Isomeric decay spectroscopy of the Bi 217 isotope

A. Gottardo*, J. J. Valiente-Dobón, G. Benzoni, S. Lunardi, A. Gadea, A. Algora, N. Al-Dahan, G. De Angelis, Y. Ayyad, D. Bazzacco, J. Benlliure, P. Boutachkov, M. Bowry, A. Bracco, A. M. Bruce, M. Bunce, F. Camera, E. Casarejos, M. L. Cortes, F. C.L. CrespiA. Corsi, A. M. Denis Bacelar, A. Y. Deo, C. Domingo-Pardo, M. Doncel, T. Engert, K. Eppinger, G. F. Farrelly, F. Farinon, E. Farnea, H. Geissel, J. Gerl, N. Goel, M. Górska, J. Grebosz, E. Gregor, T. Habermann, R. Hoischen, R. Janik, P. R. John, S. Klupp, I. Kojouharov, N. Kurz, S. M. Lenzi, S. Leoni, S. Mandal, R. Menegazzo, D. Mengoni, B. Million, V. Modamio, A. I. Morales, D. R. Napoli, F. Naqvi, R. Nicolini, C. Nociforo, M. Pfützner, S. Pietri, Zs Podolyák, A. Prochazka, W. Prokopowicz, F. Recchia, P. H. Regan, M. W. Reed, D. Rudolph, E. Sahin, H. Schaffner, A. Sharma, B. Sitar, D. Siwal, K. Steiger, P. Strmen, T. P.D. Swan, I. Szarka, C. A. Ur, P. M. Walker, H. Weick, O. Wieland, H. J. Wollersheim

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

The structure of the neutron-rich bismuth isotope Bi217 has been studied for the first time. The fragmentation of a primary U238 beam at the FRS-RISING setup at GSI was exploited to perform γ-decay spectroscopy, since μs isomeric states were expected in this nucleus. Gamma rays following the decay of a t1/2=3 μs isomer were observed, allowing one to establish the low-lying structure of Bi217. The level energies and the reduced electric quadrupole transition probability B(E2) from the isomeric state are compared to large-scale shell-model calculations.

Original languageEnglish
Article number034317
JournalPhysical Review C - Nuclear Physics
Volume90
Issue number3
DOIs
Publication statusPublished - 23 Sept 2014
Externally publishedYes

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