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题名: Density-dependent symmetry energy at subsaturation densities from nuclear mass differences
作者: Fan, XH ;  Dong, JM ;  Zuo, W
刊名: PHYSICAL REVIEW C
出版日期: 2014
卷号: 89, 期号:1, 页码:17305
关键词: NEUTRON-STAR ;  EQUATION ;  RADII
学科分类: Physics
DOI: 10.1103/PhysRevC.89.017305
通讯作者: Fan, XH (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China.
部门归属: [Fan, Xiaohua; Dong, Jianmin; Zuo, Wei] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China; [Fan, Xiaohua] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Dong, Jianmin] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
英文摘要: We extract the mass-dependent symmetry energy coefficients a(sym)(A) with the nuclear mass differences reducing the uncertainties as far as possible. The estimated asym(A) of Pb-208 is 22.4 +/- 0.3 MeV, which is further used to analyze the density-dependent nuclear matter symmetry energy at subsaturation densities. The slope parameter of the symmetry energy at the saturation density rho(0) is L = 50.0 +/- 15.5 MeV. Furthermore, it is found that at the density of rho = 0.69 rho(0) = 0.11 fm(-3), the symmetry energy S(rho = 0.11 fm(-3)) = 25.98 +/- 0.01 MeV and the corresponding slope parameter is L = 49.6 +/- 6.2 MeV, which are consistent with other independent analyses.
资助者: 973 Program of China [2013CB834405]; National Natural Science Foundation of China [11175219, 10975190, 11275271]; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000332159800011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15492
Appears in Collections:理论物理所2014年知识产出 _期刊论文

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Recommended Citation:
Fan, XH,Dong, JM,Zuo, W. Density-dependent symmetry energy at subsaturation densities from nuclear mass differences[J]. PHYSICAL REVIEW C,2014,89(1):17305.
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