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Volume 34 Issue 3
Jul.  2017
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Article Navigation >  Nuclear Physics Review  > 2017  >  34(3): 431-436

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

doi: 10.11804/NuclPhysRev.34.03.431
  • 1.

    China Institute of Atomic Energy, Beijing 102413, China;

  • 2.

    Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China;

  • 3.

    Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;

  • 4.

    School of Physics, Peking University, Beijing 100871, China

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
  • Received Date: 2016-12-14
  • Rev Recd Date: 2017-03-29
  • Publish Date: 2017-07-18
  • 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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Beta-decay Spectroscopy of 20Mg and the Implications for 15O(α,γ)19Ne Reaction

doi: 10.11804/NuclPhysRev.34.03.431
  • 1. China Institute of Atomic Energy, Beijing 102413, China;
  • 2. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China;
  • 3. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
  • 4. School of Physics, Peking University, Beijing 100871, China
Funds:  National Basic Research Program of China(973 Program) (2013CB834404); National Natural Science Foundation of China (11375268, 11475263, U1432246, U1432127, 11505293, 11635015)
    Corresponding author: 10.11804/NuclPhysRev.34.03.431
  • Received Date: 2016-12-14
  • Rev Recd Date: 2017-03-29
  • Publish Date: 2017-07-18

Abstract: 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.

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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