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题名: Sensitivity of neutron radii in a Pb-208 nucleus and a neutron star to nucleon-sigma-rho coupling corrections in relativistic mean field theory
作者: Shen, G ;  Li, J ;  Hillhouse, GC ;  Meng, J
刊名: PHYSICAL REVIEW C
出版日期: 2005
卷号: 71, 期号:1, 页码:-
关键词: HARTREE-BOGOLIUBOV DESCRIPTION ;  PSEUDOSPIN SYMMETRY ;  DRIP-LINE ;  EQUATION ;  PROTON ;  HALO ;  SCATTERING ;  ISOTOPES ;  MODELS
学科分类: Physics
通讯作者: Shen, G , Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
部门归属: Peking Univ, Sch Phys, Beijing 100871, Peoples R China; Univ Stellenbosch, Dept Phys, Stellenbosch, South Africa; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China
英文摘要: We study the sensitivity of the neutron skin thickness S in a Pb-208 nucleus to the addition of nucleon-sigma-rho coupling corrections to a selection (PK1, NL3, S271, and Z271) of interactions in a relativistic mean field model. The PK1 and NL3 effective interactions lead to a minimum value of S= 0.16 fm in comparison with the original value of S= 0.28 fm. The S271 and Z271 effective interactions yield even smaller values of S= 0.11 fm, which are similar to those for nonrelativistic mean field models. A precise measurement of the neutron radius, and therefore S, in Pb-208 will place an important constraint on both relativistic and nonrelativistic mean field models. We also study the correlation between the radius of a 1.4-solar-mass neutron star and S.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000226701900051
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13918
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Shen, G,Li, J,Hillhouse, GC,et al. Sensitivity of neutron radii in a Pb-208 nucleus and a neutron star to nucleon-sigma-rho coupling corrections in relativistic mean field theory[J]. PHYSICAL REVIEW C,2005,71(1):-.
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