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A new neutron-deficient isotope, 235Am

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Zeitschrift für Physik A Hadrons and nuclei

Abstract

The new transuranium neutron-deficient isotope 235Am was produced by bombarding of 238Pu with 35-MeV protons beam via the (p,4n) reaction. The reaction products were transported by a helium-jet system. A rapid radiochemical method was employed for separating the americium isotopes from the complex products. From the observed Kx-rays of Np, γ-ray of 235Pu and x-γ coincidence measurements, the new neutron-deficient isotope 235Am with a half-life 15±5min was definitely identified for the first time.

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Authors and Affiliations

  1. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, 730000, People’s Republic of China

    J. Guo, Z. Gan, H. Liu, W. Yang, L. Shi, W. Mu, T. Guo, K. Fang, S. Shen, S. Yuan, X. Zhang, Z. Qin, R. Ma & J. Zhong

  2. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100039, People’s Republic of China

    S. Wang, D. Kong & J. Qiao

Authors
  1. J. Guo
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  2. Z. Gan
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  3. H. Liu
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  4. W. Yang
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  5. L. Shi
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  6. W. Mu
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  7. T. Guo
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  8. K. Fang
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  9. S. Shen
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  10. S. Yuan
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  11. X. Zhang
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  12. Z. Qin
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  13. R. Ma
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  14. J. Zhong
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  15. S. Wang
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  16. D. Kong
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  17. J. Qiao
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Corresponding author

Correspondence to J. Guo.

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Cite this article

Guo, J., Gan, Z., Liu, H. et al. A new neutron-deficient isotope, 235Am. Zeitschrift für Physik A 355, 111–112 (1996). https://doi.org/10.1007/s002180050086

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  • DOI: https://doi.org/10.1007/s002180050086

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