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Extended investigation of superdeformed bands in 151,152Tb nuclei

Robin, J., Byrski, Th., Duchêne, G., Beck, F. A., Curien, D., Dubray, N., Dudek, J., Góźdź, A., Odahara, A., Schunck, N. , Adimi, N., Appelbe, D. E., Bednarczyk, P., Bracco, A., Cederwall, B., Courtin, S., Cullen, D. M., Dorvaux, O., Ertück, S., de France, G., Gall, B., Joshi, P., King, S. L., Korichi, A., Lagergren, K., Lo Bianco, G., Leoni, S., Lopez-Martens, A., Lunardi, S., Million, B., Nourredine, A., Pachoud, E., Paul, E. S., Petrache, C., Piqueras, I., Redon, N., Saltarelli, A., Simpson, J., Stezowski, O., Venturelli, R., Vivien, J. P. and Zuber, K. (2008) Extended investigation of superdeformed bands in 151,152Tb nuclei Physical Review C, 77 (014308).


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A detailed study of known and new SD bands in Tb isotopes has been performed with the use of the EUROBALL IV gamma-ray array. The high-statistics data set has allowed for the extension of known SD bands at low and high spins by new gamma-ray transitions. These transitions, as it turns out, correspond to the rotational frequencies where the principal superdeformed gaps (Z=66,N=86) close giving rise to up- or down-bending mechanisms. This enables to attribute the underlying theoretical configurations with much higher confidence as compared to the previous identifications. Five new SD bands have been discovered, three of them assigned to the 152Tb and the two others to the 151Tb nuclei. Nuclear mean-field calculations have been used to interpret the structure of known SD bands as well as of the new ones in terms of nucleonic configurations.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
Robin, J.
Byrski, Th.
Duchêne, G.
Beck, F. A.
Curien, D.
Dubray, N.
Dudek, J.
Góźdź, A.
Odahara, A.
Schunck, N.
Adimi, N.
Appelbe, D. E.
Bednarczyk, P.
Bracco, A.
Cederwall, B.
Courtin, S.
Cullen, D. M.
Dorvaux, O.
Ertück, S.
de France, G.
Gall, B.
Joshi, P.
King, S. L.
Korichi, A.
Lagergren, K.
Lo Bianco, G.
Leoni, S.
Lopez-Martens, A.
Lunardi, S.
Million, B.
Nourredine, A.
Pachoud, E.
Paul, E. S.
Petrache, C.
Piqueras, I.
Redon, N.
Saltarelli, A.
Simpson, J.
Stezowski, O.
Venturelli, R.
Vivien, J. P.
Zuber, K.
Date : 14 January 2008
DOI : 10.1103/PhysRevC.77.014308
Additional Information : Published in Physical Review C, 77, 014308 (2008). © 2008 The American Physical Society.
Depositing User : Mr Adam Field
Date Deposited : 27 May 2010 14:08
Last Modified : 31 Oct 2017 13:57

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