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Yrast bands in N = 91 isotones

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Abstract:

The in-beam spectroscopy on N = 91 isotones has been carried out using the 12C + 150Nd reaction. The νi 13/2 and νh 11/2 bands of 153Sm have been extended up to 33/2+ and 31/2-, respectively. Two new γ-rays have been located on the top of the unfavored band with νi 13/2 configuration in 157Dy. Two identical relationships have been established in the low-spin region of the yrast νi 13/2 configuration between 153Sm and 155Gd, and between unfavored bands of 155Gd and 157Dy. Here all these nuclei have the same neutron number N = 91.

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Authors and Affiliations

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

    T. Hayakawa, M. Oshima, Y. Hatsukawa, J. Katakura, H. Iimura, M. Matsuda, N. Shinohara & Y. Toh

  2. Kyushu University, Hakozaki, Fukuoka 812-8581, Japan, , , , , , JP

    S. Mitarai

  3. University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan, , , , , , JP

    T. Shizuma

  4. Chiba Institute of Technology, Narashino, Chiba 275-0023, Japan, , , , , , JP

    M. Sugawara

  5. Chiba University, Inage-ku, Chiba 263-8522, Japan, , , , , , JP

    H. Kusakari

Authors
  1. T. Hayakawa
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  2. M. Oshima
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  3. Y. Hatsukawa
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  4. J. Katakura
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  5. H. Iimura
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  6. M. Matsuda
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  7. N. Shinohara
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  8. Y. Toh
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  9. S. Mitarai
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  10. T. Shizuma
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  11. M. Sugawara
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  12. H. Kusakari
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Received: 28 June 2000 / Accepted: 20 October 2000

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Hayakawa, T., Oshima, M., Hatsukawa, Y. et al. Yrast bands in N = 91 isotones. Eur Phys J A 9, 153–156 (2000). https://doi.org/10.1007/s100500070030

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  • DOI: https://doi.org/10.1007/s100500070030

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