Low-momentum Hyperon-Nucleon Interactions

Details Low-momentum Hyperon-Nucleon Interactions Low-momentum Hyperon-Nucleon Interactions

2005-06-22

arxiv.org/abs/nucl-th/0506065v1

Phys.Rev. C73 (2006) 011001

Physics

Nuclear Physics

Nuclear Theory

4 pages, 6 figures

Scientific paper

10.1103/PhysRevC.73.011001

We present a first exploratory study for hyperon-nucleon interactions using renormalization group techniques. The effective two-body low-momentum potential V_low-k is obtained by integrating out the high-momentum components from realistic Nijmegen YN potentials. A T-matrix equivalence approach is employed, so that the low-energy phase shifts are reproduced by V_low-k up to a momentum scale Lambda ~ 500 MeV. Although the various bare Nijmegen models differ somewhat from each other, the corresponding V_low-k interactions show convergence in some channels, suggesting a possible unique YN interaction at low momenta.

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