4.5 Article

Systematic trends of neutron skin thickness versus relative neutron excess

Journal

PHYSICAL REVIEW C
Volume 104, Issue 3, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.104.034303

Keywords

-

Funding

  1. NSFC [12022504, 11775273, U1932140, 12121005]
  2. CAS Pioneer Hundred Talents Program
  3. CAS Open Research Project of large research infrastructures
  4. CAS Maintenance and Reform of Large Research Infrastructures [DSS-WXGZ2018-0002]
  5. Max Plank Society
  6. European Research Council (ERC) under the European Union [682841]
  7. MCI/AEI/FEDER, UE (Spain) [PGC2018-093636-B-I00]

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Experimental neutron skin thicknesses of stable even-even Ca, Ni, Sn, Pb, and Cd isotopes are evaluated, showing separate trends based on relative neutron excess. This phenomenon is quantitatively reproduced using the deformed Skyrme-Hartree-Fock+Bardeen-Cooper-Schrieffer model with the SLy4 force.
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 observed for different isotopic chains. This phenomenon is quantitatively reproduced by the deformed Skyrme Hartree-Fock + Bardeen-Cooper-Schrieffer model with SLy4 force.

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