Ground state and fission properties of even-A uranium isotopes from multidimensionally-constrained relativistic mean field model

被引：2
作者：
Deng, Xiang-Quan [1 ,2 ]
Zhou, Shan-Gui [1 ,2 ,3 ,4 ,5 ]
机构：
[1] Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
[3] Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China
[4] Hunan Normal Univ, Synerget Innovat Ctr Quantum Effects & Applicat, Changsha 410081, Peoples R China
[5] Beihang Univ, Peng Huanwu Collaborat Ctr Res & Educ, Beijing 100191, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS E | 2023年 / 32卷 / 10期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
multidimensionally-constrained relativistic mean field model; fission barrier; octupole deformation; triaxial deformation; DENSITY-FUNCTIONAL THEORY; HARTREE-BOGOLIUBOV THEORY; ACTINIDE NUCLEI; 3RD MINIMUM; BARRIERS; DEFORMATION; LIBRARY; HEAVY;
D O I：
10.1142/S0218301323400049
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The multidimensionally-constrained covariant density functional theories (MDC-CDFTs) have been developed to study the influence of octupole and triaxial deformations on the ground state and fission properties. In this paper, we present a brief review of the applications of MDC-CDFTs and discuss the results of a systematical study of even-A uranium isotopes with the multidimensionally-constrained relativistic mean field (MDC-RMF) model which is one of the MDC-CDFTs with pairing correlations treated by using the Bardeen-Cooper-Schrieffer (BCS) approach. We examine in detail the two-dimensional potential energy surfaces E(beta(20),beta(30)) of these U isotopes and discuss the ground state and fission properties as well as the third and fourth minima on the potential energy surfaces. The emphasis is put on the effects of octupole and triaxial deformations.
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页数：20
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