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Nuclear charge radii of heavy and superheavy nuclei from the experimental alpha-decay energies and half-lives
Ni, Dongdong1; Ren, Zhongzhou1,2,3; Dong, Tiekuang4; Qian, Yibin1
2013-02-13
Source PublicationPHYSICAL REVIEW C
ISSN0556-2813
Volume87Issue:2Pages:0
Corresponding AuthorNi, DD (reprint author), Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China. Email: dongdongnick@gmail.com ; zren@nju.edu.cn
AbstractThe 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
Subject AreaPhysics
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1103/PhysRevC.87.024310
WOS KeywordSPONTANEOUS FISSION ; ELEMENTS ; SYSTEMATICS ; SCATTERING ; EMISSION ; MODEL
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear
WOS IDWOS:000314876700005
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/9757
Collection暗物质和空间天文实验室
Affiliation1.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
Recommended Citation
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.
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