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Ground states of all mesons and baryons in a quark model with Hidden Local Symmetry

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arxiv 2307.16280 v1 pith:YWMZRZVG submitted 2023-07-30 hep-ph hep-exhep-lat

Ground states of all mesons and baryons in a quark model with Hidden Local Symmetry

classification hep-ph hep-exhep-lat
keywords mesonsmodelbaryonsgroundquarksymmetrychiralhidden
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We extend the chiral quark model for $u$, $d$, $c$ and $b$ quarks with vector mesons, which we proposed in the previous analysis, to a model with the $s$ quark. We include the nonet pseudo-scalar and vector mesons together with the singlet scalar meson based on the SU(3)$_L \times$SU(3)$_R$ chiral symmetry combined with the Hidden Local Symmetry, which mediate force among $u$, $d$ and $s$ quarks. We fit the model parameters to the known ground state mesons and baryons. We show that the mass spectra of those hadrons are beautifully reproduced. We predict the masses of missing ground states, one meson and twenty baryons, which will be tested in the future experiment.

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