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高祺锐, 徐新星, 周小红, 孙立杰, 梁鹏飞, 刘嘉健, 林承键, 李晓菁, 李智焕, 吴鸿毅, 杨彦云, 王建松, 王东玺, 蓝乙华, 马朋, 段芳芳, 高志浩, 胡强, 白真, 马军兵, 王建国, 钟福鹏, 武晨光, 罗迪雯, 蒋颖, 刘洋, 侯东升, 李忍, 马南茹, 马维虎, 石国柱, 余功明, D.Patel, 金树亚, 王煜峰, 余悦超, 周清武, 王鹏, 胡力元, 王翔, 臧宏亮, 李朋杰, 朱浩钒, 林喆阳, 赵青青, 杨磊, 温培威, 杨峰, 贾会明, 张高龙, 潘敏, 汪小雨, 孙浩瀚, 胡正国, 陈若富, 柳敏良, 杨维青. 近质子滴线核28S的${\beta }$延迟${\gamma }$衰变研究[J]. 原子核物理评论, 2021, 38(2): 117-122. DOI: 10.11804/NuclPhysRev.38.2020084
引用本文: 高祺锐, 徐新星, 周小红, 孙立杰, 梁鹏飞, 刘嘉健, 林承键, 李晓菁, 李智焕, 吴鸿毅, 杨彦云, 王建松, 王东玺, 蓝乙华, 马朋, 段芳芳, 高志浩, 胡强, 白真, 马军兵, 王建国, 钟福鹏, 武晨光, 罗迪雯, 蒋颖, 刘洋, 侯东升, 李忍, 马南茹, 马维虎, 石国柱, 余功明, D.Patel, 金树亚, 王煜峰, 余悦超, 周清武, 王鹏, 胡力元, 王翔, 臧宏亮, 李朋杰, 朱浩钒, 林喆阳, 赵青青, 杨磊, 温培威, 杨峰, 贾会明, 张高龙, 潘敏, 汪小雨, 孙浩瀚, 胡正国, 陈若富, 柳敏良, 杨维青. 近质子滴线核28S的${\beta }$延迟${\gamma }$衰变研究[J]. 原子核物理评论, 2021, 38(2): 117-122. DOI: 10.11804/NuclPhysRev.38.2020084
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Qirui GAO, Xinxing XU, Xiaohong ZHOU, Lijie SUN, Pengfei LIANG, Jiajian LIU, Chengjian LIN, Lee Jenny, Zhihuan LI, Hongyi WU, Yanyun YANG, Jiansong WANG, Dongxi WANG, Yihua LAN, Peng MA, Fangfang DUAN, Zhihao GAO, Qiang HU, Zhen BAI, Junbing MA, Jianguo WANG, Fupeng ZHONG, Chenguang WU, Diwen LUO, Yin JIANG, Yang LIU, Dongsheng HOU, Ren LI, Nanru MA, Weihu MA, Guozhu SHI, Gongming YU, Dipika Patel, Shuya JIN, Yufeng WANG, Yuechao YU, Qingwu ZHOU, Peng WANG, Liyuan HU, Xiang WANG, Hongliang ZANG, Pengjie LI, Haofan ZHU, Zheyang LIN, Qingqing ZHAO, Lei YANG, Peiwei WEN, Feng YANG, Huiming JIA, Gaolong ZHANG, Min PAN, Xiaoyu WANG, Haohan SUN, Zhengguo HU, Ruofu CHEN, Minliang LIU, Weiqing YANG. β-delayed γ Decay of the Nucleus 28S Near the Proton Drip-line[J]. Nuclear Physics Review, 2021, 38(2): 117-122. DOI: 10.11804/NuclPhysRev.38.2020084
Citation: Qirui GAO, Xinxing XU, Xiaohong ZHOU, Lijie SUN, Pengfei LIANG, Jiajian LIU, Chengjian LIN, Lee Jenny, Zhihuan LI, Hongyi WU, Yanyun YANG, Jiansong WANG, Dongxi WANG, Yihua LAN, Peng MA, Fangfang DUAN, Zhihao GAO, Qiang HU, Zhen BAI, Junbing MA, Jianguo WANG, Fupeng ZHONG, Chenguang WU, Diwen LUO, Yin JIANG, Yang LIU, Dongsheng HOU, Ren LI, Nanru MA, Weihu MA, Guozhu SHI, Gongming YU, Dipika Patel, Shuya JIN, Yufeng WANG, Yuechao YU, Qingwu ZHOU, Peng WANG, Liyuan HU, Xiang WANG, Hongliang ZANG, Pengjie LI, Haofan ZHU, Zheyang LIN, Qingqing ZHAO, Lei YANG, Peiwei WEN, Feng YANG, Huiming JIA, Gaolong ZHANG, Min PAN, Xiaoyu WANG, Haohan SUN, Zhengguo HU, Ruofu CHEN, Minliang LIU, Weiqing YANG. β-delayed γ Decay of the Nucleus 28S Near the Proton Drip-line[J]. Nuclear Physics Review, 2021, 38(2): 117-122. DOI: 10.11804/NuclPhysRev.38.2020084
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近质子滴线核28S的\beta 延迟\gamma 衰变研究

β-delayed γ Decay of the Nucleus 28S Near the Proton Drip-line

    摘要
  • 摘要: 在兰州重离子研究装置上，依托兰州放射性束流线，产生、分离和鉴别了同位旋第三分量 T_Z=-2 的近质子滴线核28S，并通过使用包括双面硅条探测器和高纯锗探测器在内的探测阵列，开展了28S的\beta延迟\gamma衰变测量。实验准确测量了28S衰变中的5条\beta延迟\gamma射线，得到了子核28P相应能级的能量。首次提取出了\beta衰变布居到28P低激发态的衰变分支比，并构筑了28S的全新部分衰变纲图。本工作为将来进一步比较28S和28Mg间的镜像不对称性提供了精确的实验数据。

     

    Abstract: The nucleus 28S (isospin projection T_Z=-2 ) near the proton drip-line was produced, separated and purified by HIRFL-RIBLL1 facility and the measurement of \beta-delayed \gamma decay of 28S was performed using a detector array consisted of double-sided silicon detectors and Clover-type high purity germanium detectors. Five \gamma transitions from \beta decay of 28S were precisely measured and the corresponding energies of the states of daughter 28P were obtained. The branch ratios of low-lying states of 28P populated by \beta decay were extracted for the first time and the new partial 28S \beta-decay scheme was deduced. This work provides accurate data for the further study of mirror asymmetry in 28S/28Mg.

     

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