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Citation

Basu A, Singh AK, Ragnarsson I, Carlsson BG, Kardan A, Hagemann GB, Sletten G, Herskind B, Hübel H, Chmel S, Wilson AN, Rogers J, Janssens RVF, Carpenter MP & Khoo TL (2021) Highly deformed band structures due to core excitations in 123Xe. Physical Review C, 103 (1), Art. No.: 014301. https://doi.org/10.1103/PhysRevC.103.014301

Abstract
High-spin states in 123 Xe were populated in the 80 Se(48 Ca, 5n) 123 Xe reaction at a beam energy of 207 MeV. Gamma-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 excita-tions 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 ? .

Keywords
numbers: Keywords: Nuclear reaction: 80 Se( 48 Ca,5n) 123 Xe; E= 207 MeV; Measured γγ-coincidences; Eγ; Iγ; R θ ratios; 123 Xe deduced levels; spin and parity; cranked Nilsson-Strutinsky and cranked Nilsson-Strutinsky- Bogoliubov models calculation * Present address : Fraunhofer INT,

Notes
Additional co-authors: F. G. Kondev, T. Lauritsen, S. Zhu, A. Korichi, P. Fallon, B. M. Nyakó, and J. Timár

Journal
Physical Review C: Volume 103, Issue 1

• 123Xe-accepted