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刘志毅, 李成波, 王思广, 周静, 孟秋英, 卢绍军, 周书华, 容超凡, 袁大庆. 7Be半衰期的精确测量[J]. 原子核物理评论, 2003, 20(4): 235-238. doi: 10.11804/NuclPhysRev.20.04.235
引用本文: 刘志毅, 李成波, 王思广, 周静, 孟秋英, 卢绍军, 周书华, 容超凡, 袁大庆. 7Be半衰期的精确测量[J]. 原子核物理评论, 2003, 20(4): 235-238. doi: 10.11804/NuclPhysRev.20.04.235
LIU Zhi-yi, LI Cheng-bo, WANG Si-guang, ZHOU Jing, MENG Qiu-ying, LU Shao-jun, ZHOU Shu-hua, RONG Chao-fan, YUAN Da-qing. High Precision Measurement of Half-life of 7Be[J]. Nuclear Physics Review, 2003, 20(4): 235-238. doi: 10.11804/NuclPhysRev.20.04.235
Citation: LIU Zhi-yi, LI Cheng-bo, WANG Si-guang, ZHOU Jing, MENG Qiu-ying, LU Shao-jun, ZHOU Shu-hua, RONG Chao-fan, YUAN Da-qing. High Precision Measurement of Half-life of 7Be[J]. Nuclear Physics Review, 2003, 20(4): 235-238. doi: 10.11804/NuclPhysRev.20.04.235

7Be半衰期的精确测量

doi: 10.11804/NuclPhysRev.20.04.235

High Precision Measurement of Half-life of 7Be

  • 摘要: 用两套γ谱仪精确测量了注入到天然铍和天然金中的7Be发生电子俘获的半衰期.测得7Be在天然铍中半衰期为53.275(25)d,在天然Au中为53.270(19)d.该结果还表明,在这两种材料中7Be半衰期的相对变化小于0.12%. The half-life of 7Be implanted in natural beryllium and in natural gold has been measured with high precision using two high-purity germanium detectors. T_(1/2)=53.275(25) d in natural beryllium and T_(1/2)=53.270(19) d in natural gold is obtained. Within our experimental precision, the difference in the effect of host media beryllium and gold on the half-life of 7Be isn t observed and an upper limit 0.12% of this effect can be set.
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出版历程
  • 收稿日期:  1900-01-01
  • 修回日期:  1900-01-01
  • 刊出日期:  2003-12-20

7Be半衰期的精确测量

doi: 10.11804/NuclPhysRev.20.04.235

摘要: 用两套γ谱仪精确测量了注入到天然铍和天然金中的7Be发生电子俘获的半衰期.测得7Be在天然铍中半衰期为53.275(25)d,在天然Au中为53.270(19)d.该结果还表明,在这两种材料中7Be半衰期的相对变化小于0.12%. The half-life of 7Be implanted in natural beryllium and in natural gold has been measured with high precision using two high-purity germanium detectors. T_(1/2)=53.275(25) d in natural beryllium and T_(1/2)=53.270(19) d in natural gold is obtained. Within our experimental precision, the difference in the effect of host media beryllium and gold on the half-life of 7Be isn t observed and an upper limit 0.12% of this effect can be set.

English Abstract

刘志毅, 李成波, 王思广, 周静, 孟秋英, 卢绍军, 周书华, 容超凡, 袁大庆. 7Be半衰期的精确测量[J]. 原子核物理评论, 2003, 20(4): 235-238. doi: 10.11804/NuclPhysRev.20.04.235
引用本文: 刘志毅, 李成波, 王思广, 周静, 孟秋英, 卢绍军, 周书华, 容超凡, 袁大庆. 7Be半衰期的精确测量[J]. 原子核物理评论, 2003, 20(4): 235-238. doi: 10.11804/NuclPhysRev.20.04.235
LIU Zhi-yi, LI Cheng-bo, WANG Si-guang, ZHOU Jing, MENG Qiu-ying, LU Shao-jun, ZHOU Shu-hua, RONG Chao-fan, YUAN Da-qing. High Precision Measurement of Half-life of 7Be[J]. Nuclear Physics Review, 2003, 20(4): 235-238. doi: 10.11804/NuclPhysRev.20.04.235
Citation: LIU Zhi-yi, LI Cheng-bo, WANG Si-guang, ZHOU Jing, MENG Qiu-ying, LU Shao-jun, ZHOU Shu-hua, RONG Chao-fan, YUAN Da-qing. High Precision Measurement of Half-life of 7Be[J]. Nuclear Physics Review, 2003, 20(4): 235-238. doi: 10.11804/NuclPhysRev.20.04.235

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