Data di Pubblicazione:
2005
Citazione:
Evidence for octupole correlations in Ba-124,Ba-125 / P. Mason, G. Benzoni, A. Bracco, F. Camera, B. Million, O. Wieland, S. Leoni, A. K. Singh, A. Al-Khatib, H. Hubel, P. Bringel, A. Burger, A. Neusser, G. Schonwasser, B. M. Nyako, J. Timar, A. Algora, Z. Dombradi, J. Gal, G. Kalinka, J. Molnar, D. Sohler, L. Zolnai, K. Juhasz, G. B. Hagemann, C. R. Hansen, B. Herskind, G. Sletten, 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, T. Byrski, D. Curien, O. Dorvaux, G. Duchene, B. Gall, F. Khalfallah, I. Piqueras, J. Robin, S. B. Patel, O. A. Evans, G. Rainovski, C. M. Petrache, D. Petrache, G. L. Rana, R. Moro, G. De Angelis, P. Falon, I. Y. Lee, J. C. Lisle, B. Cederwall, K. Lagergen, R. M. Lieder, E. Podsvirova, W. Gast, H. Jager, N. Redon, A. Gorgen. - In: PHYSICAL REVIEW. C, NUCLEAR PHYSICS. - ISSN 0556-2813. - 72:6(2005 Dec), pp. 064315.064315-1-064315.064315-5. [10.1103/PhysRevC.72.064315]
Abstract:
The gamma decay of the nuclei Ba-124,Ba-125 has been investigated by means of the EUROBALL spectrometer, coupled to the DIAMANT array of charged-particle detectors, using the reaction Ni-64 + Ni-64 at E-beam=255 and 261 MeV. In the nucleus Ba-125 six new E1 transitions have been found to link opposite-parity bands currently interpreted as nu d(5/2)(+g(7/2)),nu h(11/2) structures. The previously unknown J(pi) = 3(-) level in the nucleus Ba-124 has also been identified; its excitation energy is accurately reproduced by a microscopic calculation including octupole correlations. Both issues are bolstered by sizable B(E1)/B(E2) ratios.
Tipologia IRIS:
01 - Articolo su periodico
Keywords:
GAMMA-RAY SPECTROSCOPY; HIGH-SPIN STATES; NUCLEI; SPECTROMETER; EUROBALL; DETECTOR; CLOVER; BA-126
Elenco autori:
P. Mason, G. Benzoni, A. Bracco, F. Camera, B. Million, O. Wieland, S. Leoni, A.K. Singh, A. Al Khatib, H. Hubel, P. Bringel, A. Burger, A. Neusser, G. Schonwasser, B.M. Nyako, J. Timar, A. Algora, Z. Dombradi, J. Gal, G. Kalinka, J. Molnar, D. Sohler, L. Zolnai, K. Juhasz, G.B. Hagemann, C.R. Hansen, B. Herskind, G. Sletten, 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, T. Byrski, D. Curien, O. Dorvaux, G. Duchene, B. Gall, F. Khalfallah, I. Piqueras, J. Robin, S.B. Patel, O.A. Evans, G. Rainovski, C.M. Petrache, D. Petrache, G.L. Rana, R. Moro, G. De Angelis, P. Falon, I.Y. Lee, J.C. Lisle, B. Cederwall, K. Lagergen, R.M. Lieder, E. Podsvirova, W. Gast, H. Jager, N. Redon, A. Gorgen
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