|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | 双奇核中πi_(13/2)νi_(13/2)2-准粒子转动带旋称反转研究显示文摘利用重离子熔合蒸发反应和在束γ谱学实验方法研究了双奇核176,178Ir和182 Au的高自旋态结构 ,在这 3个双奇核中观测到了基于πi13 2 νi13 2 准粒子组态下的转动带 .以能级间隔系统学为判据 ,对184Au核中πi13 2 νi13 2 转动带能级自旋进行了指定 .指出176,178Ir和182 ,184Au 4个双奇核的πi13 2 νi13 2 转动带在低自旋区均出现旋称反转 .对πi13 2 νi13 2 转动带旋称反转现象进行了定性的讨论 .用推转壳模型对πh9 2 νi13 2 带和πi13 2 νi13 2 带能级结构进行了理论研究 ,发现当采用形变和对力自洽计算后 。 | 张玉虎 M.Oshima T.Morikawa T.Hayakawa Y.Toh 周小红 何建军 刘忠 甘再国 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 温书贤 竺礼华 王治民 许甫荣 | 2003 | 高能物理与核物理2003,27,4: | 3 |
| 2 | 双奇核^(182)Au高自旋态能级结构及旋称反转显示文摘利用^(152)Sm(^(35)Cl,5nγ)^(182)Au核反应产生并研究了双奇核^(182)Au的高自旋态,首次建立了双奇核^(182)Au基于πh_(9/2)(×)Vi(13/2)和πi_(13/2)(×)Vi_(13/2)准粒子组态上的转动带能级纲图,发现在低自旋区,两个转动带能级均出现旋称反转.用推转壳模型对^(182)Au的转动带能级进行了理论研究,发现当采用形变和对力自洽计算后,从理论上可以定性地解释^(182)Au核中两个转动带出现的旋称反转现象。 | 张玉虎 许甫荣 何建军 刘忠 周小红 甘再国 M.Oshima T.Hayakawa Y.Toh T.Shizuma J.Katakura Y.Hatsukawa M.Matsuda H.Kusakari M.Sugawara K.Furuno T.Komatsubara T.Une 温书贤 王治民 | 2003 | 中国科学(G辑)2003,33,1: | 3 |
| 3 | ^(127)I核的新能级纲图(英文)显示文摘利用1 2 4 Sn( 7Li,4n) 1 2 7I反应研究了1 2 7I核的在束γ谱 ,建立了包括 2 5个新能级和 52条新γ射线构成的新能级纲图 .将基于πh1 1 2 粒子态 ( 1 1 2 - )的负宇称能级推高到 ( 3 5 2 - ) ,在较重的1 2 7I核中得到了退耦合能级结构 .由于在两个正宇称带ΔI=2能级系列中观测到了强的带间跃迁 ,建议此带的主要成分为g7 2质子的组态 .另外还观测到了两个正宇称ΔI=2和ΔI=1能级系列 ,它们可能基于πd5 2 的单准粒子带和一个 3准粒子带 . | 张玉虎 马英君 Y.Sasaki K.Yamada H.Ohshima S.Yokose M.Ishizuka T.Komatsubara K.Furuno | 2002 | 高能物理与核物理2002,26,2: | 2 |
| 4 | 形变双奇核^(178)Ir转动带能级的旋称反转显示文摘利用152Sm(31P,5nγ)178Ir反应产生并研究了双奇核178Ir的高自旋态.实验中进行了178Ir核的在束 γ测量,包括γ射线的激发函数测量、X-γ和γ-γ符合测量.首次建立了双奇核178Ir基于πh9/2νi13/2和πh11/2νi13/2准粒子组态上的转动带能级纲图.发现在低自旋区,两个转动带能级均出现旋称反转.对此核区半退耦带的旋称反转作了简要的分析和讨论. | 张玉虎 T.Hayakawa M.Oshima Y.Toh J.Katakura Y.Hatsukawa M.Matsuda N.Shinohara T.Ishii H.Kusakari M.Sugawara T.Komatsubara | 2000 | 高能物理与核物理2000,24,12: | 2 |
| 5 | Search for Signature Inversion in the πi_(13/2) vi_(13/2) Band in Odd-Odd ^(178I)r显示文摘The search for the ri_(13/2) vi_(13/2 ) band in ^(178)Ir has been conducted through the ^(152)Sm(^(31) P, 5nγ)^( 178)Ir reaction and the excitation functions, x-γ and γ-γ-t coincidence measurements. Five rotational bands have been newly identified. The low-spin signature inversion in the πi13/2 vi13/2 band has been confirmed by the observations of linking transitions and signature crossing at I = 25.5 h. The inversion phenomenon in rh11/2 vi_(13/2), rh9/2 vi_(13/2) and ri_(13/2) vi13/2 structures in ^(178)Ir provides a unique testing ground for different theoretical interpretations. | 张玉虎 T.Hayakawa M.Oshima Y.Toh J.Katakura Y.Hatsukawa M.Matsuda N.Shinohara T.Ishii H.Kusakari M.Sugawara T.Komatsubara K.Furuno | 2001 | Chinese Physics Letters2001,18,10: | 1 |
| 6 | ^(135)La高自旋态的实验研究显示文摘利用在束γ谱实验技术 ,通过 12 8Te(10 B ,3n) 13 5La反应研究了 13 5La的高自旋态 .基于γ γ符合关系、γ射线的相对强度和各向异性度的测量结果 ,建立了 13 5La的能级纲图 .在ω≈ 0 .4 0MeV附近 ,观测到基于πh11 2 质子轨道上的负宇称带的带交叉 .比较N =78同中子素链能级结构的系统性 ,认为该带交叉是由一对h11 2 准质子发生转动顺排造成的 .在高自旋态处 ,观测到具有很强M1跃迁、Signature劈裂很小的ΔI =1负宇称带 ,根据系统性认为该带是建立在πh11 2 (νh11 2 ) 2 组态上的γ≈ - 6 0°的扁椭球形变带 . | 骆鹏 张玉虎 周小红 柳敏良 郭应祥 刘忠 雷相国 宋立涛 郑勇 王华磊 于海萍 谢成营 马英君 Y.Sasaki K.Yamada H.Ohshima S.Yokose M.Ishizuka T.Komatsubara K.Furuno | 2004 | 高能物理与核物理2004,28,5: | 1 |
| 7 | 关键天体反应18Ne(α,p)21Na的实验研究显示文摘在X射线暴高温高密度的环境中,18Ne(α,p)21Na很可能是由热CNO循环突破到rp过程的一个重要反应。到目前为止,人们测得的反应率还存在很大的不确定性。实验中用CRIB(CNS Radioactive Ion Beam separator)提供的21Na放射性束轰击8.8 mg/cm2的聚乙烯厚靶,利用放置在θlab=-14°,0°,14°处的3套硅条探测器望远镜阵列对反冲轻粒子进行鉴别和测量,测得在一段能区(Ex=5.5~9.2MeV)内21Na(p,p)21Na的激发函数。通过对21Na(p,p)共振弹性散射截面进行R矩阵拟合,得到了22Mg共振能级的自旋宇称以及质子宽度等信息,从而为计算18Ne(α,p)21Na反应率提供了实验参数。 | 张立勇 许世伟 何建军 H.Yamaguchi S.Kubono Y.Wakabayashi: 陈思泽 胡钧 马朋 Y.Togano T.Hashimoto D.Kahl T.Teranishil 陈若富 王宏伟 田文栋 郭冰 S.Hayakawa N.Iwasa T.Yamada T.Komatsubara | 2013 | 原子核物理评论2013,30,4: | 1 |
| 8 | ^(134)Ba能级结构的在束γ谱学研究显示文摘利用在束γ谱学技术 ,通过 12 8Te(10 B ,1p3n) 13 4 Ba反应研究了 13 4 Ba的中、高自旋激发态 .实验中采用 9套BGO(AC)HPGe探测器进行了γ γ t符合测量 .基于γ γ符合关系、γ射线的相对强度和各向异性度的测量结果建立了 13 4 Ba的能级纲图 .比较N =78的同中子素链的负宇称能级结构的系统性 ,发现激发能位于 4 14 2keV ,Jπ 值为 11-的能级很可能是与 13 | 骆鹏 柳敏良 刘忠 张玉虎 周小红 郭应祥 马英君 Y.Sasaki K.Yamada H.Ohshima S.Yokose M.Ishizuka T.Komatsubara K.Furuno | 2004 | 高能物理与核物理2004,28,3: | 1 |
| 9 | 双奇核^(172)Re的高自旋态显示文摘对149Sm(27Al,4n)172Re反应产生的172Re在束γ的实验数据进行了重新分析,新发现了可归属于172Re的3个转动带,由此建立了由6个转动带构成的172Re高自旋态能级纲图。依据相邻核的带结构知识和推转壳模型分析方法,对新发现的3个转动带的准粒子组态进行了指定,讨论了它们的转动特征。 | 张昕 张玉虎 周小红 郭文涛 郭松 郭应祥 M.Oshima Y.Toh M.Koizimi A.Osa A.Kimura Y.Hatsukawa T.Morikawa M.Nakamura M.Sugawara H.Kusakari T.Komatsubara K.Furuno | 2010 | 原子核物理评论2010,27,1: | 0 |
| 10 | Neutron and Alpha Structure in Neutron Deficient Nuclei in Astrophysics显示文摘The paper includes discussions on the important role of neutron and alpha configurations in proton-rich nuclei in nuclear astrophysics in terms of nucleosynthesis under extremely high-temperature hydrogenburning conditions. The νp-process, which is supposed to take place at the very early epoch of type II supernovae, has considerable neutrons and alphas together with protons. The alpha-induced reactions on proton-rich unstable nuclei in the light mass regions is expected to play a crucial role, but very few of them were investigated well yet because of the experimental difficulties. Specifically, I report our recent experimental effort for the breakout process from the pp-chain region,~7Be(α, γ)^(11)C(α,p)^(14)N under the νp-process. The neutron-induced reactions on proton-rich nuclei, which is even more a challenging subject, were investigated previously for very few nuclei. One possible experimental method is the Trojan Horse Method(THM). We successfully have applied THM to the ^(18)F(n,α)^(14)N reaction study with an unstable beam of ^(18)F. | S.Kubono 何建军 H.Yamaguchi D.M.Kahl S.Hayakawa T.Teranishi S.Cheribini M.Gulino Y.K.Kwon T.Hashimoto Y.Wakabayashi N.Iwasa S.Kato T.Komatsubara D.N.Binh L.H.Khiem N.N.Duy T.Kawabata C.Spitaleri G.G.Rapisarda M.La Cognata L.Lamia R.G.Pizzone S.Romano A.Coc N.de Sereville F.Hammache G.Kiss S.Bishop | 2016 | 原子核物理评论2016,33,2: | 0 |
| 11 | ^(176,178)Os新低位激发态的识别显示文摘利用在束实验产生具有β+/EC衰变性质核素176,178Ir,分析了在束实验条件下获得的γ-γ符合数据,识别出了176Os的4条新能级和13条新γ跃迁、178Os的5条新能级和14条新γ跃迁。籍助氦喷嘴快速带传输系统,进一步对176Ir的β+/EC衰变进行了测量,在确认在束测量新γ射线的同时建议了176Ir的一个低自旋同核异能态。通过两准粒子耦合的半经验计算,建议了176,178Ir基态及同核异能态的组态。 | 王华磊 张玉虎 周小红 郭应祥 雷祥国 徐树威 谢元祥 郑勇 柳敏良 邢烨炳 谢成营 宋立涛 郭文涛 T.Hayakawa M.Oshima Y.Toh J.Katakura Y.Hatssukawa M.Matsuda N.Shinohara T.Ishii H.Kusakari M.Sugawara T.Komatsubara | 2006 | 原子核物理评论2006,23,1: | 0 |
| 12 | 双奇核^(172)Re高自旋态转动带结构实验研究显示文摘利用重离子熔合蒸发反应 14 9Sm (2 7Al,4nγ) 172 Re布居了形变双奇核 172 Re的高自旋态 ,用 12套带有BGO反康普顿抑制的高纯锗探测器阵列进行了在束γ实验测量 ,首次建立了形变双奇核172 Re由 3个转动带构成的高自旋态能级纲图 .研究和讨论了 3个转动带的结构特征 ,基于已有的高自旋态核结构知识并通过系统学比较和分析指出它们的准粒子组态分别为πh11 2 νi13 2 ,πh9 2 νi13 2 和π1 2 -[5 41] ν1 2 -[5 2 1].发现前两个转动带在自旋小于 18.5时其转动能级呈现反常的旋称劈裂 . | 张玉虎 M.Oshima Y.Toh 周小红 M.Koizimi A.Osa A.Kimura Y.Hatsukawa T.Morikawa M.NakamuraDepartment of Physics Kyushu University Fukuoka Japan M.SugawaraChiba Institute of Technology Narashino Chiba 275-0023 Japan H.Kusakari T.Komatsubara K.Furuno | 2003 | 高能物理与核物理2003,27,7: | 0 |
| 13 | 双奇核^(172)Re高自旋态实验研究显示文摘利用149Sm(27Al,4nγ)172Re反应布居了形变双奇核172Re的高自旋态,用12套带有BGO反康普顿抑制的高纯锗探测器阵列进行了在束γ实验测量,首次建立了172Re由3个转动带构成的高自旋态能级纲图.研究和讨论了3个转动带的结构特征,基于已有的高自旋态核结构知识并通过系统学比较和分析指出它们的准粒子组态分别为πh11/2 νi13/2,πh9/2 νi13/2和 π1/2-[541] ν1/2-[521].发现前两个转动带在自旋小于18时其转动能级呈现反常的旋称劈裂. | 张玉虎 王华磊 周小红 柳敏良 M.Oshima Y.Toh M.Koizimi A.Osa A.Kimura Y.Hatsukawa T.Morikawa M.Nakamura M.Sugawara H.Kusakari T.Komatsubara K.Furuno | 2004 | 原子核物理评论2004,21,4: | 0 |
| 14 | Doubly Decoupled Structure in Odd-Odd ^(178-186)Ir Nuclei显示文摘High-spin states in 178'180Ir have been studied via the 152'154Sm(31P,5nγ)reactions through excitation functions,x-γandγ-γ-t coincidence measurements.A doubly decoupled band has been identified in each of the isotopes.The level spacings for such structures in odd-odd ^(178-186)Ir have been inspected and thus a regular level staggering as a function of the neutron number is revealed.This particular phenomenon may be associated with bandmixing at lower excitation energies. | 张玉虎 T.Hayakawa M.Oshima Y.Toh J.Katakura Y.Hatsukawa M.Matsuda N.Shinohara T.Ishii H.Kusakari M.Sugawara T.Komatsubara | 2001 | Chinese Physics Letters2001,18,1: | 0 |
| 15 | Experimental Study of High-spin States in ^(127)I^1显示文摘Study of in-bearn γ-ray spectroscopy o^(127)I has been carried out by using^(124)Sn(~7Li,4n)^(127)I reaction.The ~7Li beam was delivered by the Tandem Accelerator in the University of Tsukuba,Japan.The target was an enriched self-supporting^(124)Sn metallic foil of 4 mg/cm^2 thickness.A γ-ray detector array composed of one planar detector and 9 BGO-Compton-suppressed Ge detectors was used.Five Ge detectors were positioned | Y.Sasaki K.Yamada H.Ohshima S.Yokose M.Ishizuka T.Komatsubara K.Furuno | 2001 | IMP & HIRFL Annual Report2001,,1: | 0 |
| 16 | Systematic Behaviors of Signature Inversion in πh_(9/2) vi_(13/2) Bands in A~170 Mass Region显示文摘Low-spin signature inversion in the πh9/2[?]vi_(13)/2 band was reported for the first time by Bark et al.~[1]in ^(162,164)Tm and ^(174)Ta in 1997.Since then,this inversion phenomenon has been found in several neighboring odd-odd nuclei.During the past few years,we have made great efforts to investigate the band structures | M.Oshima T.Morikawa 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 | 2001 | IMP & HIRFL Annual Report2001,,1: | 0 |
| 17 | Low-spin Signature Inversion in πi_(13/2) vi_(13/2) Bands of Odd-odd ^(176,178)Ir and ^(182,184)Au Nuclei显示文摘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 interests.Up to date,the signature inversion has been systematically observed throughout the chart of nuclides in the πg9/2[?]vg9/2,πh_(11)/2, | M.Oshima T.Morikawa 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 | 2001 | IMP & HIRFL Annual Report2001,,1: | 0 |
| 18 | Rotational Band Structures in Odd-Odd ^(178)Ir显示文摘High-spin states of odd-odd^(178)Ir has been studied by using^(152)Sm(^(31)P,5n)^(178)Ir reaction.The^(31)P bcam was provided by the JAERI(Japan Atomic Enetgy Research Institute)tandem acceelerator.The target is an enriched^(152)Sm metallic foil of 1 mg/cm^2 thickness with 5 mg/cm^2 Au backing.The excitation function was measured by using^(31)P beam from 150 to 170 MeV with 5 MeV energy steps.The bearn energy of 160 | T.Hayakawa M.Oshima Y.Toh J.Katakura Y.Hatsukawa M.Matsuda N.Shinohara T.Ishii H.Kusakari M.Sugawara T.Komatsubara K.Furuno | 2001 | IMP & HIRFL Annual Report2001,,1: | 0 |
| 19 | Semi-decoupled Bands in Odd-Odd ^(182)Au显示文摘High-spin states of odd-odd^(182)Au has been studied for the first time,by USing^(152)Sm(^(35)Cl,5n)^(182)Au reaction at 183MeV beam energy.The^(35)Cl beam was provided by the JAERI(Japan Atomic Energy Research Institute)tandem accelerator.The target is an enriched^(152)Sm metallic fon of 1 mg/cm^2 thickhess with 5 mg/cm^2 | T.Hayakawa M.Oshima T.Toh T.Shizuma J.Katakura Y.Hatsukawa M.Matsuda H.Kusakari M.Sugawara K.Furuno T.Komatsubara T.Une | 2001 | IMP & HIRFL Annual Report2001,,1: | 0 |
| 20 | 形变双奇核^(180)Ir的高自旋态实验研究显示文摘利用15 4 Sm( 31P ,5nγ) 180 Ir反应产生并研究了双奇核180 Ir的高自旋态 .实验中进行了180 Ir核的在束γ测量 ,包括γ射线的激发函数测量、X γ和γ γ符合测量 ,首次建立了双奇核180 Ir由 5个转动带构成的能级纲图 .依据从实验数据中提取出的带内B(M1 ) /B(E2 )值与理论计算值的比较 ,以及相邻双奇核的带结构特征 ,给出了转动带的准粒子组态 .在推转壳模型的理论框架中 。 | 张玉虎 T.Hayakawa M.Oshima J.Katakura Y.Hatsukawa M.Matsuda H.Kusakari M.Sugawara T.Komatsubara K.Furuno | 2002 | 高能物理与核物理2002,26,6: | 0 |