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(EC + β+) decay of 133Sm and 1.1 s isomer of 133Pr

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Abstract.

The very neutron-deficient isotope 133Sm was produced by irradiation of an enriched target of 96Ru with 40Ca and studied by using a helium-jet fast tape transport system in combination with X-γ and γ-γ coincidence measurements. A simple ( EC + β+) decay scheme of 133Sm was proposed for the first time. As a by-product 133Pr was produced simultaneously because of the 98-102Ru content of the ruthenium target. The half-life of a 11/2- low-lying isomeric state in 133Pr was measured to be 1.1±0.2 s.

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Authors and Affiliations

  1. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, PRC, , , , , , CN

    S.-W. Xu, Y.-X. Xie, X.-D. Wang, Z.-K. Li, B. Guo, C.-G. Leng, C.-F. Wang & Y. Yu

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  1. S.-W. Xu
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  2. Y.-X. Xie
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  3. X.-D. Wang
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  4. Z.-K. Li
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  5. B. Guo
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  6. C.-G. Leng
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  7. C.-F. Wang
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  8. Y. Yu
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Received: 22 March 2001 / Accepted: 18 July 2001

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Xu, SW., Xie, YX., Wang, XD. et al. (EC + β+) decay of 133Sm and 1.1 s isomer of 133Pr. Eur Phys J A 11, 277–278 (2001). https://doi.org/10.1007/s100500170065

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  • DOI: https://doi.org/10.1007/s100500170065

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