Self-consistent light-quarkqqqandqqq¯q¯mass spectrum

Recently, an improved approximate self-consistent dual-topological-unitarization technique has been developed, in which the effect of planar sea-quark loops is taken into account from the beginning. This is applied to $\mathrm{qqq}$ and $\mathrm{qq}\overline{q}$ $\overline{q}$ hadrons with $q=u, d, s$, and good agreement is obtained with experiment. In particular, we predict $2^{-}$ and $3^{+}$ $\Lambda \overline{p}$ states, which can be identified with recently observed broad resonances of mass 2.20 and 2.33 GeV.