Shell Evolution towards Ni 78 : Low-Lying States in Cu 77
- Sahin, E.
- Bello Garrote, F.
- Tsunoda, Y.
- Otsuka, T.
- De Angelis, G.
- Görgen, A.
- Niikura, M.
- Nishimura, S.
- Xu, Z.
- Baba, H.
- Browne, F.
- Delattre, M.
- Doornenbal, P.
- Franchoo, S.
- Gey, G.
- Hadynska-Klek, K.
- Isobe, T.
- John, R.
- Jung, H.
- Kojouharov, I.
- Kubo, T.
- Kurz, N.
- Li, Z.
- Lorusso, G.
- Matea, I.
- Matsui, K.
- Mengoni, D.
- Morfouace, P.
- Napoli, R.
- Naqvi, F.
- Nishibata, H.
- Odahara, A.
- Sakurai, H.
- Schaffner, H.
- Söderström, A.
- Sohler, D.
- Stefan, I.G.
- Sumikama, T.
- Suzuki, D.
- Taniuchi, R.
- Taprogge, J.
- Vajta, Z.
- Watanabe, H.
- Werner, V.
- Wu, J.
- Yagi, A.
- Yalcinkaya, M.
- Yoshinaga, K.
DOIAbstract
International audienceThe level structure of the neutron-rich 77Cu nucleus is investigated through β-delayed γ-ray spectroscopy at the Radioactive Isotope Beam Factory of the RIKEN Nishina Center. Ions of 77Ni are produced by in-flight fission, separated and identified in the BigRIPS fragment separator, and implanted in the WAS3ABi silicon detector array, surrounded by Ge cluster detectors of the EURICA array. A large number of excited states in 77Cu are identified for the first time by correlating γ rays with the β decay of 77Ni, and a level scheme is constructed by utilizing their coincidence relationships. The good agreement between large-scale Monte Carlo shell model calculations and experimental results allows for the evaluation of the...
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