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- Title
E1 STRENGTH IN LIGHT NUCLEI:: SKYRME RPA ANALYSIS.
- Authors
KVASIL, J.; REPKO, A.; NESTERENKO, V. O.; KLEINIG, W.; REINHARD, P.-G.
- Abstract
The giant dipole resonance (GDR) in N = 28 isotones (48Ca, 50Ti, 52Cr, 54Fe) is analyzed in the framework of the Skyrme random-phase-approximation (RPA). Three Skyrme forces, SkM*, SLy6 and SV-bas, are used. The effects beyond RPA are simulated by the double folding procedure. We show that dipole strength exhibits a large collective shift, which testifies to a strong impact of the residual interaction and signals on considerable anharmonic effects. In 52Cr, a significant pairing impact is found. For exception of 50Ti, an acceptable agreement with the experiment data is obtained, which justifies the ability of Skyrme forces to describe GDR in light nuclei.
- Subjects
NUCLEAR physics; ISOTONE shift; STRENGTH of materials; CALCIUM isotopes; TITANIUM isotopes; APPROXIMATION theory; FORCE &; energy
- Publication
International Journal of Modern Physics E: Nuclear Physics, 2012, Vol 21, Issue 5, p1250041-1
- ISSN
0218-3013
- Publication type
Article
- DOI
10.1142/S0218301312500413