Chiral Transition and Some Issues on the Scalar Mesons
classification
✦ hep-ph
keywords
chiralissuesmesonsscalarsometransitionassociationcollective
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Some issues on the low-mass scalar mesons are discussed in relation to the chiral transition of QCD vacuum. The importance to explore the possible collective nature of the $\sigma$ meson is emphasized in association with the chiral properties of nuclear media.
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