Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2004-12-20
J.Phys. G31 (2005) 185-198
Physics
Nuclear Physics
Nuclear Theory
13 pages, incl. 9 figures; to appear in J.Phys.G, http://www.iop.org/EJ/jphysg
Scientific paper
10.1088/0954-3899/31/3/003
We have used a self-consistent Skyrme-Hartree-Fock plus Continuum-RPA model to study the low-multipole response of stable and neutron/proton-rich Ni and Sn isotopes. We focus on the momentum-transfer dependence of the strength distribution, as it provides information on the structure of excited nuclear states and in particular on the variations of the transition form factor (TFF) with the energy. Our results show, among other things, that the TFF may show significant energy dependence in the region of the isoscalar giant monopole resonance and that the TFF corresponding to the threshold strength in the case of neutron-rich nuclei is different compared to the one corresponding to the respective giant resonance. Perspectives are given for more detailed future investigations.
Mavrommatis E.
Papakonstantinou Pagona
Ponomarev Yu. V.
Wambach Jochen
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