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arxiv: 2109.03417 · v1 · pith:2LRTBVTJnew · submitted 2021-09-08 · ⚛️ nucl-th

Systematic trends of neutron skin thickness versus relative neutron excess

J. T. Zhang , X. L. Tu , P. Sarriguren , K. Yue , Q. Zeng , Z. Y. Sun , M. Wang , Y. H. Zhang
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X. H. Zhou Yu. A. Litvinov
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keywords neutronskinexcessrelativethicknesstrendsversusavailable
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Available experimental neutron skin thicknesses of even-even stable Ca, Ni, Sn, Pb, and Cd isotopes are evaluated, and separate trends of neutron skin thickness versus relative neutron excess $\delta=(N-Z)/A$ are firstly observed for different isotopic chains. This phenomenon is quantitatively reproduced by the deformed Skyrme Hartree-Fock $+$ BCS model with SLy4 force.

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