Rotational bands in Re-169 | |
Koizumi, M; Zhou, XH; Oshima, M; Toh, Y; Zhang, YH; Zheng, Y; Osa, A; Hayakawa, T; Hatsukawa, Y; Shizuma, T | |
刊名 | EUROPEAN PHYSICAL JOURNAL A
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2002-11-01 | |
卷号 | 15期号:10页码:285-289 |
ISSN号 | 1434-6001 |
DOI | 10.1140/epja/i2002-10076-x |
英文摘要 | High-spin states in Re-169 have been investigated by means of in-beam gamma-ray spectroscopy techniques with the Sm-144(Si-28, 1p2ngamma)Re-169 reaction. X-gamma and gamma-gamma-t coincidences, gamma-ray anisotropies, and DCO ratios were measured. A strongly coupled band based on the 9/2(-) [514] Nilsson state and a decoupled band built on the h(9/2) intruder proton orbital (nominally 1/2(-) [541]) have been established. The AB neutron crossings are observed at (h) over bar omega = 0.23 and 0.27 MeV for the 9/2-[514] and 1/2-[541] bands, respectively. The 9/2-[514] band in Re-169 shows the largest signature splitting at low spin among the odd-mass Re isotopes. Band properties of the AB neutron crossing frequencies, alignment gains, and signature splittings are discussed, and compared with those in the heavier odd-A Re isotopes. Additionally, a three-quasipariticle band is observed, and the pi9/2(-) [514] x nuAE configuration is proposed tentatively. |
WOS关键词 | HIGH-SPIN STRUCTURE ; COEXISTENCE ; ALIGNMENT ; ISOTOPES ; OS-172 |
WOS研究方向 | Physics |
语种 | 英语 |
出版者 | SPRINGER-VERLAG |
WOS记录号 | WOS:000179928700001 |
公开日期 | 2010-10-29 |
内容类型 | 期刊论文 |
源URL | [http://ir.imp.cas.cn/handle/113462/1553] ![]() |
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 | Zhou, XH |
作者单位 | 1.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China 2.Japan Atom Energy Res Inst, Ibaraki 3191195, Japan 3.Chiba Inst Technol, Chiba 2750023, Japan |
推荐引用方式 GB/T 7714 | Koizumi, M,Zhou, XH,Oshima, M,et al. Rotational bands in Re-169[J]. EUROPEAN PHYSICAL JOURNAL A,2002,15(10):285-289. |
APA | Koizumi, M.,Zhou, XH.,Oshima, M.,Toh, Y.,Zhang, YH.,...&Sugawara, M.(2002).Rotational bands in Re-169.EUROPEAN PHYSICAL JOURNAL A,15(10),285-289. |
MLA | Koizumi, M,et al."Rotational bands in Re-169".EUROPEAN PHYSICAL JOURNAL A 15.10(2002):285-289. |
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