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  Dorsch, T.; Bohlen, H.G.; von Oertzen, W.; Krücken, R.; Faestermann, Th.; Mahgoub, M.; Kokalova, Tz.; Wheldon, C.; Milin, M.; Wirth, H.; Hertenberger, R.: Cluster structures of ¹⁸O and ²⁰O up to 20 MeV excitation energy from the (⁷Li,p)-reaction. Journal of Physics: Conference Series 111 (2008), p. 012039/1-5

10.1088/1742-6596/111/1/012039

Abstract:
We studied the band structure of ¹⁸O and ²⁰O using the (⁷Li,p)-reaction at an incident energy of 44 MeV on ¹²C and ¹⁴C targets. Spectra have been measured from the ground state up to 20 MeV excitation energy. We found 27 and 38 new states for ¹⁸O and ²⁰O, respectively. The even-parity bands have been analysed up to now, i.e., some bands were extended by further members. The 0⁺ band head of the molecular band in ¹⁸O at 7.796(5) MeV was identified for the first time.