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Levels in 127La fed by the 127Ce beta-decay

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Abstract.

The low-lying levels in 127La have been studied through the β-decay of 127Ce ( T1/2 = 29s) produced by bombarding a natMo target with a 185-MeV 35Cl beam. Reaction products were on-line mass-separated, and γ-ray singles and γ-γ coincidence measurements were performed. Conversion electrons were also measured and multipolarities of transitions have been derived. The half-life of the 210.9-keV level was determined to be (1.9±0.3)ns by the β-γ delayed coincidence technique. The level scheme obtained has been compared with calculations based on the Nilsson model.

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Authors and Affiliations

  1. Japan Atomic Energy Research Institute, 319-1195, Tokai, Japan

    H. Iimura, M. Asai, S. Ichikawa, J. Katakura, M. Magara, A. Osa, M. Oshima & N. Shinohara

  2. Department of Nuclear Engineering, Nagoya University, 464-8603, Nagoya, Japan

    H. Yamamoto

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  1. H. Iimura
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  2. M. Asai
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  3. S. Ichikawa
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  4. J. Katakura
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  8. N. Shinohara
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Iimura, H., Asai, M., Ichikawa, S. et al. Levels in 127La fed by the 127Ce beta-decay. Eur. Phys. J. A 23, 33–39 (2005). https://doi.org/10.1140/epja/i2004-10067-y

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