Nuclear structure "southeast" of 208Pb: Isomeric states in 208Hg anf 209Tl

N. Al-Dahan, Zs. Podolyak, P.H. Regan, M. Górska, H. Grawe, K.H. Maier, J. Gerl, S.B. Pietri, H.J. Wollersheim, N. Alkhomashi, A.Y. Deo, A.M. Denis-Bacelar, G. Farrelly, S.J. Steer, Alison Bruce, P. Boutachkov, C. Domingo-Pardo, A. Algora, J. Benlliure, A. BraccoE. Calore, E. Caserejos, I.J. Cullen, P. Detistov, Zs. Dombrádi, M. Doncel, F. Farinon, W. Gelletly, H. Geissel, N. Goel, J. Grebosz, R. Hoischen, I. Kojouharov, N. Kurz, S. Lalkovski, S. Leoni, F. Molina, D. Montanari, A.I. Morales, A. Musumarra, D.R. Napoli, R. Nicolini, C. Nociforo, A. Prochazka, W. Prokopowicz, B. Rubio, D. Rudolph, H. Schaffner, P. Strmen, I. Szarka

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Abstract

The nuclear structure of neutron-rich N>126 nuclei has been investigated following their production via relativistic projectile fragmentation of a EIA=1 GeV 238U beam. Metastable states in the N=128 isotones 208Hg and 209Tl have been identified. Delayed γ-ray transitions are interpreted as arising from the decay of Iπ=(8+) and 17/2+) isomers respectively. The data allow for the so far most comprehensive verification of the shell-model approach in the region determined by magic numbers Z<82 and N>126
Original languageEnglish
JournalPhysical Review C
Volume80
Issue number6
DOIs
Publication statusPublished - Dec 2009

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    Al-Dahan, N., Podolyak, Z., Regan, P. H., Górska, M., Grawe, H., Maier, K. H., Gerl, J., Pietri, S. B., Wollersheim, H. J., Alkhomashi, N., Deo, A. Y., Denis-Bacelar, A. M., Farrelly, G., Steer, S. J., Bruce, A., Boutachkov, P., Domingo-Pardo, C., Algora, A., Benlliure, J., ... Szarka, I. (2009). Nuclear structure "southeast" of 208Pb: Isomeric states in 208Hg anf 209Tl. Physical Review C, 80(6). https://doi.org/10.1103/PhysRevC.80.061302