Berlin 2005 – scientific programme

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HK: Physik der Hadronen und Kerne

HK 40: Theorie

HK 40.5: Talk

Wednesday, March 9, 2005, 15:15–15:30, TU MA005

Application of the V_low k Renormalization Group Method to Hyperon-Nucleon Systems — •Mathias Wagner¹, Bernd-Jochen Schaefer¹, Jochen Wambach^1,2, T.T.S. Kuo³ und G.E. Brown³ — ¹Institut für Kernphysik, TU Darmstadt, D-64289 Darmstadt,Germany — ²Gesellschaft für Schwerionenforschung GSI, D-64291 Darmstadt,Germany — ³Department of Physics and Astronomy, State University of New York,Stony Brook, NY 11794-3800, USA

In this talk we present results of the V_low k Renormalization Group (RG) method applied to Hyperon-Nucleon systems. Recently this method has been successfully applied to Nucleon-Nucleon (NN) systems by the Stony Book group. They obtained a unique low momentum NN potential.

We start with a brief introduction to V_low k and explain the basics of the method. In the following we apply the method to the YN-systems, using realistic Nijmegen Hyperon-Nucleon potentials as starting point. Although the Nijmegen models are quite different we also see a convergence to a unique YN V_low k.