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Sensitivity of neutron radii in a Pb-208 nucleus and a neutron star to nucleon-sigma-rho coupling corrections in relativistic mean field theory
Shen, G; Li, J; Hillhouse, GC; Meng, J; Shen, G , Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
2005
发表期刊PHYSICAL REVIEW C
ISSN0556-2813
卷号71期号:1页码:-
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.
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
关键词Hartree-bogoliubov Description Pseudospin Symmetry Drip-line Equation Proton Halo Scattering Isotopes Models
学科领域Physics
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收录类别SCI
WOS记录号WOS:000226701900051
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被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13918
专题理论物理所1978-2010年知识产出
通讯作者Shen, G , Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
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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):-.
APA Shen, G,Li, J,Hillhouse, GC,Meng, J,&Shen, G , Peking Univ, Sch Phys, Beijing 100871, Peoples R China..(2005).Sensitivity of neutron radii in a Pb-208 nucleus and a neutron star to nucleon-sigma-rho coupling corrections in relativistic mean field theory.PHYSICAL REVIEW C,71(1),-.
MLA Shen, G,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".PHYSICAL REVIEW C 71.1(2005):-.
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