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The Heavy Quarkonium Spectrum at Order
N. Brambilla, A. Pineda, J. Soto +1
We compute the complete leading-log terms of the next-to-next-to-next-to-leading-order corrections to potential NRQCD. As a by-product we obtain the leading logs at in…
The heavy quark potential in pNRQCD
Antonio Vairo
The heavy quarkonium static potential is discussed within the framework of potential NRQCD. Some quantitative statements are made in the kinematical situation a…
Quarkonium: an effective field theory approach
Nora Brambilla, Antonio Vairo
We discuss heavy quarkonium in the framework of pNRQCD, a QCD effective theory appropriate for the study of heavy quark bound systems.
Potential NRQCD: an effective theory for heavy quarkonium
N. Brambilla, A. Pineda, J. Soto +1
Within an effective field theory framework we study heavy-quark--antiquark systems with a typical distance between the heavy quark and the antiquark smaller than . A…
Quark Confinement and the Hadron Spectrum
Nora Brambilla, Antonio Vairo
These lectures contain an introduction to the following topics: 1) Phenomenology of the hadron spectrum; 2) The static Wilson loop in perturbative and in lattice QCD. Confinement a…
The infrared behaviour of the static potential in perturbative QCD
N. Brambilla, A. Pineda, J. Soto +1
The definition of the quark-antiquark static potential is given within an effective field theory framework. The leading infrared divergences of the static singlet potential in pert…