New μs isomers in the neutron-rich 210Hg nucleus

A. Gottardo, J.J. Valiente-Dobon, G. Benzoni, A. Gadea, S. Lunardi, P. Boutachkov, Alison Bruce, M. Gorska, J. Grebosz, S. Pietri, Zs. Podolyak, M. Pfutzner, P.H. Regan, H. Weick, J. Alcántara Núñez, A. Algora, N. Al-Dahan, G. de Angelis, Y. Ayyad, N. AlkhomashiP.R.P. Allegro, D. Bazzacco, J. Benlliure, M. Bowry, A. Bracco, M.R. Bunce, F. Camera, E. Casarejos, M.L. Cortes, F.C.L. Crespi, A. Corsi, Ana 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, P.R. John, S. Klupp

Research output: Contribution to journalArticle


Neutron-rich nuclei in the lead region, beyond N=126, have been studied at the FRS-RISING setup at GSI, exploiting the fragmentation of a primary uranium beam. Two isomeric states have been identified in 210Hg: the 8+ isomer expected from the seniority scheme in the νg9/2 shell and a second one at low spin and low excitation energy. The decay strength of the 8+ isomer confirms the need of effective three-body forces in the case of neutron-rich lead isotopes. The other unexpected low-lying isomer has been tentatively assigned as a 3- state, although this is in contrast with theoretical expectations.
Original languageEnglish
Pages (from-to)292-296
Number of pages5
JournalPhysics Letters B
Issue number4-5
Publication statusPublished - 1 Oct 2013

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    Gottardo, A., Valiente-Dobon, J. J., Benzoni, G., Gadea, A., Lunardi, S., Boutachkov, P., Bruce, A., Gorska, M., Grebosz, J., Pietri, S., Podolyak, Z., Pfutzner, M., Regan, P. H., Weick, H., Alcántara Núñez, J., Algora, A., Al-Dahan, N., de Angelis, G., Ayyad, Y., ... Klupp, S. (2013). New μs isomers in the neutron-rich 210Hg nucleus. Physics Letters B, 725(4-5), 292-296.