Equivalent hyperon-nucleon interactions in low-momentum space

Abstract

Equivalent interactions in a low-momentum space for the $\Lambda N$, $\Sigma N$ and $\Xi N$ interactions are calculated, using the SU${}_6$ quark model potential as well as the Nijmegen OBEP model as the input bare interaction. Because the two-body scattering data has not been accumulated sufficiently to determine the hyperon-nucleon interactions unambiguously, the construction of the potential even in low-energy regions has to rely on a theoretical model. The equivalent interaction after removing high-momentum components is still model dependent. Because this model dependence reflects the character of the underlying potential model, it is instructive for better understanding of baryon-baryon interactions in the strangeness sector to study the low-momentum space $YN$ interactions.

9 pages, 13 figures, accepted for publication in Phys. Rev. C

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Cited by in corpus (2)

• Comparative study of hyperon-nucleon interactions of quark model and chiral effective field theory by low-momentum equivalent interactions and $G$ matrices
• Localized $N,\Lambda ,\Sigma$, and $\Xi$ Single-Particle Potentials in Finite Nuclei Calculated with $S{U}_6$ Quark-Model Baryon-Baryon Interactions