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Quarkonia from charmonium and renormalization group equations
Authors:P Ditsas  NA McDougall  RG Moorhouse
Institution:Department of Natural Philosophy, The University, Glasgow G12 8QQ, UK
Abstract:A prediction of the upsilon and strangeonium spectra is made from the charmonium spectrum by solving the Salpeter equation using an identical potential to that used in charmonium. Effective quark masses and coupling parameters αs are functions of the inter-quark distance according to the renormalization group equations. The use of the Fermi-Breit-Hamiltonian for obtaining the charmonium hyperfine splitting is criticized.
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