.

6 pages, 3 figures, uses espcrc2.sty (included); to appear in the Proceedings of the High-Energy Physics Euroconference on Quantum Chromodynamics (QCD '97), Montpellier, France, 3-9 July 1997

References in corpus (2)

• Meson-Photon Transition Form Factors
• Colour-octet contributions to exclusive charmonium decays

Cited by in corpus (1)

• Observation of $K^{\ast }(892{)}^0{\bar{K}}^{\ast }(892{)}^0$ in ${\chi }_{cJ}$ Decays