期刊
PHYSICAL REVIEW C
卷 85, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.85.024318
关键词
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资金
- Major State 973 Program [2007CB815000]
- National Natural Science Foundation of China [10975007, 10975008, 11005069, 11175002]
- Research Fund for the Doctoral Program of Higher Education [20110001110087]
- Ministry of Education [MS2010BJDX001]
- DFG Cluster of Excellence
Well-known examples of shears bands in the nuclei Pb-198 and Pb-199 are investigated within tilted axis cranking relativistic mean-field theory. Energy spectra, the relation between spin and rotational frequency, deformation parameters and reduced M1 and E2 transition probabilities are calculated. The results are in good agreement with available data and with calculations based on the phenomenological pairing plus-quadrupole-quadrupole tilted-axis cranking model. It is shown that covariant density functional theory provides a successful microscopic and fully self-consistent description of magnetic rotation in the Pb region showing the characteristic properties as the shears mechanism and relatively large B(M1) transitions decreasing with increasing spin.
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