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HK: Physik der Hadronen und Kerne

HK 25: Theorie

HK 25.1: Talk

Tuesday, March 21, 2006, 17:00–17:15, B

Interactions and EOS of asymmetric nuclear matter — •Urnaa Badarch and Horst Lenske — Institut für Theoretische Physik, Universität Giessen,

DDRH theory is used to study the equation of state of asymmetric nuclear matter. Meson-Nucleon vertices are derived from DB calculations. The microscopic results are compared to phenomenological approaches including non-linear RMF models and more modern descriptions with density dependent vertices recently derived from direct fits to properties of finite nuclei. The comparison of DDRH vertices and the phenomenological values allow to quantify the contributions beyond the ladder approximation.