期刊
PHYSICAL REVIEW C
卷 82, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.82.011301
关键词
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资金
- Natural Science Foundation of China [10775004, 10705014, 10875157, 10979066]
- Major State Basic Research Development Program of China [2007CB815000]
- Chinese Academy of Sciences [KJCX3-SYW-N02, KJCX2-YW-N32]
- Bundesministerium fur Bildung und Forschung (BMBF), Germany [MT 246]
- DFG
Halo phenomena in deformed nuclei are investigated within a deformed relativistic Hartree Bogoliubov (DRHB) theory. These weakly bound quantum systems present interesting examples for the study of the interdependence between the deformation of the core and the particles in the halo. Contributions of the halo, deformation effects, and large spatial extensions of these systems are described in a fully self-consistent way by the DRHB equations in a spherical Woods-Saxon basis with the proper asymptotic behavior at a large distance from the nuclear center. Magnesium and neon isotopes are studied and detailed results are presented for the deformed neutron-rich and weakly bound nucleus Mg-44. The core of this nucleus is prolate, but the halo has a slightly oblate shape. This indicates a decoupling of the halo orbitals from the deformation of the core. The generic conditions for the occurrence of this decoupling effects are discussed.
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