Highly deformed band structures due to core excitations in Xe 123

Anwesha Basu, A. K. Singh, I. Ragnarsson, B. G. Carlsson, A. Kardan, G. B. Hagemann, G. Sletten, B. Herskind, H. Hübel, S. Chmel, A. N. Wilson, J. Rogers, R. V.F. Janssens, M. P. Carpenter, T. L. Khoo, F. G. Kondev, T. Lauritsen, S. Zhu, A. Korichi, P. FallonB. M. Nyakó, J. Timár

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    3 Citations (Scopus)

    Abstract

    High-spin states in Xe123 were populated in the Se80(Ca48, 5n)Xe123 reaction at a beam energy of 207 MeV. γ-ray coincidence events were recorded with the Gammasphere spectrometer. Four new high-spin bands have been discovered in this nucleus. The bands are compared with those calculated within the framework of cranked Nilsson-Strutinsky and cranked Nilsson-Strutinsky-Bogoliubov models. It is concluded that the configurations of the bands involve two-proton excitations across the Z=50 as well as excitation of neutrons across the N=82 shell gaps resulting in a large deformation, 2≈0.30 and γ≈5°C.

    Original languageEnglish
    Article number014301
    JournalPhysical Review C
    Volume103
    Issue number1
    DOIs
    Publication statusPublished - 4 Jan 2021

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