Journal
PHYSICAL REVIEW C
Volume 87, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.87.044319
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Funding
- National Key Basic Research Program of China [2013CB834400]
- National Natural Science Foundation of China [11235001]
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The total-Routhian-surface (TRS) calculation provides a powerful theoretical tool to describe the collective rotations of nuclei. It gives a straightforward way to determine nuclear deformation which can change with increasing rotational frequency. In most cases, however, TRS calculations with a conventional pairing approach (e. g., Bardeen-Cooper-Schrieffer pairing) encounter a nonconvergence problem when applied to sidebands which are built on broken-pair excited intrinsic configurations. To overcome this problem, we have developed the TRS calculations with a particle-number-conserving pairing method in which the pairing correlation is treated with the merit of the shell model. In this paper, we present the first results of the calculations, focusing on the sidebands of the W-178 nucleus, investigating deformation changes and incurred effects on the rotational behaviors of sidebands. DOI: 10.1103/PhysRevC.87.044319
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