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An Isomer in 136Ba

ImP & HIRFL Annual Report 2002年 36-36页

作者： m.Oshima,T.Hayakawa,Y.Toh,T.Shizima,Y.Hatsukawa,T.Ishii,m.sugawara Japan Atomic Energy Research Institute. Japan Atomic Energy Research Institute. Japan Atomic Energy Research Institute. Japan Atomic Energy Research Institute. Japan Atomic Energy Research Institute. Japan Atomic Energy Research Institute. Japan Atomic Energy Research Institute.

The N=82 136Ba nucleus has a proton number between the Z=50 and Z=64 shell closures. Thus it is interesting to obtain detailed spectroscopic information on low-lying states in 136Ba. Such experimental information is important to achieve a unified description of nuclei based on shell model with multiparticle space.

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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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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

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

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

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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Surgical outcome comparisons of multifocal IOLs of Lentis Comfort LS-313 mF15 and Tecnis Eyhance DIB00V

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International Journal of Ophthalmology(English edition) 2023年第12期16卷 2004-2010页

作者： Kyohei sugawara Ryosuke Ito Hiroshi Horiguchi Kei mizobuchi Satoshi Katagiri Hisato Gunji Tadashi Nakano Comparisons of multifocal IOLs of LS-313-mF15 and DIB00V Department of Ophthalmology the Jikei University School of MedicineTokyo 105-8461Japan

AIm:To compare the surgical outcomes of a multifocal intraocular lens(IOL;Lentis Comfort LS-313 mF15)with those of an enhanced monofocal IOL(Tecnis Eyhance DIB00V).mETHODS:This retrospective study included patients who underwent cataract surgery with LS-313 mF15 or Eyhance IOL *** regarding patient demographics,surgical records,and ophthalmic examination before the cataract surgery and one and three months postoperatively were *** acuities,refractive values,defocus curves,contrast sensitivities and subjective symptoms were ***:Among the 71 eyes(47 patients)included in this study,32 eyes(20 patients)underwent LS-313 mF15 IOL implantation,and 39 eyes(27 patients)underwent Eyhance IOL *** significant differences were observed in age,axial length,or refractive error between the two groups ***,the distancecorrected and uncorrected distance visual acuities one month postoperatively did not differ between the groups,and both groups had sufficient visual acuities at the distances of 5,1 m,70,50,and 30 *** ophthalmic data,including subjective symptoms based on the 14-item Visual Function Index Questionnaire,monocular defocus curves,contrast sensitivities,and halo and glare,did not differ between the groups three months ***,both groups had good *** spherical equivalent one month postoperatively was significantly myopic in the LS-313 mF15 group compared with that in the Eyhance group(P=0.033);however,this difference was not observed three months postoperatively(P=0.471).CONCLUSION:Comparison of the surgical outcomes of LS-313 mF15 with those of Eyhance with different optical properties reveal that both IOLs show good postoperative outcomes,with no significant differences being noted between the two IOLs.

关键词： cataracts intermediate distances intraocular lens multifocal surgical outcomes

Study of multi-particle Excitations in 146Tb

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ImP & HIRFL Annual Report 2004年 68-68页

作者： T. Hayakawa,m. Oshima,T. Toh,T. Shizuma,J. Katakura,Y. Hatsukawa,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 Chiba University Inage-ku Chiba 263-8512 Japan Chiba Institute of Technology Narashino Chiba 275-0023 Japan

Study of in-beam γ-ray spectroscopy of 146Tb has been carried out by using the 118Sn(32S,1p3n)146Tb reaction. Based on the experimental measured results, the level scheme of 146Tb has been revised significantly and extended up to an excitation energy of 8.39 meV. Preliminary results of the present work have been reported in a letter. The level structure shows characteristics of a spherical nucleus. The odd-odd nucleus 146Tb has one proton-particle and one neutron-hole with respect to the doubly closed nucleus 146Gd, and its low-

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Study of Level Structure in 146Tb

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ImP & HIRFL Annual Report 2002年 41-41页

作者： T.Hayakawa,m.Oshima,T.Toh,T.Shizuma,J.Katakura,Y.Hatsukawa,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. Chiba University Inage-ku Chiba 263-8512 Japan. Chiba Institute of Technology Narashino Chiba 275-0023 Japan.

The level structure of doubly odd nucleus 146Tb has been studied via the 118Sn(32S, 1p 3n)146Tb reaction by using techniques of in-beam γ-iay spectroscopy. measurements of 7-ray excitation functions, 7-ray anisotropies, X-γ and γ-γ-t coincidences were performed with 12 BGO(AC)HPGe detectors. Based on the γ-γ coincidence relationships, intensity balances and cross-over transitions, the level scheme of 146Tb has been extended up to

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