Towards resolution of the scalar meson nonet enigma II.Gell-Mann-Okubo revisited
arXiv:hep-ph/9709305 · doi:10.1016/S0375-9474(97)00611-8
Abstract
We rederive the new SU(3) multiplet mass formula 2M^2(s\bar{s})+3M^2(n\bar{n}, I=1)=4M^2(s\bar{n})+M^2(n\bar{n},I=0) (n=u,d}, obtained in our previous paper by using Regge phenomenology, for the pseudoscalar and scalar mesons in the Nambu-Jona-Lasinio model with instanton-induced interaction. We apply this formula to the problem of the correct q\bar{q} assignment for the scalar meson nonet. Our results strongly favor the masses of the scalar isoscalar mostly octet and mostly singlet states in the vicinity of 1.45 GeV and 1.1 GeV, respectively
15 pages, LaTeX
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Cited by in corpus (6)
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- Gaussian Sum-Rules and Prediction of Resonance Properties
- Hoelder Inequalities and Isospin Splitting of the Quark Scalar Mesons
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