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A new isotope of protactinium:239Pa

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Zeitschrift für Physik A Hadrons and Nuclei

Abstract

A new nuclide239Pa was produced by 50MeV/u18O bombardment of uranium. A radiochemical separation method was employed for preparing sources of239Pa. The protactinium isotope239Pa has been identified for the first time by the results observed from the decay of the239Pa and its daughter239U. The half-life of239Pa has been determined to be 106 ±30min.

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Authors and Affiliations

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

    S. Yuan, W. Yang, W. Mou, X. Zhang, Z. Li, X. Yu, J. Gu, Y. Guo, Z. Gan, H. Liu & J. Guo

Authors
  1. S. Yuan
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  2. W. Yang
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  3. W. Mou
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  4. X. Zhang
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  5. Z. Li
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  6. X. Yu
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  7. J. Gu
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  8. Y. Guo
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  9. Z. Gan
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  10. H. Liu
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  11. J. Guo
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Additional information

This work was Supported by National Natural Science Foundation of China and Chinese Academy of Sciences.

The authors are grateful to the accelerator staffs of HIRFL for their efficient co-operation during the experiments.

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Yuan, S., Yang, W., Mou, W. et al. A new isotope of protactinium:239Pa. Z. Physik A - Hadrons and Nuclei 352, 235–236 (1995). https://doi.org/10.1007/BF01289491

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  • DOI: https://doi.org/10.1007/BF01289491

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