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Hyperon-nucleons interactions constructed by two frameworks, theKyoto-Niigata SU$_6$ quark model and the chiral effective field theory, arecompared by investigating equivalent interactions in a low-momentum space andin addition by calculating hyperon single-particle potentials in thelowest-order Brueckner theory in symmetric nuclear matter. Two descriptions areshown to give similar matrix elements in most channels after renormalizing highmomentum components. Although the range of the $\Lambda N$ interaction isdifferent in two potentials, the $\Lambda$ single-particle potential in nuclearmatter is very similar. The $\Sigma$-nucleus and $\Xi$-nucleus potentials arealso found to be similar. These predictions are to be confronted withforthcoming experimental data.

physical review. c. nuclear physics/physical review. c, nuclear physics

Comparative study of hyperon-nucleon interactions of quark model and  chiral effective field theory by low-momentum equivalent interactions and $G$  matrices