Approximate mass spectra for low-lying charmonium and bottomonium states are computed from a Coulomb-logarithmic potential via perturbation theory, with parameters fitted to data and validated against numerical solutions.
Revisiting the S -wave leptonic decay widths of charmonium and bottomonium via single -photon annihilation using the Bethe–Salpeter approach
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Approximate mass spectra of the heavy mesons under a Coulomb plus logarithmic spin-dependent potential function
Approximate mass spectra for low-lying charmonium and bottomonium states are computed from a Coulomb-logarithmic potential via perturbation theory, with parameters fitted to data and validated against numerical solutions.