Bonn 2010 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 3: Struktur und Dynamik von Kernen I

HK 3.9: Vortrag

Montag, 15. März 2010, 18:45–19:00, HG II

Breathing mode in an improved transport approach — •Theodoros Gaitanos, Alexei Larionov, Horst Lenske, and Ulrich Mosel — Institut für Theoretische Physik, Universität Giessen

The nuclear breathing-mode giant monopole resonance is studied within an improved relativistic Giessen Boltzmann-Uehling-Uhlenbeck (GiBUU) transport approach. As a new feature, the numerical treatment of ground-state nuclei and their phase-space evolution is realized with the same semiclassical energy-density functional. With this new method a very good stability of ground-state nuclei in BUU simulations is achieved. This is important in extracting clear breathing-mode signals for the excitation energy and, in particular, for the lifetime from transport theoretical studies including mean-field and collisional effects.

Work supported by DFG and BMBF.

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