Spontaneous Fission Barriers Based on a Generalized Liquid Drop Model

ITP OpenIR > 理论物理所2014年知识产出

	Spontaneous Fission Barriers Based on a Generalized Liquid Drop Model
	Guo, SQ; Bao, XJ; Li, JQ; Zhang, HF; Guo, SQ (reprint author), Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China.
	2014
发表期刊	COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN	0253-6102
卷号	61 期号:5 页码:629-635
摘要	The barrier against the spontaneous fission has been determined within the Generalized Liquid Drop Model (GLDM) including the mass and charge asymmetry, and the proximity energy. The shell correction of the spherical parent nucleus is calculated by using the Strutinsky method, and the empirical shape-dependent shell correction is employed during the deformation process. A quasi-molecular shape sequence has been defined to describe the whole process from one-body shape to two-body shape system, and a two-touching-ellipsoid is adopted when the superdeformed one-body system reaches the rupture point. On these bases the spontaneous fission barriers are systematically studied for nuclei from Th-230 to (249) Cm for different possible exiting channels with the different mass and charge asymmetries. The double, and triple bumps are found in the fission potential energy in this region, which roughly agree with the experimental results. It is found that at around Sn-like fragment the outer fission barriers are lower, while the partner of the Sn-like fragment is in the range near Ru-108 where the ground-state mass is lowered by allowing axially symmetric shapes. The preferable fission channels are distinctly pronounced, which should be corresponding to the fragment mass distributions.
部门归属	[Guo Shu-Qing ; Bao Xiao-Jun ; Li Jun-Qing ; Zhang Hong-Fei] Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China ; [Li Jun-Qing] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China ; [Li Jun-Qing ; Zhang Hong-Fei] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China ; [Li Jun-Qing ; Zhang Hong-Fei] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
关键词	Quasi-molecular Shapes Fusion Barriers Nuclear-fission Humped Fission Deformation Heavy Emission Elements Energy Masses
学科领域	Physics
资助者	National Natural Science Foundation of China [11175074, 11120101005, 11105035, 10805061]; Fundamental Research Funds for the Central Universities [lzujbky-2012-5]; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; National Natural Science Foundation of China [11175074, 11120101005, 11105035, 10805061]; Fundamental Research Funds for the Central Universities [lzujbky-2012-5]; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; National Natural Science Foundation of China [11175074, 11120101005, 11105035, 10805061]; Fundamental Research Funds for the Central Universities [lzujbky-2012-5]; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; National Natural Science Foundation of China [11175074, 11120101005, 11105035, 10805061]; Fundamental Research Funds for the Central Universities [lzujbky-2012-5]; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01]
收录类别	SCI
语种	英语
资助者	National Natural Science Foundation of China [11175074, 11120101005, 11105035, 10805061]; Fundamental Research Funds for the Central Universities [lzujbky-2012-5]; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; National Natural Science Foundation of China [11175074, 11120101005, 11105035, 10805061]; Fundamental Research Funds for the Central Universities [lzujbky-2012-5]; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; National Natural Science Foundation of China [11175074, 11120101005, 11105035, 10805061]; Fundamental Research Funds for the Central Universities [lzujbky-2012-5]; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01] ; National Natural Science Foundation of China [11175074, 11120101005, 11105035, 10805061]; Fundamental Research Funds for the Central Universities [lzujbky-2012-5]; Knowledge Innovation Project of the Chinese Academy of Sciences [KJCX2-EW-N01]
WOS记录号	WOS:000336268700015
引用统计
文献类型	期刊论文
条目标识符	http://ir.itp.ac.cn/handle/311006/15768
专题	理论物理所2014年知识产出
通讯作者	Guo, SQ (reprint author), Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China.
推荐引用方式 GB/T 7714	Guo, SQ,Bao, XJ,Li, JQ,et al. Spontaneous Fission Barriers Based on a Generalized Liquid Drop Model[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2014,61(5):629-635.
APA	Guo, SQ,Bao, XJ,Li, JQ,Zhang, HF,&Guo, SQ .(2014).Spontaneous Fission Barriers Based on a Generalized Liquid Drop Model.COMMUNICATIONS IN THEORETICAL PHYSICS,61(5),629-635.
MLA	Guo, SQ,et al."Spontaneous Fission Barriers Based on a Generalized Liquid Drop Model".COMMUNICATIONS IN THEORETICAL PHYSICS 61.5(2014):629-635.