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Absolute determination of the spontaneous fission yield of252Cf by radiochemical method

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Abstract

The distribution of mass in the spontaneous fission of252Cf has been investigated by the radiochemical determination of the absolute fission yields for 35 mass chains. A summation of the mass-yield curve gives a summed value of 199.4% which is in very good agreement with the value of 200% in fission. The mean masses of the light and heavy group are located at 106.39 and 141.82, respectively. The average number\(\bar \nu \) of neutron per fisson is 3.79±0.12. The peak-to-valley ratio is larger than 370. The width at one tenth of the maximum of the light and heavy group are 26.7 and 26.8 mass number, respectively. A comparison of previous investigators has resulted in “recommended” yields for 35 mass chains.

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Authors and Affiliations

  1. Institute of Atomic Energy, P. O. Box 275, Beijing, People's Republic of China

    Chen Qingjiang, Su Shuxin, Guo Jinru, Yang Jingxia, Chen Yundong, Li Xueliang, Zhang Hongdi, Lin Fa, Sun Shuying & Zhang Shulan

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  1. Chen Qingjiang
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  2. Su Shuxin
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  3. Guo Jinru
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  4. Yang Jingxia
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  5. Chen Yundong
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  6. Li Xueliang
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  7. Zhang Hongdi
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  8. Lin Fa
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  9. Sun Shuying
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  10. Zhang Shulan
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Qingjiang, C., Shuxin, S., Jinru, G. et al. Absolute determination of the spontaneous fission yield of252Cf by radiochemical method. Journal of Radioanalytical and Nuclear Chemistry, Articles 111, 63–70 (1987). https://doi.org/10.1007/BF02060521

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  • DOI: https://doi.org/10.1007/BF02060521

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