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孙立杰, 徐新星, 林承键, 方德清, 王建松, 李智焕, 王玉廷, 李晶, 杨磊, 马南茹, 王康, 臧宏亮, 王宏伟, 李琛, 施晨钟, 聂茂武, 李秀芳, 李贺, 马军兵, 马朋, 金仕纶, 黄美容, 白真, 王建国, 杨峰, 贾会明, 张焕乔, 刘祖华, 包鹏飞, 王东玺, 杨彦云, 周远杰, 马维虎, 陈杰, 马余刚, 张玉虎, 周小红, 徐瑚珊, 肖国青. 20Mgβ衰变谱学与15O(α,γ)19Ne反应(英文)[J]. 原子核物理评论, 2017, 34(3): 431-436. doi: 10.11804/NuclPhysRev.34.03.431
引用本文: 孙立杰, 徐新星, 林承键, 方德清, 王建松, 李智焕, 王玉廷, 李晶, 杨磊, 马南茹, 王康, 臧宏亮, 王宏伟, 李琛, 施晨钟, 聂茂武, 李秀芳, 李贺, 马军兵, 马朋, 金仕纶, 黄美容, 白真, 王建国, 杨峰, 贾会明, 张焕乔, 刘祖华, 包鹏飞, 王东玺, 杨彦云, 周远杰, 马维虎, 陈杰, 马余刚, 张玉虎, 周小红, 徐瑚珊, 肖国青. 20Mgβ衰变谱学与15O(α,γ)19Ne反应(英文)[J]. 原子核物理评论, 2017, 34(3): 431-436. doi: 10.11804/NuclPhysRev.34.03.431
SUN Lijie, XU Xinxing, LIN Chengjian, FANG Deqing, WANG Jiansong, LI Zhihuan, WANG Yuting, LI Jing, YANG Lei, MA Nanru, WANG Kang, ZANG Hongliang, WANG Hongwei, LI Chen, SHI Chenzhong, NIE Maowu, LI Xiufang, LI He, MA Junbing, MA Peng, JIN Shilun, HUANG Meirong, BAI Zhen, WANG Jianguo, YANG Feng, JIA Huiming, ZHANG Huanqiao, LIU Zuhua, BAO Pengfei, WANG Dongxi, YANG Yanyun, ZHOU Yuanjie, MA Weihu, CHEN Jie, MA Yugang, ZHANG Yuhu, ZHOU Xiaohong, XU Hushan, XIAO Guoqing. Beta-decay Spectroscopy of 20Mg and the Implications for 15O(α,γ)19Ne Reaction[J]. Nuclear Physics Review, 2017, 34(3): 431-436. doi: 10.11804/NuclPhysRev.34.03.431
Citation: SUN Lijie, XU Xinxing, LIN Chengjian, FANG Deqing, WANG Jiansong, LI Zhihuan, WANG Yuting, LI Jing, YANG Lei, MA Nanru, WANG Kang, ZANG Hongliang, WANG Hongwei, LI Chen, SHI Chenzhong, NIE Maowu, LI Xiufang, LI He, MA Junbing, MA Peng, JIN Shilun, HUANG Meirong, BAI Zhen, WANG Jianguo, YANG Feng, JIA Huiming, ZHANG Huanqiao, LIU Zuhua, BAO Pengfei, WANG Dongxi, YANG Yanyun, ZHOU Yuanjie, MA Weihu, CHEN Jie, MA Yugang, ZHANG Yuhu, ZHOU Xiaohong, XU Hushan, XIAO Guoqing. Beta-decay Spectroscopy of 20Mg and the Implications for 15O(α,γ)19Ne Reaction[J]. Nuclear Physics Review, 2017, 34(3): 431-436. doi: 10.11804/NuclPhysRev.34.03.431

20Mgβ衰变谱学与15O(α,γ)19Ne反应(英文)

doi: 10.11804/NuclPhysRev.34.03.431
基金项目: 国家重点基础研究发展计划项目(973计划)(2013CB834404);国家自然科学基金项目(11375268,11475263,U1432246,U1432127,11505293,11635015)
详细信息
    通讯作者: 徐新星,E-mail:xuxinxing@ciae.ac.cn;林承键,E-mail:cjlin@ciae.ac.cn
  • 中图分类号: O571.5

Beta-decay Spectroscopy of 20Mg and the Implications for 15O(α,γ)19Ne Reaction

Funds: National Basic Research Program of China(973 Program) (2013CB834404); National Natural Science Foundation of China (11375268, 11475263, U1432246, U1432127, 11505293, 11635015)
More Information
    Corresponding author: 10.11804/NuclPhysRev.34.03.431
  • 摘要: 15O(α,γ)19Ne(p,γ)20Na反应链是高温CNO循环向快速质子俘获过程突破的一条关键路径,相关的反应率输入量可通过20Mg的β衰变可布居19Ne共振态并测量其衰变性质来获得。通过高效率高精度地测量20Mg β衰变中产生的质子与γ射线得到了20Mg衰变的详细信息,并构建了完整的衰变纲图,还进行了19Ne 4 033 keV共振态衰变性质的探索,获得了该态在20Mg β衰变中被布居的分支比上限。通过比20Mg和20O镜像能级跃迁的结果确认了同位旋非对称性,为检验相关理论模型提供了精确的实验数据。对于突破路径中有重要影响的19Ne 4 033 keV共振态的性质,有待更高统计的实验进一步研究。


    The breakout from the hot CNO cycle to the rapid proton capture process can occur via the 15O(α,γ)19Ne(p,γ)20Na reaction sequence, and the β decay of 20Mg can be used as an alternative method to characterize some specific resonances, which will provide detailed nuclear structure input for reaction rate calculations. The reliable information on the decay properties and structure of 20Mg was obtained by measuring the emitted particles and γ-rays in the β decay with high efficiency and high resolution. Attempt was also made to search for the decay channels associated with the 4 033 keV resonance in 19Ne. To test fundamental symmetries, the transitions in the mirror decays of 20Mg and 20O were compared. The precise experimental data presented here would be important to constrain the theoretical calculations. It is desirable to clarify the astrophysically relevant problem by further experiments with improved statistics on the basis of the present work.
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出版历程
  • 收稿日期:  2016-12-14
  • 修回日期:  2017-03-29
  • 刊出日期:  2017-07-18

20Mgβ衰变谱学与15O(α,γ)19Ne反应(英文)

doi: 10.11804/NuclPhysRev.34.03.431
    基金项目:  国家重点基础研究发展计划项目(973计划)(2013CB834404);国家自然科学基金项目(11375268,11475263,U1432246,U1432127,11505293,11635015)
    通讯作者: 徐新星,E-mail:xuxinxing@ciae.ac.cn;林承键,E-mail:cjlin@ciae.ac.cn
  • 中图分类号: O571.5

摘要: 15O(α,γ)19Ne(p,γ)20Na反应链是高温CNO循环向快速质子俘获过程突破的一条关键路径,相关的反应率输入量可通过20Mg的β衰变可布居19Ne共振态并测量其衰变性质来获得。通过高效率高精度地测量20Mg β衰变中产生的质子与γ射线得到了20Mg衰变的详细信息,并构建了完整的衰变纲图,还进行了19Ne 4 033 keV共振态衰变性质的探索,获得了该态在20Mg β衰变中被布居的分支比上限。通过比20Mg和20O镜像能级跃迁的结果确认了同位旋非对称性,为检验相关理论模型提供了精确的实验数据。对于突破路径中有重要影响的19Ne 4 033 keV共振态的性质,有待更高统计的实验进一步研究。


The breakout from the hot CNO cycle to the rapid proton capture process can occur via the 15O(α,γ)19Ne(p,γ)20Na reaction sequence, and the β decay of 20Mg can be used as an alternative method to characterize some specific resonances, which will provide detailed nuclear structure input for reaction rate calculations. The reliable information on the decay properties and structure of 20Mg was obtained by measuring the emitted particles and γ-rays in the β decay with high efficiency and high resolution. Attempt was also made to search for the decay channels associated with the 4 033 keV resonance in 19Ne. To test fundamental symmetries, the transitions in the mirror decays of 20Mg and 20O were compared. The precise experimental data presented here would be important to constrain the theoretical calculations. It is desirable to clarify the astrophysically relevant problem by further experiments with improved statistics on the basis of the present work.

English Abstract

孙立杰, 徐新星, 林承键, 方德清, 王建松, 李智焕, 王玉廷, 李晶, 杨磊, 马南茹, 王康, 臧宏亮, 王宏伟, 李琛, 施晨钟, 聂茂武, 李秀芳, 李贺, 马军兵, 马朋, 金仕纶, 黄美容, 白真, 王建国, 杨峰, 贾会明, 张焕乔, 刘祖华, 包鹏飞, 王东玺, 杨彦云, 周远杰, 马维虎, 陈杰, 马余刚, 张玉虎, 周小红, 徐瑚珊, 肖国青. 20Mgβ衰变谱学与15O(α,γ)19Ne反应(英文)[J]. 原子核物理评论, 2017, 34(3): 431-436. doi: 10.11804/NuclPhysRev.34.03.431
引用本文: 孙立杰, 徐新星, 林承键, 方德清, 王建松, 李智焕, 王玉廷, 李晶, 杨磊, 马南茹, 王康, 臧宏亮, 王宏伟, 李琛, 施晨钟, 聂茂武, 李秀芳, 李贺, 马军兵, 马朋, 金仕纶, 黄美容, 白真, 王建国, 杨峰, 贾会明, 张焕乔, 刘祖华, 包鹏飞, 王东玺, 杨彦云, 周远杰, 马维虎, 陈杰, 马余刚, 张玉虎, 周小红, 徐瑚珊, 肖国青. 20Mgβ衰变谱学与15O(α,γ)19Ne反应(英文)[J]. 原子核物理评论, 2017, 34(3): 431-436. doi: 10.11804/NuclPhysRev.34.03.431
SUN Lijie, XU Xinxing, LIN Chengjian, FANG Deqing, WANG Jiansong, LI Zhihuan, WANG Yuting, LI Jing, YANG Lei, MA Nanru, WANG Kang, ZANG Hongliang, WANG Hongwei, LI Chen, SHI Chenzhong, NIE Maowu, LI Xiufang, LI He, MA Junbing, MA Peng, JIN Shilun, HUANG Meirong, BAI Zhen, WANG Jianguo, YANG Feng, JIA Huiming, ZHANG Huanqiao, LIU Zuhua, BAO Pengfei, WANG Dongxi, YANG Yanyun, ZHOU Yuanjie, MA Weihu, CHEN Jie, MA Yugang, ZHANG Yuhu, ZHOU Xiaohong, XU Hushan, XIAO Guoqing. Beta-decay Spectroscopy of 20Mg and the Implications for 15O(α,γ)19Ne Reaction[J]. Nuclear Physics Review, 2017, 34(3): 431-436. doi: 10.11804/NuclPhysRev.34.03.431
Citation: SUN Lijie, XU Xinxing, LIN Chengjian, FANG Deqing, WANG Jiansong, LI Zhihuan, WANG Yuting, LI Jing, YANG Lei, MA Nanru, WANG Kang, ZANG Hongliang, WANG Hongwei, LI Chen, SHI Chenzhong, NIE Maowu, LI Xiufang, LI He, MA Junbing, MA Peng, JIN Shilun, HUANG Meirong, BAI Zhen, WANG Jianguo, YANG Feng, JIA Huiming, ZHANG Huanqiao, LIU Zuhua, BAO Pengfei, WANG Dongxi, YANG Yanyun, ZHOU Yuanjie, MA Weihu, CHEN Jie, MA Yugang, ZHANG Yuhu, ZHOU Xiaohong, XU Hushan, XIAO Guoqing. Beta-decay Spectroscopy of 20Mg and the Implications for 15O(α,γ)19Ne Reaction[J]. Nuclear Physics Review, 2017, 34(3): 431-436. doi: 10.11804/NuclPhysRev.34.03.431
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