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Octupole signatures in 124,125Ba

Abstract : The gamma decay of the nuclei 124,125Ba has been investigated with the EUROBALL array, using the reaction 64Ni+64 Ni at E_{beam} = 255 and 261 MeV. Six new E1 transitions have been found in the nucleus 125Ba, suggesting a significant role of octupole correlations in the origin of its parity doublets. The pi = 3-level of the nucleus 124Ba has been identified for the first time. Its excitation energy is in very good agreement with a prediction based on a microscopic model including octupole interactions.
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http://hal.in2p3.fr/in2p3-00024829
Contributor : Sylvie Flores Connect in order to contact the contributor
Submitted on : Friday, October 7, 2005 - 11:24:10 AM
Last modification on : Sunday, June 26, 2022 - 11:45:19 AM

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P. Mason, G. Benzoni, A. Bracco, F. Camera, B. Million, et al.. Octupole signatures in 124,125Ba. Journal of Physics G: Nuclear and Particle Physics, IOP Publishing, 2005, 31, pp.S1729-S1733. ⟨10.1088/0954-3899/31/10/063⟩. ⟨in2p3-00024829⟩

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