Mainz 2012 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 10: Struktur und Dynamik von Kernen

HK 10.6: Talk

Monday, March 19, 2012, 18:15–18:30, RW 3

Relativistic Quasi-Particle Interaction in Nuclear Matter — •Andreas Fedoseew, Julian Georg, and Horst Lenske — Institut für Theoretische Physik, Justus-Liebig-Universität Giessen, Heinrich-Buff-Ring 16, D-35392 Giessen

We present a generalized Dirac Fermi-Liquid Theory for nuclear matter. The concept of quasi-particle residual interaction is extended to a fully covariant and thermodynamically consistent field theory. In our calculation we use the ab initio Lagrangian of the Giessen Density Dependent Relativistic Hadron (DDRH) field theory for the NN interaction. With this approach higher order corrections to the common quasi-particle interaction are included. We discuss self-consistent relativistic RPA calculations for response functions of asymmetric nuclear matter and finite nuclei. Applications to quasielastic (e,e′) scattering and charge-changing current reactions will be presented.

Supported by HIC for FAIR and GSI.