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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
Neutron skin deduced from antiprotonic atom data
Physical Review C - Nuclear Physics, Volume 76, No. 3, Article 034305, Year 2007
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Description
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 Pb208 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. © 2007 The American Physical Society.
Authors & Co-Authors
Brown, B. Alex
United States, East Lansing
Michigan State University
South Africa, Stellenbosch
Stellenbosch University
Shen, Guofang
China, Beijing
Peking University
United States, Bloomington
Indiana University Bloomington
Hillhouse, Gregory C.
China, Beijing
Peking University
South Africa, Stellenbosch
Stellenbosch University
Meng, Jie
China, Beijing
Peking University
South Africa, Stellenbosch
Stellenbosch University
China, Beijing
Institute of Theoretical Physics Chinese Academy of Sciences
China, Lanzhou
Center of Theoretical Nuclear Physics China
Trzcińska, Agnieszka
Poland, Warsaw
Środowiskowe Laboratorium Ciężkich Jonów, Uniwersytet Warszawski
Statistics
Citations: 51
Authors: 5
Affiliations: 7
Identifiers
Doi:
10.1103/PhysRevC.76.034305
ISSN:
05562813
e-ISSN:
1089490X
Research Areas
Cancer