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Xu, FR; Zhao, EG; Wyss, R; Walker, PM; Xu, FR , Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
Enhanced stability of superheavy nuclei due to high-spin isomerism
Source PublicationPHYSICAL REVIEW LETTERS
KeywordElements Fission No-254
AbstractConfiguration-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.
2004
ISSN0031-9007
Volume92Issue:25Pages:-
Subject AreaPhysics
Indexed BySCI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14060
Collection理论物理所科研产出_SCI论文
Corresponding AuthorXu, FR , Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
Recommended Citation
GB/T 7714
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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