Experimental observation of high spin states in La-135 nucleus
文献类型：期刊论文
| 作者 | Ohshima, H; Luo, P; Zhang, YH; Zhou, XH; Liu, ML; Guo, YX; Liu, Z; Lei, XG; Song, LT; Zheng, Y |
| 刊名 | HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
 |
| 出版日期 | 2004-05-01 |
| 卷号 | 28期号:5页码:495-501 |
| 关键词 | gamma-gamma-t coincidence high spin state level scheme |
| ISSN号 | 0254-3052 |
| 英文摘要 | High spin states of La-135 have been experimentally studied by using Te-128 (B-10, 3n) La-135 reaction at.46 Me V beam energy. Based on the gamma-gamma coincidence relationships, relative intensities and ADO ratios, a level scheme of (135) La has been established. Both signature components of the pih(11/2) negative-parity band and a band crossing at (h) over bar omega approximate to 0.40MeV were observed. In view of the systematics of the N = 78 isotones, this backbending is proposed to be caused by the alignment of a pair of pih(11/2) protons. The pih(11/2) protons drive the nuclear core towards gamma approximate to 0degrees, the collective prolate shape. In addition, a 01 = 1 negative-parity band with strong M1 transitions and a very small signature splitting was observed.. Comparing with the systematic features of DeltaI= 1 bands in neighboring odd-proton nuclei in this mass region, the pih(11/2) circle times (nuh(11/2))(2) configuration was assigned to the DeltaI= 1 bands of (135) La. The alignment of the pih(11/2) neutron pair drives the nuclear core towards gamma approximate to - 60degrees, the collective oblate shape. |
| WOS关键词 | COUPLING SCHEME ; BAND ; SYSTEMATICS ; ALIGNMENTS ; SHAPE |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000221515500009 |
| 出版者 | SCIENCE CHINA PRESS |
| 公开日期 | 2010-10-29 |
| 源URL | [http://ir.imp.cas.cn/handle/113462/1667]  |
| 专题 | 近代物理研究所_近代物理研究所知识存储（2010之前） |
| 通讯作者 | Zhang, YH |
| 作者单位 | 1.Univ Tsukuba, Inst Phys, Tsukuba, Ibaraki 305006, Japan 2.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China 3.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China 4.Jilin Univ, Dept Phys, Changchun 130012, Peoples R China 5.Univ Tsukuba, Tandem Accelerator Lab, Tsukuba, Ibaraki 305006, Japan |
| 推荐引用方式 GB/T 7714 | Ohshima, H,Luo, P,Zhang, YH,et al. Experimental observation of high spin states in La-135 nucleus[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2004,28(5):495-501. |
| APA | Ohshima, H.,Luo, P.,Zhang, YH.,Zhou, XH.,Liu, ML.,...&Furuno, K.(2004).Experimental observation of high spin states in La-135 nucleus.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,28(5),495-501. |
| MLA | Ohshima, H,et al."Experimental observation of high spin states in La-135 nucleus".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 28.5(2004):495-501. |
入库方式： OAI收割
来源：近代物理研究所
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