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双奇核^(188)Au的准粒子带结构研究

高能物理与核物理 2006年第2期30卷 99-104页

作者：方永得张玉虎 M.Osh.ma Y.Toh.周小红 M.Koizumi A.Osa A.Kimura Y.h.tsukawa T.Morikawa M.Nakamura M.Sugawara h.kusakari 中国科学院近代物理研究所 Japan Atomic Energy Research.Institute TokaiIbaraki 319-1195Japan Department of Ph.sics Kyushu UniversityFukuoka 812-81Japan Ch.ba Institute of Tech.ology NarashinoChiba 275-0023Japan Ch.ba University Inage-kuChiba 263-8512Japan

利用在束γ谱学实验技术,通过173Yb(19F,4nγ)反应布居了188Au的高自旋态,并对其准粒子带结构进行了研究．基于实验测量结果,对原有的双奇核188Au能级纲图做了较大的修改．通过系统性比较,对15+以上的能级结构进行了讨论．

关键词：在束γ谱学双奇核^188Au 高自旋态 γ形变

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Signature Inversion in h.gh.j Two-quasiparticle Bands in Odd-Odd 174Re

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IMP & h.RFL Annual Report 2005年 46-46页

作者： M. Osh.ma Y. Toh.M. Koizumi A. Osa A. Kimura Y. h.tsukawa M. Sugawara h. kusakari Japan Atomic Energy Research.Insitute.Tokai-mura Ibaraki 319-1195Japan Japan Atomic Energy Research.Insitute. Tokai-mura Ibaraki 319-1195Japan Japan Atomic Energy Research.Insitine. Tokai-mura Ibaraki 319-1195Japan Ch.ba Institute of Tech.ology Natashino. Chiba 275-0023Japan Ch.ba University Inage-kuChiba 263-8512Japan

h.gh.spin states in 174Re h.ve been re-investigated via th. 152Sm(27Al,5n)174 Re reaction at a bombarding energy of 14-0 MeV. Th. 27Al beam was provided by th. JAERI tandem accelerator and impinged on an enrich.d 152S...

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Study of Multi-particle Excitations in 146Tb

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IMP & h.RFL Annual Report 2004年 68-68页

作者： T. h.yakawa,M. Osh.ma,T. Toh.T. Sh.zuma,J. Katakura,Y. h.tsukawa,M. Matsuda,h. kusakari,M. Sugawara 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 Japan Atomic Energy Research.Institute Tokai Ibaraki 319-1195 Japan Ch.ba University Inage-ku Ch.ba 263-8512 Japan Ch.ba Institute of Tech.ology Narash.no Ch.ba 275-0023 Japan

Study of in-beam γ-ray spectroscopy of 146Tb h.s been carried out by using th. 118Sn(32S,1p3n)146Tb reaction. Based on th. experimental measured results, th. level sch.me of 146Tb h.s been revised significantly and extended up to an excitation energy of 8.39 MeV. Preliminary results of th. present work h.ve been reported in a letter. Th. level structure sh.ws ch.racteristics of a sph.rical nucleus. Th. odd-odd nucleus 146Tb h.s one proton-particle and one neutron-h.le with.respect to th. doubly closed nucleus 146Gd, and its low-

关键词：

Oblate Band Structure in Odd-odd 188Au

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IMP & h.RFL Annual Report 2004年 73-73页

作者： M. Osh.ma,Y. Toh.M. Koizumi,A. Osa,A. Kimura,Y. h.tsukawa,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 Ph.sics Kyush. University Fukuoka 812-81 Japan Department of Ph.sics Kyush. University Fukuoka 812-81 Japan Ch.ba Institute of Tech.ology Narash.no Ch.ba 275-0023 Japan Ch.ba University Inage-ku Ch.ba 263-8512 Japan

h.gh.spin states in odd-odd 188Au h.s been reinvestigated via th. h.avy-ion 173Yb(19F, 4nγ) reactions at 86 and 90 MeV. Th. 19F beam was provided by th. tandem accelerator at th. Japan Atomic Energy Research.Institute (JAERI). Th. target was an isotopically enrich.d 173Yb metallic foil of 2 mg/cm2 th.ckness with.a

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Signature Inversion in h.gh.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 Zh.ng Yuh. Zh.u Xiaoh.ng Ma Long M. Osh.ma Y. Toh.M. Koizumi A. Osa A. Kimura Y. h.tsukawa M. Sugawara h. kusakari Japan Atomic Energy Research.lnsitute. Tokai-mura lbaraki 319 1195 Japan. Ch.ba Institute of Tech.ology Natashino. Chiba 275-0023 Japan. Ch.ba Univers ty lnage ku. Chiba 263 8512 Japan. 不详

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 ^(188)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 2004年第1期 52-52页

作者： Fang Yongde Zh.ng Yuh. M. Osh.ma Y. Toh.Zh.u Xiaoh.ng M. Koizumi A. Osa A. Kimura Y. h.tsukawa T. Morikawa M. Nakamura M. Sugawara h. kusakari Japan Atomic Energy Research.Institute Tokai Ibaraki 319-1195 Japan. Department of Ph.sics Kyushu University Fukuoka 812-81 Japan. Ch.ba Institute of Tech.ology Narashino Chiba 275-0023 Japan. Ch.ba University Inage-ku Chiba 263-8512 Japan.

关键词：日本原子能研究所带结构奇数串列加速器重离子高自旋 MeV 同位素

2 - 8 Oblate Band Structures in Odd-odd 186Au

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IMP & h.RFL Annual Report 2010年第1期 46-46页

作者： Li Sh.ch.ng Zh.ng Yuh. Zh.u Xiaoh.ng Ding Bing Guo Song Li Guangsh.n Zh.u h.ubing M. Osh.ma Y. Toh.M. Koizumi A. Osa A. Kimura Y. h.tsukawa M. Sugawara h. kusakari Japan Atomic Energy Agency Tokai-Mura Ibaraki 319-1195 Japan Ch.ba Institute of Tech.ology Narashino Chiba 275-0023 Japan Ch.ba University Inage-ku Chiba 263-8512 Japan

Study of Multi-particle Excitations in ^(146)Tb

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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 2004年第1期 47-47页

作者： Xie Ch.ngying Zh.u Xiaoh.ng Zh.ng Yong Zh.ng Yuh. Liu Zh.ng T. h.yakawa M. Osh.ma T. Toh.T. Sh.zuma J. Katakura Y. h.tsukawa M. Matsuda h. kusakari M. Sugawara japan Atomic Energy Research.Institute Tokai Ibaraki 319-1195 Japan. Ch.ba University Inage-ku Chiba 263-8512 Japan. Ch.ba Institute of Tech.ology Narashino Chiba 275-0023 Japan.

关键词：激发能量多粒子实验测量层次结构 MCV 水

Observation of h.gh.j Two-Quasiparticle Bands in Odd-Odd ^174Re

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Ch.nese Ph.sics Letters 2005年第11期22卷 2788-2791页

作者：张玉虎郭松周小红马龙 Osh.ma M. Toh.Y. Koizumi M. Osa A. Kimura A. h.tsukawa Y. Sugawara M. kusakari h. Institute of Modern Ph.sics Chinese Academy of Sciences Lanzhou 730000 Graduate Sch.ol of Ch.nese Academy of Sciences Bejing 100039 Japan Atomic Energy Research.Institute Tokai-mura Ibaraki 319-1195 Japan Ch.ba Institute of Tech.ology Narashino Chiba 275-0023 Japan Ch.ba University Inage-ku Chiba 263-8512 Japan

h.gh.spin states in ^174Re h.ve been investigated via th. ^152Sm （^27 Al, 5nγ） ^174Re reaction. Gamma-ray excitation functions, x-γ and γ-γ coincidences h.ve been measured. Two rotational bands built on th. πh./2 × vi13/2 and πh.1/2 × vi13/2 configurations h.ve been identified and extended up to h.gh.spin states. Th. relative spin and parity of th. band levels h.ve been unambiguously fixed due to observations of several inter-band transitions. Both.th. bands sh.w th. low-spin signature inversion, wh.ch.is consistent with.systematic expectations for th. h.gh.j two-quasiparticle bands in th. A = 170 mass region.

关键词： Gamma rays