期刊
EUROPEAN PHYSICAL JOURNAL A
卷 59, 期 1, 页码 -出版社
SPRINGER
DOI: 10.1140/epja/s10050-022-00912-6
关键词
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The fundamental properties of doubly-magic nuclei, including radius and binding energy, have essential significance in theoretical calculations. The matter radii of O-16 have shown a significant discrepancy, especially those obtained from interaction cross sections. To address this issue, the small-angle differential cross sections of proton-nuclei elastic scattering in the energy range of 200-700 MeV were reanalyzed using the Glauber model. A precise matter radius of 2.554(20) fm for O-16 was determined. The calculated neutron skin thicknesses of O-16, obtained through different interactions, were found to be independent of symmetry energy and consistent with our results.
Fundamental properties of doubly-magic nuclei, such as radius and binding energy, play a key role in theoretical calculations. Reported matter radii of O-16 have a large discrepancy, especially for results obtained from inter-action cross sections. To address this issue, the published small-angle differential cross sections of proton-nuclei elastic scattering in the energy region of 200-700 MeV were reanalyzed using the Glauber model. A precise matter radius of 2.554(20) fm for O-16 was extracted. The calculated neutron skin thicknesses of O-16 by different interactions do not obviously depend on the symmetry energy, and agree with our result.
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