Quantum-chromodynamic potential model for light and heavy quarkonia
- 1 October 1983
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 28 (7), 1716-1720
- https://doi.org/10.1103/physrevd.28.1716
Abstract
Our earlier treatment for the investigation of the , , and spectra is extended to other quarkonia with , , , , and quarks. We find that it is possible to account fully for the observed ground-state hyperfine splittings of light as well as heavy quarkonia provided that the perturbative quantum-chromodynamic potential is supplemented not only by the nonperturbative confining potential but also by a nonperturbative annihilation potential which rapidly decreases with increase in the quark mass. We also give our predictions for the experimentally interesting , , and systems with unknown mass splittings.
Keywords
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