Nuclear charge radii of heavy and superheavy nuclei from the experimental alpha-decay energies and half-lives

CORC > 紫金山天文台 > 中国科学院紫金山天文台 > 暗物质和空间天文实验室

	Nuclear charge radii of heavy and superheavy nuclei from the experimental alpha-decay energies and half-lives
	Ni, Dongdong 1; Ren, Zhongzhou 1,2,3; Dong, Tiekuang4 ; Qian, Yibin 1
刊名	PHYSICAL REVIEW C
	2013-02-13
卷号	87 期号:2 页码:0
ISSN号	0556-2813
通讯作者	Ni, DD (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China. Email: dongdongnick@gmail.com ; zren@nju.edu.cn
英文摘要	The radius of a nucleus is one of the important quantities in nuclear physics. Although there are many researches on ground-state properties of superheavy nuclei, researches on charge radii of superheavy nuclei are rare. In this article, nuclear root-mean-square (rms) charge radii of heavy and superheavy nuclei are extracted from the experimental alpha-decay data. alpha-decay calculations are performed within the generalized density-dependent cluster model, where alpha-decay half-lives are evaluated using quasibound state wave functions. The charge distribution of daughter nuclei is determined in the double-folding model to reproduce the experimental alpha-decay half-lives. The rms charge radius is then calculated using the resulting charge distribution. In addition, a simple formula is also proposed to calculate nuclear charge radii with the experimental alpha-decay energies and half-lives. The formula is directly derived from the Wentzel-Kramers-Brillouin barrier penetration probability with some approximations. The two different methods show good agreement with the experimental data for even-even nuclei, and the deduced results are consistent with other theoretical models. Moreover, nuclear radii of heavy and superheavy nuclei with Z = 98-116 are extracted from the alpha-decay data, for which alpha decay is a unique tool to probe nuclear sizes at present. This is the first result on nuclear charge radii of superheavy nuclei based on the experimental alpha-decay data. DOI: 10.1103/PhysRevC.87.024310
学科主题	Physics
WOS标题词	Science & Technology ; Physical Sciences
类目[WOS]	Physics, Nuclear
研究领域[WOS]	Physics
关键词[WOS]	SPONTANEOUS FISSION ; ELEMENTS ; SYSTEMATICS ; SCATTERING ; EMISSION ; MODEL
收录类别	SCI
语种	英语
WOS记录号	WOS:000314876700005
公开日期	2014-01-08
内容类型	期刊论文
源URL	[http://libir.pmo.ac.cn/handle/332002/9757]
专题	紫金山天文台_暗物质和空间天文实验室
作者单位	1.Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China 2.Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China 3.Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China 4.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
推荐引用方式 GB/T 7714	Ni, Dongdong,Ren, Zhongzhou,Dong, Tiekuang,et al. Nuclear charge radii of heavy and superheavy nuclei from the experimental alpha-decay energies and half-lives[J]. PHYSICAL REVIEW C,2013,87(2):0.
APA	Ni, Dongdong,Ren, Zhongzhou,Dong, Tiekuang,&Qian, Yibin.(2013).Nuclear charge radii of heavy and superheavy nuclei from the experimental alpha-decay energies and half-lives.PHYSICAL REVIEW C,87(2),0.
MLA	Ni, Dongdong,et al."Nuclear charge radii of heavy and superheavy nuclei from the experimental alpha-decay energies and half-lives".PHYSICAL REVIEW C 87.2(2013):0.