Binding energy differences of mirror nuclei in a time-odd triaxial relativistic mean field approach

H. Chen, H. Mei, J. Meng, and J. M. Yao

Phys. Rev. C 76, 044325 – Published 29 October 2007

Abstract

The binding energy differences of mirror nuclei with $A = 15, 17, 27, 39$ , and 41 are calculated using a time-odd triaxial relativistic mean field approach with PK1. Compared with the axially deformed RMF calculations with PK1, NL3, and NLSH, the discrepancy between the calculated and experimental values, i.e., Okamoto-Nolen-Schiffer (ONS) anomaly, is systematically reduced by the appropriate treatment of the γ deformation degree of freedom, center-of-mass motion, and core polarization effect.

Received 18 July 2007

DOI:https://doi.org/10.1103/PhysRevC.76.044325

Authors & Affiliations

H. Chen and H. Mei

School of Physical Science and Technology, Southwest University, Chongqing 400715, People's Republic of China

J. Meng^*

School of Physical Science and Technology, Southwest University, Chongging 400715, People's Republic of China School of Physics, Peking University, Beijing 100871, People's Republic of China
Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080, People's Republic of China
Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, Lanzhou 730000, People's Republic of China

J. M. Yao

School of Physics, Peking University, Beijing 100871, People's Republic of China

^*mengj@pku.edu.cn

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Issue

Vol. 76, Iss. 4 — October 2007

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Physical Review C

covering nuclear physics