Effective Field Theories for Heavy Quarkonium

Details Effective Field Theories for Heavy Quarkonium Effective Field Theories for Heavy Quarkonium

2007-12-09

arxiv.org/abs/0712.1227v1

Few Body Syst.43:25-30,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

Invited Plenary talk at The 20th European Conference on Few-Body Problems in Physics. September 10-14 2007. Pisa, Italy. To be

Scientific paper

10.1007/s00601-008-0204-z

We briefly review how nonrelativistic effective field theories give us a definition of the QCD potentials and a coherent field theory derived quantum mechanical scheme to calculate the properties of bound states made by two or more heavy quarks. In this framework heavy quarkonium properties depend only on the QCD parameters (quark masses and $\als$) and nonpotential corrections are systematically accounted for. The relation between the form of the nonperturbative potentials and the low energy QCD dynamics is also discussed.

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