Nuclear structure and β -decay schemes for Te nuclides beyond N=82

B. Moon, C. B. Moon, P. A. Söderström, A. Odahara, R. Lozeva, Byungsik Hong, F. Browne, H. S. Jung, P. Lee, C. S. Lee, A. Yagi, C. Yuan, S. Nishimura, P. Doornenbal, G. Lorusso, T. Sumikama, H. Watanabe, I. Kojouharov, T. Isobe, H. BabaH. Sakurai, R. Daido, Y. Fang, H. Nishibata, Z. Patel, S. Rice, L. Sinclair, J. Wu, Z. Y. Xu, R. Yokoyama, T. Kubo, N. Inabe, H. Suzuki, N. Fukuda, D. Kameda, H. Takeda, D. S. Ahn, Y. Shimizu, D. Murai, F. L. Bello Garrote, J. M. Daugas, F. Didierjean, E. Ideguchi, T. Ishigaki, S. Morimoto, M. Niikura, I. Nishizuka, T. Komatsubara, Y. K. Kwon, K. Tshoo

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We study for the first time the internal structure of Te140 through the β-delayed γ-ray spectroscopy of Sb140. The very neutron-rich Sb140 nuclei with Z=51 and N=89 were produced by the in-flight fission of U238 beams at the Radioactive Isotope Beam Factory, RIKEN. The half-life and spin-parity of Sb140 are reported as 173±12 ms and 3-, respectively. In addition to the excited states of Te140 produced by the β-decay branch, the β-delayed one-neutron and two-neutron emission branches were also established. By identifying the first 2+ and 4+ excited states of Te140, we found that Te isotopes persist in their vibrator character with E(4+)/E(2+)=2. We discuss the distinctive features manifest in this region revealed in pairs of isotopes with the same neutron holes and particles with respect to N=82.

Original languageEnglish
Article number044322
JournalPhysical Review C
Issue number4
Publication statusPublished - 2017 Apr 25


ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Moon, B., Moon, C. B., Söderström, P. A., Odahara, A., Lozeva, R., Hong, B., Browne, F., Jung, H. S., Lee, P., Lee, C. S., Yagi, A., Yuan, C., Nishimura, S., Doornenbal, P., Lorusso, G., Sumikama, T., Watanabe, H., Kojouharov, I., Isobe, T., ... Tshoo, K. (2017). Nuclear structure and β -decay schemes for Te nuclides beyond N=82. Physical Review C, 95(4), [044322].