New isomers in the full seniority scheme of neutron-rich lead isotopes: The role of effective three-body forces

A. Gottardo, J. J. Valiente-Dobón, G. Benzoni, R. Nicolini, A. Gadea, S. Lunardi, P. Boutachkov, A. M. Bruce, M. Górska, J. Grebosz, S. Pietri, Zs Podolyák, M. Pfützner, P. H. Regan, H. Weick, J. Alcántara Núñez, A. Algora, N. Al-Dahan, G. De Angelis, Y. AyyadN. Alkhomashi, P. R.P. Allegro, D. Bazzacco, J. Benlliure, M. Bowry, A. Bracco, M. Bunce, F. Camera, E. Casarejos, M. L. Cortes, F. C.L. Crespi, A. Corsi, A. M. Denis Bacelar, A. Y. Deo, C. Domingo-Pardo, M. Doncel, Zs Dombradi, T. Engert, K. Eppinger, G. F. Farrelly, F. Farinon, E. Farnea, H. Geissel, J. Gerl, N. Goel, E. Gregor, T. Habermann, R. Hoischen, R. Janik, S. Klupp, I. Kojouharov, N. Kurz, S. M. Lenzi, S. Leoni, S. Mandal, R. Menegazzo, D. Mengoni, B. Million, A. I. Morales, D. R. Napoli, F. Naqvi, C. Nociforo, A. Prochazka, W. Prokopowicz, F. Recchia, R. V. Ribas, 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, O. Wieland, H. J. Wollersheim, F. Nowacki, E. Maglione, A. P. Zuker

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Abstract

The neutron-rich lead isotopes, up to Pb216, have been studied for the first time, exploiting the fragmentation of a primary uranium beam at the FRS-RISING setup at GSI. The observed isomeric states exhibit electromagnetic transition strengths which deviate from state-of-the-art shell-model calculations. It is shown that their complete description demands the introduction of effective three-body interactions and two-body transition operators in the conventional neutron valence space beyond Pb208.

Original languageEnglish
Article number162502
JournalPhysical review letters
Volume109
Issue number16
DOIs
Publication statusPublished - Oct 16 2012

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Gottardo, A., Valiente-Dobón, J. J., Benzoni, G., Nicolini, R., Gadea, A., Lunardi, S., Boutachkov, P., Bruce, A. M., Górska, M., Grebosz, J., Pietri, S., Podolyák, Z., Pfützner, M., Regan, P. H., Weick, H., Alcántara Núñez, J., Algora, A., Al-Dahan, N., De Angelis, G., ... Zuker, A. P. (2012). New isomers in the full seniority scheme of neutron-rich lead isotopes: The role of effective three-body forces. Physical review letters, 109(16), [162502]. https://doi.org/10.1103/PhysRevLett.109.162502