Abstract
Using a “regularized potential” we solve the Schrödinger equation including all spin dependent interactions nonperturbatively and calculate the radiative decays of heavy quarkonia. The influence ofS-D mixing due to the tensor term is discussed. Applying the variational approach we investigate the influence of the relativistic kinetic energy on the bound state masses.
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Falkensteiner, P., Flamm, D. & Schöberl, F. A nonperturbative treatment of radiative decays and the relativistic kinetic energy in heavy quarkonia. Z. Phys. C - Particles and Fields 23, 275–280 (1984). https://doi.org/10.1007/BF01546195
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DOI: https://doi.org/10.1007/BF01546195