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(EC +β+) decay study of 128Ce

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Abstract:

The (EC+β+) decay of 128Ce was reinvestigated in the 116Sn (16O, 4n) reaction by using a helium-jet tape transport system. The close half-lives of 128Ce and 129Ce made it difficult to separate the decay γ rays of both nuclei apart. Instead of the excitation-function measurements, both reactions of 16O+116Sn and 16O+117Sn were carried out, and from their comparisons, the decay γ rays of 128Ce were clearly told from those of 129Ce. Based on X-γ and γ-γ coincidence measurements, a detailed (EC +β+) decay scheme of 128Ce has been proposed, which revises the previous one.

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Authors and Affiliations

  1. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, P.R. China, , , , , , CN

    Li Zhankui, Xu Shuwei, Xie Yuanxiang, Zhang Tianmei, Ma Ruichang, Guo Yingxiang, Ge Yuanxiu, Wang Chunfang, Guo Bing & Xing Jianping

  2. Department of Modern Physics, Lanzhou University, Lanzhou 730000, P.R. China, , , , , , CN

    Du Jinzhou

Authors
  1. Li Zhankui
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  2. Xu Shuwei
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  3. Xie Yuanxiang
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  4. Zhang Tianmei
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  5. Ma Ruichang
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  6. Du Jinzhou
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  7. Guo Yingxiang
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  8. Ge Yuanxiu
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  9. Wang Chunfang
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  10. Guo Bing
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  11. Xing Jianping
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Additional information

Received: 29 September 1999 / Revised version: 5 November 1999

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Zhankui, L., Shuwei, X., Yuanxiang, X. et al. (EC +β+) decay study of 128Ce. EPJ A 7, 1–5 (2000). https://doi.org/10.1007/s100500050001

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  • DOI: https://doi.org/10.1007/s100500050001

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