Nuclear structure of Te isotopes beyond neutron magic number N=82

B. Moon, A. Jungclaus, H. Naïdja, A. Gargano, R. Lozeva, C. B. Moon, A. Odahara, G. S. Simpson, S. Nishimura, F. Browne, P. Doornenbal, G. Gey, J. Keatings, G. Lorusso, Z. Patel, S. Rice, M. Si, L. Sinclair, P. A. Söderström, T. SumikamaJ. Taprogge, H. Watanabe, J. Wu, Z. Y. Xu, A. Yagi, D. S. Ahn, H. Baba, F. L. Bello Garrote, S. Bönig, R. Daido, J. M. Daugas, F. Didierjean, F. Drouet, Y. Fang, N. Fukuda, R. Gernhäuser, B. Hong, E. Ideguchi, S. Ilieva, N. Inabe, T. Ishigaki, T. Isobe, H. S. Jung, D. Kameda, I. Kojouharov, T. Komatsubara, T. Kröll, T. Kubo, N. Kurz, Y. K. Kwon, C. S. Lee, P. Lee, Z. Li, A. Montaner-Pizá, S. Morimoto, K. Moschner, D. Mücher, D. Murai, M. Niikura, H. Nishibata, I. Nishizuka, R. Orlandi, H. Sakurai, H. Schaffner, Y. Shimizu, K. Steiger, H. Suzuki, H. Takeda, K. Tshoo, Zs Vajta, A. Wendt, R. Yokoyama, K. Yoshinaga

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1 Citation (Scopus)

Abstract

Newly observed decay schemes of the nuclei Sb137 and Sb138 are reported. The neutron-rich Sb isotopes were produced by the in-flight fragmentation of a U238 primary beam with an energy of 345 MeV/nucleon. Several new excited states of Te137 with tentatively assigned spin-parities of (5/2-), (9/2-), and (7/2) have been established which play an important role in the evolution of neutron levels beyond N=82. The study of the ß decay of Sb138 led to a considerable extension of the level scheme of Te138 including the identification of several nonyrast states. The structure of Te137 and Te138 is discussed on the basis of large-scale shell-model calculations performed using two different effective interactions.

Original languageEnglish
Article number034320
JournalPhysical Review C
Volume103
Issue number3
DOIs
Publication statusPublished - 2021 Mar

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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