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Rotational Bands in 169Re

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IMP & HIRFL Annual Report 2002年 31-31页

作者： M.Oshima,Y.Toh,M.Koizumi,A.osa,T.Hayakawa,Y.Hatsukawa,T.Shizuma,M.Sugawara Japan Atomic Energy Research Institute Japan. Japan Atomic Energy Research Institute Japan. Japan Atomic Energy Research Institute Japan. Japan Atomic Energy Research Institute Japan. Japan Atomic Energy Research Institute Japan. Japan Atomic Energy Research Institute Japan. Japan Atomic Energy Research Institute Japan. Chiba Institute of Technology Japan.

High-spin states in 169Re have been investigated by means of in-beam 7-ray spectroscopy techniques with the 144Sm(28Si, 1p2n) 169Re reaction. X-γ and γ-γ-t coincidences, 7-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 h9/2 intruder proton orbital (nominally 1/2- [541]) have been established. The AB neutron crossings are observed at hω=0.23 and 0.27 MeV for the 9/2-[514] and 1/2-[541] bands, respectively. The difference between the

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Signature Inversion in Oblate πh_(9/2)vi_(13/2) Band of ^(188)Tl

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近代物理研究所和兰州重离子加速器实验室年报：英文版 2005年第1期 49-49页

作者： Ma Long Zhou Xiaohong Zhang Yuhu Guo Yingxiang M. Oshima Y. Toh M. Koizumi A. osa Y. Hatsukawa M. Sugawara 不详 Japan atomic Energy Research Institute Tokai. lbaraki 319-1195 Japan. Chiba Institue of Technolgy Narashino Chiba 275 0023 Japan.

High-spin Level structure of 188T1 has been studied via the 157Gd(35Cl, 4n) fusion-evaporation reaction at beam energy of 170 MeV. The 35Cl beam was provided by the JAERI tandem accelerator and impinged on an enriched 157Gd metallic foil of 2. 0 mg/cm2 thickness with a 6. 5 mg/cm2 Pb backing.γ-γ-t and X-γ-t measurements were performed by aγ-ray detector array consisting of 13 BGO(AC) HPGe's and 3 LOAX detectors. A total of about 270×106 coincidence events were accumulated. Prior to this work, an early in-

关键词： signature反转日本原子能研究所探测器阵列串列加速器能级结构高自旋能量束金属箔

Low-spin Signature Inversion in πi_(13/2) ■vi_(13/2) Bands of Odd-odd ^(176,178)Ir and ^(182,184)Au Nuclei

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IMP & HIRFL Annual Report 2001年第1期 39-40页

作者： Zhang Yulu M.Oshima T.Morikawa Zhou Xiaohong Liu Zhong He Jianjin Guo Yingxiang Lei Xiangguo T.Hayakawa T.Toh T.Shizuma M.Koizumi A.osa J.Katakura Y.Hatsukawa M.Matsuda N.Shinohara T.Ishii H.Kusakari M.Sugawara K.Furuno T.Komatsubara T.Une Wen Shuxian Zhu Lihua Wang Zhiming Xu Furong Japan Atomic Energy Research Institute TokaiIbaraki319-1195Japan. Department of Physics Kyushu UniversityFukuoka 812-81Japan. Chiba Institute of Technology NarashinoChiba 275-0023Japan. Instiute of Physics and Tandem Accelerator Center University of TsukubaIbaraki 305-0006Japan China Institute of Atomic Energy Beijing 102413 Departrent of Technical Physics Peking UniversityBeijing 100871.

Low-spin signature inversion is a very interesting phenomenon observed in a number of deformed odd-odd nuclei and it has been attracting large experimental and theoretical *** to date,the signature inversion has been systematically observed throughout the chart of nuclides in theπg_(9/2)■vg_(9/2),πh_(11/2),πh_(11/2)■vi_(13/2),andπh_(9/2)■vi_(13/2)configurations.

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Rotational Bands in ^(169)Re

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近代物理研究所和兰州重离子加速器实验室年报：英文版 2002年第1期 31-31页

作者： ZhouXiaohong M.Oshima Y.Toh ZhangYuhu ZhengYong M.Koizumi A.osa T-Hayskawa Y.Hatsukawa T.Shizuma M.Sugawara 不详 JapanAtomicRnergyResearchInstitute Japan. ChibaInstituteofTeclmology Japan.

关键词：铼元素转动带结构高旋态中子穿透频率原子物理学 γ射线光谱技术

Systematic Behaviors of Signature Inversion in πh_(9/2) ■vi_(13/2) Bands in A~170 Mass Region

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IMP & HIRFL Annual Report 2001年第1期 38-39页

作者： Zhang Yulu M.Oshima T.Morikawa Zhou Xiaohong Liu Zhong He Jianjun Guo Yingxiang Lei Xiangguo T.Hayakawa T.Toh T.Shizuma M.Koizumi A.osa J.Katakura Y.Hatsukawa M.Matsuda N.Shinohara T.Ishii H.Kusakari M.Sugawara K.Furuno T.Komatsubara T.Une Wen Shuxian Zhu Lihua Wang Zhinming Xu Furong Depatment of Physics Kyushu UniversityFukuoka812-81Japan. Institute of Physics and Tandem Accelerator Center University of TsukubaIbaraki305-0006Japan. China Institute of Atomic Energy Beijing 102413 Departrment of Technical Physics Peking UniversityBejjing 100871

Low-spin signature inversion in theπh9/2■vi_(13/2)band was reported for the first time by Bark et al.~[1]in^(162,164)Tm and^(174)Ta in *** then,this inversion phenomenon has been found in several neighboring odd-odd *** the past few years,we have made great efforts to investigate the band structures in odd-odd nuclei in this mass rgion,leading to observation of signature invesion in^(170)Ta,^(172)Re,^(176~280)Ir and ^(182)Au,respectively.

关键词： nuclei signature Inversion Bands in A Mass Region vi bands isotopes inversion circles

Study of 1/2[660](πi_(13/2)) Rotation Band in ^(179)Au

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近代物理研究所和兰州重离子加速器实验室年报：英文版 2003年第1期 47-47页

作者： songLitao ZhouXiaohong GuoYingxiang SunZhiyu M.Oshima T.Toh A.osa M.Koizumi J.Katakura Y.Hatsukawa M.Matsuda M.Sugawara 不详 JapanAtomicEnergyResearchInstitute TokaiIbaraki319-1195Japan. ChibaInstituteofTechnology NarashinoChiba275-0023Japan.

High-spin states in ^179Au have been studied experimentally by using the ^149Sm(^35C1, 5n) reaction at beam energies of 164,~180 MeV. The ^35C1 beam was provided by the tandem accelerator at the Japan Atomic En-ergy Research Institute (JAERI). The target is an isotopically enriched ^149Sm metallic foil of 1.5 mg/cm^2 thickness with a 5.0 mg/cm^2 Pb backing. Measurements of γ-ray excitation functions, X-γ coincidences and γ-γ-t coincidences were performed with 13 HPGe's with BGO anti-Compton shields and three LOAX detectors.

关键词：金核子转动波段告诉旋状状态二级加速器原子核物理学

Strucure of Negative Parity Band in 185pt

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近代物理研究所和兰州重离子加速器实验室年报：英文版 2009年第1期 45-45页

作者： Li Guangshun Zhou Xiaohong Zhang Yuhu Zhou Houbing Ding Bing Wang Haixia M. Oshima Y. Toh M. Koizumi A. osa Y. Hatsukawa M. Sugawara Japan Atomic Energy Research Institute Japan. Chiba Institute of Technology Japan.

Signature Inversion in High-j Two-quasiparticle Bands in Odd-Odd ^(174)Re

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近代物理研究所和兰州重离子加速器实验室年报：英文版 2005年第1期 46-46页

作者： Gou Song Zhang Yuhu Zhou Xiaohong Ma Long M. Oshima Y. Toh M. Koizumi A. osa A. Kimura Y. Hatsukawa M. Sugawara H. Kusakari Japan Atomic Energy Research lnsitute. Tokai-mura lbaraki 319 1195 Japan. Chiba Institute of Technology Natashino. Chiba 275-0023 Japan. Chiba Univers ty lnage ku. Chiba 263 8512 Japan. 不详

High spin states in 174Re have been re-investigated via the 152Sm(27Al,5n)174 Re reaction at a bombarding energy of 14-0 MeV. The 27Al beam was provided by the JAERI tandem accelerator and impinged on an enriched 152S... 详细信息

关键词： signature反转准粒子带日本原子能研究所串列加速器轰击能量高自旋 MeV 金属箔

Oblate Band Structure in Odd-odd 188Au

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IMP & HIRFL Annual Report 2004年 73-73页

作者： M. Oshima,Y. Toh,M. Koizumi,A. osa,A. Kimura,Y. Hatsukawa,T. Morikawa,M. Nakamura,M. Sugawara,H. Kusakari Japan Atomic Energy Research Institute Tokai Ibaraki 319-1195 Japan Japan Atomic Energy Research Institute Tokai Ibaraki 319-1195 Japan Japan Atomic Energy Research Institute Tokai Ibaraki 319-1195 Japan Japan Atomic Energy Research Institute Tokai Ibaraki 319-1195 Japan Japan Atomic Energy Research Institute Tokai Ibaraki 319-1195 Japan Japan Atomic Energy Research Institute Tokai Ibaraki 319-1195 Japan Department of Physics Kyushu University Fukuoka 812-81 Japan Department of Physics Kyushu University Fukuoka 812-81 Japan Chiba Institute of Technology Narashino Chiba 275-0023 Japan Chiba University Inage-ku Chiba 263-8512 Japan

High-spin states in odd-odd 188Au has been reinvestigated via the heavy-ion 173Yb(19F, 4nγ) reactions at 86 and 90 MeV. The 19F beam was provided by the tandem accelerator at the Japan Atomic Energy Research Institute (JAERI). The target was an isotopically enriched 173Yb metallic foil of 2 mg/cm2 thickness with a

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