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题名: Investigation of N-23 in a three-body model
作者: Zhang, LY;  Ren, ZZ;  Lyu, MJ;  Ji, C
刊名: PHYSICAL REVIEW C
出版日期: 2015
卷号: 91, 期号:2, 页码:24001
学科分类: Physics
DOI: http://dx.doi.org/10.1103/PhysRevC.91.024001
通讯作者: Zhang, LY (reprint author), Nanjing Univ, Sch Phys, Nanjing 210093, Jiangsu, Peoples R China.
文章类型: Article
英文摘要: The neutron-drip-line nucleus N-23 is investigated in a three-body model consisting of a N-21 core and two valence neutrons. Using the Faddeev formalism with the realistic neutron-neutron potential and the neutron-core potential, we calculate the ground-state properties of N-23 including its two-neutron separation energy, and obtain good agreement with the experiments. We also find an excited N-23 state with a shallow two-neutron separation energy at about 0.18 MeV. By evaluating the root-mean-square matter radii, the average distances between the two valence neutrons, and the average distances from the core to the center of mass of the valence-neutron pair, we show that the excited state of N-23 has a distinct halo structure. The large radius and very extended spatial distribution of the weakly bound excited state indicate the evidence of Efimov physics in the drip-line nucleus N-23.
类目[WOS]: Physics, Nuclear
关键词[WOS]: NEUTRON-HALO NUCLEI ;  WEAKLY-BOUND STATES ;  RICH NUCLEI ;  CROSS-SECTIONS ;  LIGHT-NUCLEI ;  CORE EXCITATION ;  EFIMOV STATES ;  DRIP-LINE ;  SYSTEMS ;  LI-11
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11035001, 11375086, 11105079, 10975072] ;  973 National Major State Basic Research and Development Program of China [2013CB834400, 2010CB327803] ;  CAS [KJCX2-SW-N02] ;  Research Fund of Doctoral Point (RFDP) [20100091110028] ;  Science and Technology Development Fund of Macau [068/2011/A] ;  Natural Sciences and Engineering Research Council (NSERC) ;  National Research Council Canada
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21090
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Zhang, LY,Ren, ZZ,Lyu, MJ,et al. Investigation of N-23 in a three-body model[J]. PHYSICAL REVIEW C,2015,91(2):24001.
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