Nuclear Theory
[Submitted on 22 Jun 2005]
Title:Low-momentum Hyperon-Nucleon Interactions
View PDFAbstract: 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.
Submission history
From: Bernd-Jochen Schaefer [view email][v1] Wed, 22 Jun 2005 09:21:33 UTC (31 KB)
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