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Search: authors:"Liang-Liang Liu"

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Possible open-charmed pentaquark molecule \(\varOmega _c(3188)\) – the \(D \varXi \) bound state – in the Bethe–Salpeter formalism

We study the S-wave \(D\varXi \) bound state in the Bethe–Salpeter formalism in the ladder and instantaneous approximations. With the kernel generated by the hadronic effective Lagrangian, two open-charmed bound states, which quantum numbers are \(I=0\), \(J^P=(\frac{1}{2})^-\) and \(I=1\), \(J^P=(\frac{1}{2})^-\), respectively, are predicted as new candidates of hadronic...