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Universal description of S-wave meson spectra in a renormalized light-cone QCD-inspired model

Abstracts

A light-cone QCD-inspired model, with the mass squared operator consisting of a harmonic oscillator potential as confinement and a Dirac-delta interac- tion, is used to study the S-wave meson spectra. The two parameters of the harmonic potential and quark masses are fixed by masses of ρ(770), ρ(1450), J/ψ, ψ(2S), K?(892) and B?. We apply a renormalization method to define the model, in which the pseudo-scalar ground state mass fixes the renormal- ized strength of the Dirac-delta interaction. The model presents an universal and satisfactory description of both singlet and triplet states of S-wave mesons and the corresponding radial excitations.
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Recommended references: T. Frederico,Hans-Christian Pauli,Shan-Gui Zhou.(2017).Universal description of S-wave meson spectra in a renormalized light-cone QCD-inspired model.[ChinaXiv:201708.00278] (Click&Copy)
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[V1] 2017-08-22 20:09:50 chinaXiv:201708.00278V1 Download
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