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Proton-hole and core-excited states in the semi-magic nucleus 131In82

Abstract : The β decay of the N = 83 nucleus 131Cd has been studied at the RIBF facility at the RIKEN Nishina Center. The main purpose of the study was to identify the position of the 1p3/2 and 0f5/2 protonhole states and the energies of core-excited configurations in the semi-magic nucleus 131In. From the radiation emitted following the β decay, a level scheme of 131In was established and the β feeding to each excited state determined. Similarities between the single-particle transitions observed in the β decays of the N = 83 isotones 132In and 131Cd are discussed. Finally the excitation energies of several core-excited configurations in 131In are compared to QRPA and shell-model calculations.
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Submitted on : Monday, November 28, 2016 - 8:35:59 AM
Last modification on : Thursday, August 6, 2020 - 3:09:26 AM





J. Taprogge, A. Jung, H. Grawe, N. Borzov, S. Nishimura, et al.. Proton-hole and core-excited states in the semi-magic nucleus 131In82. European Physical Journal A, EDP Sciences, 2016, 52 (11), pp.347. ⟨10.1140/epja/i2016-16347-y⟩. ⟨in2p3-01403881⟩



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