Abstract:To study a possible role of the quantum chromodynamics (QCD) vacuum in nuclear and hadron physics, we evaluate a physical quantity in a candidate of the QCD vacuum. In this study, we adopt the Copenhagen (spaghetti) picture of the QCD vacuum and calculate the ground state baryon masses in a constituent quark model. We find that the calculated baryon mass does depend on a parameter that characterizes the Copenhagen picture of the QCD vacuum and satisfies the Gell-Mann–Okubo mass relation for the baryon octet. W… Show more
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