Nuclear structure and beta-decay schemes for Te nuclides beyond N=82
- Moon, B.
- Moon, C.B.
- Soderstrom, 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.
- Baba, H.
- Sakurai, H.
- Daido, R.
- Fang, Y.
- Nishibata, H.
- Patel, Z.
- Rice, S.
- Sinclair, L.
- Wu, J.
- Xu, Z. Y.
- Yokoyama, R.
- Kubo, T.
- Inabe, N.
- Suzuki, H.
- Fukuda, N.
- Kameda, D.
- Takeda, H.
- Ahn, D. S.
- Shimizu, Y.
- Murai, D.
- Garrote, F. L. Bello
- Daugas, J. M.
- Didierjean, F.
- Ideguchi, E.
- Ishigaki, T.
- Mor
DOIAbstract
We study for the first time the internal structure of Te-140 through the beta-delayed gamma-ray spectroscopy of Sb-140. The very neutron-rich Sb-140 nuclei with Z = 51 and N = 89 were produced by the in-flight fission of U-238 beams at the Radioactive Isotope Beam Factory, RIKEN. The half-life and spin-parity of Sb-140 are reported as 173 +/- 12 ms and 3(-), respectively. In addition to the excited states of Te-140 produced by the beta-decay branch, the beta-delayed one-neutron and two-neutron emission branches were also established. By identifying the first 2(+) and 4(+) excited states of Te-140, we found that Te isotopes persist in their vibrator character with E(4(+))/E(2(+)) = 2. We discuss the distinctive features manifest in this regi...
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