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题名: Dipole oscillation modes in light alpha-clustering nuclei
作者: He, WB; Ma, YG; Cao, XG; Cai, XZ; Zhang, GQ
刊名: PHYSICAL REVIEW C
出版日期: 2016
卷号: 94, 期号:1, 页码:-
DOI: 10.1103/PhysRevC.94.014301
通讯作者: Ma, YG (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China. ; Ma, YG (reprint author), ShanghaiTech Univ, Shanghai 200031, Peoples R China.
文章类型: 期刊论文
英文摘要: The a cluster states are discussed in a model frame of extended quantum molecular dynamics. Different a cluster structures are studied in detail, such as Be-8 two-a cluster structure, C-12 triangle structure, C-12 chain structure, O-16 chain structure, O-16 kite structure, and O-16 square structure. The properties studied include the width of wave packets for different a clusters, momentum distribution, and the binding energy among a clusters. We also discuss how the a cluster degree of freedom affects nuclear collective vibrations. The cluster configurations in C-12 and O-16 are found to have corresponding characteristic spectra of giant dipole resonance (GDR), and the coherences of different a clusters' dipole oscillations are described in detail. The geometrical and dynamical symmetries of alpha-clustering configurations are responsible for the number and centroid energies of peaks of GDR spectra. Therefore, the GDR can be regarded as an effective probe to diagnose different a cluster configurations in light nuclei.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000379720000003
ISSN号: 2469-9985
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/26477
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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