New isomers in the full seniority scheme of neutron-rich lead isotopes: the role of effective three-body forces.
Phys Rev Lett
; 109(16): 162502, 2012 Oct 19.
Article
em En
| MEDLINE
| ID: mdl-23215071
ABSTRACT
The neutron-rich lead isotopes, up to (216)Pb, 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 (208)Pb.
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01-internacional
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MEDLINE
Idioma:
En
Revista:
Phys Rev Lett
Ano de publicação:
2012
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Article