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| 1 | Energy calibration of HPGe detector using the high-energy characteristic γ rays in 13C formed in 6Li + 12C reaction显示文摘An 6 Li+89Y experiment was conducted at the Laboratori Nazinali di Legnaro,INFN,Italy.The 550μg/cm^2 thick^89Y target was backed on a 340μg/cm^2 thick 12C foil.The severalγrays in the experiment with energies higher than 3000 keV can most likely be ascribed to the transitions in the 13C nuclei,which can be formed through various interactions between the 6 Li beam and the 12C foil.The high-energy properties ofγrays in 13C are employed for energy calibrating HPGe detectors,especially for the>3000 keV region,which is impossible to reach by common standard sources(152Eu,133Ba,etc.).Furthermore,γ-γand particle-γcoincidence measurements were performed to investigate the formation of 13C. | Jia-Tai Li Xue-Dou Su Gao-Long Zhang Guang-Xin Zhang Shi-Peng Hu Jing-Bin Lu Yi-Feng Lv Hui-Bin Sun Huan-Qiao Zhang D.Testov P.R.John J.J.Valiente-Dobon A.Goasduff M.Siciliano F.Galtarossa F.Recchia D.Mengoni D.Bazzacco | 2020 | Nuclear Science and Techniques2020，31，5： | 1 |
| 2 | 首次发现A=130核区中的t-band显示文摘Backbending played a pivotal role in the progress of high-spin structure research[1].This phennomenon was interpreted as a result of band-crossing between two intrinsic configurations which dominate lower-and higher-spin region.Usually the two configurations are differed by two nucleons,which are paired in the former,and unpaired in the latter.According to the strong-coupling scheme,two unpaired quasi-particles can couple to both high-K and low-K configurations in deformed nuclei.Usually only the lower can be identified experimentally since it is favoured by the Gallagher-Moszkowski spin-spin coupling rules[2]. | Guo Song Qiang Yunhua C.M.Petrache Liu Minliang Wang Jianguo A.Astier B.F.Lv D.Bazzacco G.de Angelis Fang Yongde Li Guangshun Zheng Kuankuan Li Ren A.Goasduff K.Hadynska G.Jaworski D.R.Napoli M.Siciliano J.J.Valiente-Dobon | 2018 | IMP & HIRFL Annual Report2018，，1： | 0 |
| 3 | Coexsitence of Three Foundamental Symmetries in One Nucleus显示文摘Near degeneracy between two quantum states is usually associated with fundamental symmetries and symmetry breakings in complex many-body systems like atomic nuclei.Pseudospin symmetry was introduced to describe energy degeneracy between single-particle states with quantum numbers(n,l,j=l+1/2)and(n-1,l+2,j=l+3/2)[1-3]. | Guo Song Qiang Yunhua C.M.Petrache Liu Minliang Wang Jianguo A.Astier B.F.Lv D.Bazzacco G.de Angelis Fang Yongde Li Guangshun Zheng Kuankuan Li Ren A.Goasduff K.Hadynska G.Jaworski D.R.Napoli M.Siciliano J.J.Valiente-Dobon | 2019 | IMP & HIRFL Annual Report2019，，1： | 0 |
| 4 | ^(130)Ba中同质异能态上的能级结构显示文摘Isomeric I^(π)=8^(-) states have been observed in the even-even N=74 nuclei ^(138)Gd[1],^(136)Sm[2],^(134)Nd[3],^(132)Ce[4],^(130)Ba[5],^(128)Xe[6]with half-lives ranging from nanoseconds(Xe)to milliseconds(Ba,Ce).Rotational bands built on the K^(π)=8^(-) isomer were identified in all these isotones,with the exception of 130Ba.The singleparticle configuration of the isomers have been deduced from theΔI=2 toΔI=1γ-ray intensity branching ratios,which allowed to extract the(gK��gR)/Q0 values,and therefore the quasi-particle configuration of the state. | Guo Song Qiang Yunhua C.M.Petrache Liu Minliang Wang Jianguo A.Astier B.F.Lv D.Bazzacco G.de Angelis Fang Yongde Li Guangshun Zheng Kuankuan Li Ren A.Goasduff K.Hadynska G.Jaworski D.R.Napoli M.Siciliano J.J.Valiente-Dobon | 2017 | IMP & HIRFL Annual Report2017，，1： | 0 |
| 5 | Low-lying states of 92,93Nb excited in the reactions induced by the weakly-bound nucleus 6Li near the Coulomb barrier显示文摘Excited states of odd-odd nucleus 92Nb and odd-A nucleus 93Nb were populated in the 6Li+ 89Y reaction with an incident energy of 34 MeV. The processes that produce 92,93Nb and can be measured by a combination of light charged particle and gamma ray measurements are discussed. Twenty new transitions are observed and eight new levels are constructed in 92Nb, and in addition two new transitions are added to the level scheme of 93Nb. Using shell model calculations, the low-lying structure of 92Nb is investigated and compared with the experimental results. | 吕翌丰 陆景彬 张高龙 吴义恒 袁岑溪 傅冠健 张广鑫 黄珍 王明李 胡世鹏 孙慧斌 张焕乔 李成乾 马克岩 马英君 刘运祚 D.Testov P.R.John J.J.Valiente-Dobon A.Goasduff M.Siciliano F.Galtarossa F.Recchia D.Mengoni D.Bazzacco | 2019 | Chinese Physics C2019，43，10： | 0 |
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