Excited states in Xe-124 were populated in the reaction Se-82(Ca-48, 6n) Xe-124 and gamma-ray coincidence relationships were measured with the Gammasphere spectrometer. Two new bands are observed and several of the previously known bands are extended in the high-as well as in the low-spin region. Two irregular high-spin structures are also added. The irregularities are a fingerprint of a transition from collective to non-collective behaviour. Configuration assignments to the new structures are proposed on the basis of systematics and by comparing experimental properties with calculations within the framework of the cranking model.
Transition to non-collective states at high spin in Xe-124 / A. Al-Khatib, H. Huebel, P. Bringel, C. Engelhardt, A. Neusser-Neffgen, G.B. Hagemann, C.R. Hansen, B. Herskind, G. Sletten, A. Bracco, F. Camera, G. Benzoni, P. Fallon, R.M. Clark, M.P. Carpenter, R.V.F. Janssens, T.L. Khoo, T. Lauritsen, P. Chowdhury, H. Amro, A.K. Singh, R. Bengtsson. - In: THE EUROPEAN PHYSICAL JOURNAL. A, HADRONS AND NUCLEI. - ISSN 1434-6001. - 36:1(2008 Apr), pp. 21-29. [10.1140/epja/i2008-10570-1]
Transition to non-collective states at high spin in Xe-124
A. Bracco;F. Camera;G. Benzoni;
2008
Abstract
Excited states in Xe-124 were populated in the reaction Se-82(Ca-48, 6n) Xe-124 and gamma-ray coincidence relationships were measured with the Gammasphere spectrometer. Two new bands are observed and several of the previously known bands are extended in the high-as well as in the low-spin region. Two irregular high-spin structures are also added. The irregularities are a fingerprint of a transition from collective to non-collective behaviour. Configuration assignments to the new structures are proposed on the basis of systematics and by comparing experimental properties with calculations within the framework of the cranking model.
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