2005
DOI: 10.1103/revmodphys.77.1423
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Effective-field theories for heavy quarkonium

Abstract: This article reviews recent theoretical developments in heavy-quarkonium physics from the point of view of effective-field theories of QCD. We discuss nonrelativistic QCD and concentrate on potential nonrelativistic QCD. The main goal will be to derive Schrödinger equations based on QCD that govern heavy-quarkonium physics in the weak-and strong-coupling regimes. Finally, the review discusses a selected set of applications, which include spectroscopy, inclusive decays, and electromagnetic threshold production.… Show more

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Cited by 798 publications
(991 citation statements)
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References 303 publications
(466 reference statements)
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“…For further details we refer to Ref. [10]. If we restrict the accuracy of our analysis to NNLL, ultrasoft gluons do not appear as physical final states (thought their effect is embedded in the RGI running of the matching coefficients of the potentials and currents).…”
Section: Effective Theorymentioning
confidence: 99%
See 1 more Smart Citation
“…For further details we refer to Ref. [10]. If we restrict the accuracy of our analysis to NNLL, ultrasoft gluons do not appear as physical final states (thought their effect is embedded in the RGI running of the matching coefficients of the potentials and currents).…”
Section: Effective Theorymentioning
confidence: 99%
“…[10]) approach. This is done most conveniently by using the threshold expansion [11] that allows to separate the full result of an integral into contributions due to the various modes.…”
Section: Introductionmentioning
confidence: 99%
“…[27,28] which accounts for corrections of order 1/m 2 . Accounting for the growth of the strong coupling constant for the interaction of a light quark with the heavy quark, we have included in the pure nonrelativistic three-quark Hamiltonian the vacuum polarization corrections of order α 2 s in the form [29,30]:…”
mentioning
confidence: 99%
“…, is one of the outstanding challenges in hadron physics. This will require efforts of combining coupled-channels methods [47] with frameworks such as heavy-quark effective field theories and non-relativistic QCD [48].…”
Section: Low-energy Qcd With Charm Quarksmentioning
confidence: 99%
“…The basic problem is that currently, there is not yet unambiguous evidence suppor and its convergence criteria, leading to a range of alternative re-summations, and ther the choice of degrees of freedom, such as when and if it is essential to include the ∆ r for the observables of interest are available, it will be interesting to compare four a (HBChPT)[62, 63, 64], covariant ChPT in the baryon sector (BChPT)[65], self-consi [44,45,46,47,48], and ChPT with finite-range regulators [57,59,66]. Although utilizing values of parameters like f π and g A calculated on the lattice at the rele regulators appear to improve the behavior of ChPT at larger values of the pion ma in the literature, we will focus on the two formulations HBChPT and BChPT.…”
Section: Chiral Extrapolationsmentioning
confidence: 99%