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	First identification of collective bands and octupole correlations in the neutron-rich La-143 nucleus
	Wang, J. G. ; Zhu, S. J. ; Hamilton, J. H. ; Ramayya, A. V. ; Hwang, J. K. ; Luo, Y. X. ; Chen, Y. J. ; Rasmussen, J. O. ; Lee, I. Y. ; Che, X. L. ; Ding, H. B. ; Li, K. ; Goodin, C. T. ; Xu, Q.
	2010-05-06 ; 2010-05-06
关键词	SHELL-MODEL DEFORMATION MASS ISOTOPES REGION BA-143 PROTON DECAY Physics, Nuclear
中文摘要	The high-spin levels in the neutron-rich La-143 nucleus have been investigated from the study of prompt gamma rays in the spontaneous fission of Cf-252 with the Gammasphere detector array. A new level scheme with spin up to 27/2 h has been established, and the collective bands have been identified for the first time. A set of opposite-parity bands connected by Delta I=1E1 crossing transitions gives evidence for octupole correlations. The results of B(E1)/B(E2) branching ratios indicate that the octupole correlations in La-143 are strong. The reflection-asymmetry shell model is applied to calculate the levels of the octupole bands of La-143, and the calculated results are in good agreement with the experimental ones.
语种	英语 ; 英语
出版者	AMERICAN PHYSICAL SOC ; COLLEGE PK ; ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/15257]
专题	清华大学
推荐引用方式 GB/T 7714	Wang, J. G.,Zhu, S. J.,Hamilton, J. H.,et al. First identification of collective bands and octupole correlations in the neutron-rich La-143 nucleus[J],2010, 2010.
APA	Wang, J. G..,Zhu, S. J..,Hamilton, J. H..,Ramayya, A. V..,Hwang, J. K..,...&Xu, Q..(2010).First identification of collective bands and octupole correlations in the neutron-rich La-143 nucleus..
MLA	Wang, J. G.,et al."First identification of collective bands and octupole correlations in the neutron-rich La-143 nucleus".(2010).

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