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Tetraquark candidates in the LHCb's di-$J/\psi$ mass spectrum
In this article, we study the first radial excited states of the scalar, axialvector, vector, and tensor diquark-antidiquark-type tetraquark states with the QCD sum rules and obtain the masses and pole residues; then, we use the Regge trajectories to obtain the masses of the second radial excited st...
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| Lenguaje: | eng |
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2020
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| Acceso en línea: | https://dx.doi.org/10.1088/1674-1137/abb080 http://cds.cern.ch/record/2759259 |