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Deformation systematics of giant resonances

By T. Cornelius, J. A. Maruhn, V. Nesterenko and P. -g. Reinhard


The giant dipole resonance (GDR) is a most pronounced feature in the nuclear excitation spectrum giving crucial clues to nuclear structure and dynamics. The upcoming possibility to measure GDR in exotic nuclei [1] challenges theorists to scrutinize the predictive value of their models. Of particular interest are self-consistent mean field approaches which describe the ground state and the excitation spectrum within one and the same parameterization, for a recent review see e.g. [2]. The additional information from GDR probes otherwise loosely fixed aspects of effective mean-field models. It is the aim of this paper to present an exploration of the GDR in deformed nuclei, computing the excitation spectra using the timedependent Skyrme-Hartree-Fock (SHF) method. The deformation removes the degeneracy of the resonance peak

Year: 2010
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