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Highly deformed band structures due to core excitations in ¹²³Xe

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

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Physical Review. C 103 (2021), Nr.1, Art. 014301, 14 S.
ISSN: 0556-2813
Englisch
Zeitschriftenaufsatz
Fraunhofer INT ()

Abstract
High-spin states in ¹²³Xe were populated in the ⁸⁰Se(⁴⁸Ca, 5n)¹²³Xe 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, ε₂≈0.30 and γ≈5°.

: http://publica.fraunhofer.de/dokumente/N-624613.html