Terminating states in the positive-parity structures of As 67

R. Wadsworth, N. S. Kelsall, D. G. Jenkins, I. Ragnarsson, S. M. Fischer, D. P. Balamuth, P. A. Hausladen, G. C. Ball, M. P. Carpenter, R. V.F. Janssens, T. Lauritsen, C. J. Lister, D. Seweryniak, R. M. Clark, P. Fallon, A. O. Macchiavelli, C. E. Svensson, S. J. Freeman, D. G. Sarantites

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The energy levels and γ-ray decay scheme of the positive-parity states in the Tz=12 nucleus As67 have been studied by using the Ca40(Ar36,2αp)As67 reaction at a beam energy of 145 MeV. Two new band structures have been identified which can be connected to the previously known levels. The results for these bands are compared with configuration-dependent cranked Nilsson-Strutinsky calculations. The good level of agreement between theory and experiment suggests that these structures can be interpreted in terms of configurations that involve three g92 particles and that both possess noncollective terminating states.

Original languageEnglish
Article number024313
JournalPhysical Review C
Issue number2
Publication statusPublished - 21 Aug 2018

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