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

Gottardo, A.; Valiente-Dobon, J.J.; Weick, H.; Benlliure, J.; Farinon, F.; Geissel, H.; Napoli, D; Nociforo, C.; Prochazka, A.; Kurz, N.; Reed, Matthew; Domingo-Pardo, C


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...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.109.162502


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