New Insight into the Pygmy Dipole Resonance in Stable Nuclei
Journal Article
·
· AIP Conference Proceedings
- Institut fuer Kernphysik, Technische Universitaet Darmstadt, 64289 Darmstadt (Germany)
Two examples of recent work on the structure of low-energy electric dipole modes are presented. The first part discusses the systematics of the pygmy dipole resonance (PDR) in stable tin isotopes deduced from high-resolution ({gamma},{gamma}') experiments. These help to distinguish between microscopic QRPA calculations based on either a relativistic or a nonrelativistic mean-field description, predicting significantly different properties of the PDR. The second part presents attempts to unravel the structure of dipoles modes at energies below the giant dipole resonance (GDR) in {sup 208}Pb with a high-resolution measurement of the (p-vector,p-vector') reaction under 0 deg.
- OSTI ID:
- 21254790
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1072; ISSN APCPCS; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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