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题名: Double magic nuclei for Z > 82 and N > 126
作者: Zhang, HF ;  Gao, Y ;  Wang, N ;  Li, JQ ;  Zhao, EG ;  Royer, G
刊名: PHYSICAL REVIEW C
出版日期: 2012
卷号: 85, 期号:1, 页码:14325
关键词: MEAN-FIELD THEORY ;  SUPERHEAVY ELEMENTS ;  HEAVY ;  CA-48 ;  STABILITY
学科分类: Physics
通讯作者: Zhang, HF (reprint author), Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China.
部门归属: [Zhang, H. F.; Gao, Y.; Li, J. Q.] Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China; [Zhang, H. F.; Li, J. Q.] Natl Lab Heavy Ion Accelerator, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China; [Gao, Y.] Hangzhou Dianzi Univ, Sch Informat Engn, Hangzhou 310018, Peoples R China; [Wang, N.] Guangxi Normal Univ, Dept Phys, Guilin 541004, Peoples R China; [Zhao, E. G.] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; [Royer, G.] UMR IN2P3 CNRS Univ Ecole Mines, Lab Subatech, Nantes 44, France
英文摘要: The "island of stability" of superheavy nuclei due to shell effects is explored and the alpha-decay half-lives of these nuclei are predicted. The calculations of the binding energies within a new macroscopic-microscopic model (MMM) are performed and compared with the experimental data for heavy nuclei from Md to the Z = 118 element. The agreement is excellent. The data confirm that the (270)Hs is a deformed double submagic nucleus beyond Pb-208. The features of alpha-decay energies and one-proton-separation energies from the MMM reveal that the next double magic nucleus after (270)Hs should be (298)114. The potential energy surfaces calculated within the constrained relativistic mean-field (CRMF) theory show that the (270)Hs is a deformed double magic nucleus, but (298)114 is a spherical double magic nucleus. The alpha-decay half-lives are determined using a generalized liquid drop model (GLDM) with the Q(alpha) from the MMM for Hs and Z = 114 isotopes, respectively.
资助者: National Natural Science Foundation of China [10875152, 10775061, 10825522, 10975064, 11105035, 11175074]; CAS [KJCX2-EW-N01]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000299919500004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15176
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Recommended Citation:
Zhang, HF,Gao, Y,Wang, N,et al. Double magic nuclei for Z > 82 and N > 126[J]. PHYSICAL REVIEW C,2012,85(1):14325.
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