The impact of the intruder orbitals on the structure of neutron-rich Ag isotopes
- Kim, Y. H.
- Biswas, Sayan
- Rejmund, M.
- Navin, A.
- Lemasson, A.
- Bhattacharyya, S.
- Caamaño Fresco, Manuel
- Clément, E.
- France, G. de
- Jacquot, B.
DOIAbstract
The low-lying high-spin yrast band structure of neutron-rich 113,118–121Ag has been established for the first time using prompt γ-ray spectroscopy of isotopically identified fission fragments produced in the 9Be(238U, fγ) fusion-and transfer-induced fission processes. The newly obtained level energies follow the systematics of the neighboring isotopes. The sequences of levels exhibit an energy inheritance from states in the corresponding Cd core. A striking constancy of a large signature splitting in odd-AAg throughout the long chain of isotopes with 50 <N<82and a signature inversion in even-AAg isotopes, which are indications of triaxiality, were evidenced. These observed features were reproduced by large-scale shell-model calculations wit...
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