Effect of Coulomb energy on the symmetry energy coefficients of finite nuclei

Junlong Tian, Haitao Cui, Kuankuan Zheng, and Ning Wang
Phys. Rev. C 90, 024313 – Published 18 August 2014

Abstract

The nuclear symmetry energy coefficients of finite nuclei are extracted by using the differences between the masses of isobaric nuclei. Based on the masses of more than 2400 nuclei with A=10–270, we investigate the model dependence in the extraction of the symmetry energy coefficient. We find that the extraction of the symmetry energy coefficients is strongly correlated with the forms of the Coulomb energy and the mass dependence of the symmetry energy coefficient adopted. The values of the extracted symmetry energy coefficients increase by about 2 MeV for heavy nuclei when the Coulomb correction term is involved. The values of the bulk symmetry energy coefficient S0 and the surface-to-volume ratio κ are simultaneously investigated based on the extracted symmetry energy coefficients.

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  • Received 1 April 2014
  • Revised 1 July 2014

DOI:https://doi.org/10.1103/PhysRevC.90.024313

©2014 American Physical Society

Authors & Affiliations

Junlong Tian1,*, Haitao Cui1, Kuankuan Zheng1, and Ning Wang2,†

  • 1School of Physics and Electrical Engineering, Anyang Normal University, Anyang 455000, People's Republic of China
  • 2Department of Physics, Guangxi Normal University, Guilin 541004, People's Republic of China

  • *tianjl@163.com
  • wangning@gxnu.edu.cn

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Vol. 90, Iss. 2 — August 2014

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