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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 《中国物理 C》2003,(4)
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 ,从理论上可以定性地解释两个半退耦带出现的旋称反转现象 相似文献
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LOU Jian-Ling LI Zhi-Huan YE Yan-Lin JIANG Dong-Xing HUA Hui LI Xiang-Qing ZHANG Shuang-Quan ZHENG Tao GE Yu-Chen KONG Zan LV Lin-Hui LI Chen LU Fei FAN Feng-Ying LI Zhong-Yu CAO Zhong-Xin MA Li-Ying Faisal XU Hu-Shan HU Zheng-Guo WANG Meng LEIXiang-Guo DUAN Li-Min XIAO Zhi-Gang ZHAN Wen-Long XIAO Guo-Qing HUANG Tian-Heng FU Fen ZHANG Xue-Heng ZHENG Chuan YU Yu-Hong TU Xiao-Lin ZHANG Ya-Peng YANG Yan-Yun ZHANG Hong-Bin TANG Bin TIAN Yu-Lin OU Yang-Zhen HUANG Mei-Rong XU Zhi-Guo YUE Ke GAO Qi 《中国物理快报》2008,25(6):1992-1995
The β-delayed neutron and γ energy spectra taken from the decay of neutron-rich nucleus 21N were measured by using the β-γ and β-n coincidence detection method. Thirteen new neutron groups ranging from 0.28MeV to 4.98MeV and with a total branching ratio of 88.7±4.2% were observed andpresented. One γ transition with an energy of 1222keV emitted from the excited state of 21O, and four γ transitions with energies of 1674, 2397, 2780, and 3175keV emitted from the excited states of 20O were identified in the β decay chain of 21N. The β decay half-life for 21N is determined to be 82.9±1.9ms. The uncertainty of half-life is much smaller than the previous result. 相似文献
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