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Enhanced stability of superheavy nuclei due to high-spin isomerism
Xu, FR; Zhao, EG; Wyss, R; Walker, PM; Xu, FR , Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
2004
发表期刊PHYSICAL REVIEW LETTERS
ISSN0031-9007
卷号92期号:25页码:-
摘要Configuration-constrained calculations of potential-energy surfaces in even-even superheavy nuclei reveal systematically the existence at low excitation energies of multiquasiparticle states with deformed axially symmetric shapes and large angular momenta. These results indicate the prevalence of long-lived, multiquasiparticle isomers. In a quantal system, the ground state is usually more stable than the excited states. In contrast, in superheavy nuclei the multiquasiparticle excitations decrease the probability for both fission and alpha decay, implying enhanced stability. Hence, the systematic occurrence of multiquasiparticle isomers may become crucial for future production and study of even heavier nuclei. The energies of multiquasiparticle states and their alpha decays are calculated and compared to available data.
部门归属Peking Univ, Sch Phys, Beijing 100871, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Natl Lab Heavy Ion Phys, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China; Royal Inst Technol, AlbaNova Univ Ctr, S-10405 Stockholm, Sweden; Univ Surrey, Dept Phys, Surrey GU2 7XH, England
关键词Elements Fission No-254
学科领域Physics
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收录类别SCI
WOS记录号WOS:000222266100015
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14060
专题理论物理所SCI论文
通讯作者Xu, FR , Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
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Xu, FR,Zhao, EG,Wyss, R,et al. Enhanced stability of superheavy nuclei due to high-spin isomerism[J]. PHYSICAL REVIEW LETTERS,2004,92(25):-.
APA Xu, FR,Zhao, EG,Wyss, R,Walker, PM,&Xu, FR , Peking Univ, Sch Phys, Beijing 100871, Peoples R China..(2004).Enhanced stability of superheavy nuclei due to high-spin isomerism.PHYSICAL REVIEW LETTERS,92(25),-.
MLA Xu, FR,et al."Enhanced stability of superheavy nuclei due to high-spin isomerism".PHYSICAL REVIEW LETTERS 92.25(2004):-.
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