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Neutron skin deduced from antiprotonic atom data
Brown, B. Alex; Shen, G.; Hillhouse, G. C.; Meng, J.; Trzcinska, A.; Brown, BA , Michigan State Univ, Dept Phys & Astron, Natl Supercond Cyclotron Lab, E Lansing, MI 48824 USA
2007
发表期刊PHYSICAL REVIEW C
ISSN0556-2813
卷号76期号:3页码:-
摘要The relationship between the nucleon density at large radii and the value of the rms radius is investigated in the framework of Skyrme Hartree-Fock and relativistic mean-field models. From a comparison to the charge density we constrain the models in terms of the nuclear matter incompressibility and effective mass properties required to reproduce the density shape. The results are used to extract the rms neutron radius for Pb-208 from antiprotonic atom data. The result for the difference between the neutron and proton rms radii, the so-called neutron-skin thickness, is S=0.20(+/- 0.04)(+/- 0.05) fm, where +/- 0.04 fm is experimental error from the antiprotonic line width, and +/- 0.05 fm is the theoretical error suggested from the comparison of the models with the experimental charge density.
部门归属Michigan State Univ, Dept Phys & Astron, Natl Supercond Cyclotron Lab, E Lansing, MI 48824 USA; Michigan State Univ, Joint Inst Nucl Astrophys, E Lansing, MI 48824 USA; Peking Univ, Sch Phys, Beijing 100871, Peoples R China; Indiana Univ, Dept Phys, Bloomington, IN 47405 USA; Univ Stellenbosch, Dept Phys, ZA-7600 Stellenbosch, South Africa; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Ctr Theoret Nucl Phys, Natl Lab Heavy Ion Accelerator, Lanzhou 730000, Peoples R China; Warsaw Univ, Heavy Ion Lab, PL-02093 Warsaw, Poland
关键词Elastic Electron-scattering Mean-field Theory Ground-state Properties Hartree-fock Method Exotic Nuclei Skyrme Interaction Mass Formula Pb-208 Parametrization Charge
学科领域Physics
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收录类别SCI
WOS记录号WOS:000249786600011
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被引频次:46[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/311006/5664
专题理论物理所1978-2010年知识产出
通讯作者Brown, BA , Michigan State Univ, Dept Phys & Astron, Natl Supercond Cyclotron Lab, E Lansing, MI 48824 USA
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Brown, B. Alex,Shen, G.,Hillhouse, G. C.,et al. Neutron skin deduced from antiprotonic atom data[J]. PHYSICAL REVIEW C,2007,76(3):-.
APA Brown, B. Alex,Shen, G.,Hillhouse, G. C.,Meng, J.,Trzcinska, A.,&Brown, BA , Michigan State Univ, Dept Phys & Astron, Natl Supercond Cyclotron Lab, E Lansing, MI 48824 USA.(2007).Neutron skin deduced from antiprotonic atom data.PHYSICAL REVIEW C,76(3),-.
MLA Brown, B. Alex,et al."Neutron skin deduced from antiprotonic atom data".PHYSICAL REVIEW C 76.3(2007):-.
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