Octupole signatures in 124,125Ba

P. Mason, G. Benzoni, A. Bracco, F. Camera, B. Million, O. Wieland, S. Leoni, A. K. Singh, A. Al-Khatib, H. Hübel, P. Bringel, A. Bürger, A. Neusser, G. Schönwasser, G. B. Hagemann, C. R. Hansen, B. Herskind, G. Sletten, A. Algora, Zs DombrádiJ. Gál, G. Kalinka, J. Molnár, B. M. Nyakó, D. Sohler, J. Timár, L. Zolnai, M. Kmiecik, A. Maj, J. Styczen, K. Zuber, F. Azaiez, K. Hauschild, A. Korichi, A. Lopez-Martens, J. Roccaz, S. Siem, F. Hannachi, J. N. Scheurer, P. Bednarczyk, Th Byrski, D. Curien, O. Dorvaux, G. Duchène, B. Gall, F. Khalfallah, I. Piqueras, J. Robin, K. Juhász, S. B. Patel, A. O. Evans, G. Rainovski, C. M. Petrache, D. Petrache, G. La Rana, R. Moro, G. De Angelis, P. Fallon, I. Y. Lee, J. C. Lisle, B. Cederwall, K. Lagergen, R. M. Lieder, E. Podsvirova, W. Gast, H. Jäger, N. Redon, A. Görgen

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The γ decay of the nuclei 124,125Ba has been investigated with the EUROBALL array, using the reaction 64Ni+64Ni at Ebeam ≤ 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 Jπ ≤ 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.

Original languageEnglish
Pages (from-to)S1729-S1733
JournalJournal of Physics G: Nuclear and Particle Physics
Issue number10
Publication statusPublished - Oct 1 2005

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Mason, P., Benzoni, G., Bracco, A., Camera, F., Million, B., Wieland, O., Leoni, S., Singh, A. K., Al-Khatib, A., Hübel, H., Bringel, P., Bürger, A., Neusser, A., Schönwasser, G., Hagemann, G. B., Hansen, C. R., Herskind, B., Sletten, G., Algora, A., ... Görgen, A. (2005). Octupole signatures in 124,125Ba. Journal of Physics G: Nuclear and Particle Physics, 31(10), S1729-S1733. https://doi.org/10.1088/0954-3899/31/10/063