An effective potential for heavy quark antiquark bound system
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A heavy quark antiquark potential is suggested connecting asymptotic freedom and quark confinement in a unified way. Theα g (q 2) calculated using Borel summation technique with three loop agrees with the two loopβ-function up tog 2/4π≅ 1.1 but changes appreciably afterg 2/4π=1.5. The potential so derived satisfactorily explains the \(c\bar c\)and \(b\bar b\)spectrum.
KeywordsAsymptotic freedom confinement Borel summation Landau ghost vacuum polarisation
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- Barnett R, Michael Banett and Schlatter D 1982 SLAC publication-2883/Feb 1982Google Scholar