Two Quark Potentials

Details Two Quark Potentials Two Quark Potentials

2004-10-19

arxiv.org/abs/nucl-th/0410080v2

Physics

Nuclear Physics

Nuclear Theory

29 pages, 3 figures A chapter in Volume 9 of International Review of Nuclear Physics, "Hadronic Physics from Lattice QCD", (Ed

Scientific paper

In this Chapter QCD interactions between a quark and an anti-quark are discussed. In the heavy quark limit these potentials can be related to quarkonia and $1/m$ corrections can be systematically determined. Excitations of the ground state potential provide an entry point into the phenomenology of quark-gluon hybrids. The short-distance behaviour of non-perturbative potentials can serve as a test of resummation and convergence of perturbative expansions. Torelons and potentials between non-fundamental colour charges offer a window into the origin of the confinement mechanism and relate to effective string descriptions of low energy aspects of QCD.

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