Enhanced stability of superheavy nuclei due to high-spin isomerism

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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.
刊名	PHYSICAL REVIEW LETTERS
	2004
卷号	92 期号:25 页码:-
关键词	Elements Fission No-254
ISSN号	0031-9007
英文摘要	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.
学科主题	Physics
URL标识	查看原文
WOS记录号	WOS:000222266100015
公开日期	2012-08-30
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/14060]
专题	理论物理研究所_理论物理所1978-2010年知识产出
通讯作者	Xu, FR , Peking Univ, Sch Phys, Beijing 100871, Peoples R China.
推荐引用方式 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):-.