| Determination of the number of atoms of the long-lived nuclide ~(126)Sn by γ-ray spectrometry |
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| 作者单位： | SHEN Hong-Tao,IANG Shan,HE Ming,DONG Ke-Jun,LI Chao-Li,WANG Xiang-Gao,HE Guo-Zhu,GONG Jie,LU Li-Yan,WU Snao-Lei,WU Guo-Zhu(Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China);LI Shi-Zhuo,ZHANG Da-Wei,SHI Guo-Zhu,HUANG Chun-Tang(College of Physical Science and Engineering Technology , Guangxi University, Nanning 530004, China) |
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| 摘 要： | By using HPGe γ-ray spectrometry, the activity of the long-lived fission product 126Sn in a SnOB2 sample was measured. The number of 126Sn atoms and the ratio of 126Sn to Sn were calculated based on the half-life value of 2.35×105a and the chemical stoichiometry. The result of the ratio of 126Sn to Sn, (1.033±0.037)×10-8, is consistent with the results measured by the accelerator mass spectrometry (AMS) within uncertainty limits, which confirms our procedures in the measurement of 126Sn by AMS and lays a foundation for the AMS measurement of 126Sn at much lower levels.
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| 关 键 词： | γ-ray spectrometry |
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