兰州大学机构库 >核科学与技术学院
Competition between alpha-decay and spontaneous fission for superheavy nuclei
Bao, XJ; Guo, SQ; Zhang, HF(张鸿飞); Xing, YZ; Dong, JM; Li, JQ; Bao, XJ (reprint author), Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China.
2015-08
Source PublicationJOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
ISSN0954-3899
Volume42Issue:8
AbstractThe alpha-decay half-lives of recently synthesized superheavy nuclei (SHN) are investigated by employing a unified fission model (UFM) and Royer's analytical formula (2000 J. Phys. G: Nucl. Part. Phys. 26 1149). The good agreement with the experimental data indicates the UFM and the analytical formula are useful tools to investigate these alpha-decays. A modified formula is proposed for determining the spontaneous fission half-lives based on Swiatecki's formula, including the microscopic shell correction and isospin effect. The spontaneous fission half-lives for heavy and SHN in regions from Th to Fl are calculated systematically. Experimental data are well reproduced by the modified Swiatecki formula. The competition between alpha-decay and spontaneous fission is analyzed in detail and the decay modes are predicted for the unknown cases.
KeywordAlpha-decay Spontaneous Fission Superheavy Nuclei
Subject AreaPhysics
PublisherIOP
DOI10.1088/0954-3899/42/8/085101
Publication PlaceBRISTOL
Indexed BySCIE
Language英语
First Inst
Funding Project国家自然科学基金项目 ; 中央高校基本科研业务费专项资金
Project NumberNational Natural Science Foundation of China [11175074, 11475050, 11265013, 11405223] ; Fundamental Research Funds for the Central Universities [Grantlzujbky-2014-230] ; CAS Knowledge Innovation Project [KJCX2-EW-N02]
WOS IDWOS:000358185000005
Funding OrganizationNSFC ; LZU
SubtypeArticle
IRIDWOS:000358185000005
Department[Bao, X. J.;
Guo, S. Q.;
Zhang, H. F.] Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China;
[Xing, Y. Z.] Tianshui Normal Univ, Dept Phys, Tianshui 741001, Peoples R China;
[Dong, J. M.;
Li, J. Q.] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
Citation statistics
Cited Times:51[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/180952
Collection核科学与技术学院
Corresponding AuthorBao, XJ (reprint author), Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China.
Recommended Citation
GB/T 7714
Bao, XJ,Guo, SQ,Zhang, HF,et al. Competition between alpha-decay and spontaneous fission for superheavy nuclei[J]. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,2015,42(8).
APA Bao, XJ.,Guo, SQ.,Zhang, HF.,Xing, YZ.,Dong, JM.,...&Bao, XJ .(2015).Competition between alpha-decay and spontaneous fission for superheavy nuclei.JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,42(8).
MLA Bao, XJ,et al."Competition between alpha-decay and spontaneous fission for superheavy nuclei".JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS 42.8(2015).
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