Determination of the number of atoms of the long-lived nuclide 126Sn by γ-ray spectrometry

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SHEN Hong-Tao, JIANG Shan, HE Ming, DONG Ke-Jun, LI Chao-Li, WANG Xiang-Gao, HE Guo-Zhu, GONG Jie, LU Li-Yan, LI Shi-Zhuo, ZHANG Da-Wei, SHI Guo-Zhu, HUANG Chun-Tang, WU Shao-Lei and WU Shao-Yong. Determination of the number of atoms of the long-lived nuclide 126Sn by γ-ray spectrometry[J]. Chinese Physics C, 2010, 34(1): 143-147. doi: 10.1088/1674-1137/34/1/027
SHEN Hong-Tao, JIANG Shan, HE Ming, DONG Ke-Jun, LI Chao-Li, WANG Xiang-Gao, HE Guo-Zhu, GONG Jie, LU Li-Yan, LI Shi-Zhuo, ZHANG Da-Wei, SHI Guo-Zhu, HUANG Chun-Tang, WU Shao-Lei and WU Shao-Yong. Determination of the number of atoms of the long-lived nuclide 126Sn by γ-ray spectrometry[J]. Chinese Physics C, 2010, 34(1): 143-147.  doi: 10.1088/1674-1137/34/1/027 shu
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Received: 2009-01-04
Revised: 2009-05-19
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Determination of the number of atoms of the long-lived nuclide 126Sn by γ-ray spectrometry

    Corresponding author: SHEN Hong-Tao,

Abstract: 

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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