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Non-perturbative corrections to one-gluon exchange quark potentials

✍ Scribed by J.J. Yang; H.Q. Shen; G.L. Li; T. Huang; P.N. Shen

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
570 KB
Volume
640
Category
Article
ISSN
0375-9474

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✦ Synopsis

The leading non-perturbative QCD corrections to the one-gluon exchange quark-quark, quarkantiquark and qt7 pair-excitation potentials are derived by using a covariant form of non-local two-quark and two-gluon vacuum expectation values. Our numerical calculation indicates that the correction of quark and gluon condensates to the quark-antiquark potential improves the heavy quarkonium spectra to some degree.

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