Microscopic calculations beyond mean-field with zero-range effective interactions
1 Dipartimento di Fisica, Università degli Studi di Milano, via Celoria 16, I-20133, Milano, Italy
2 INFN, Sezione di Milano, via Celoria 16, I-20133, Milano, Italy
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A completely microscopic formalism has been developed to treat the observable properties of single-particle states (e.g. energies and spectroscopic factors), as well as of collective states (e.g., their energy centroid, their damping width and their gamma decay to the ground state or to low lying states) beyond mean-field. The phonons are calculated within the fully self–consistent random phase approximation (RPA). The particle-vibration coupling (PVC) is accounted for within the framework of the nuclear field theory (NFT) at the lowest contributing order. All the calculations have been performed using the whole effective Skyrme interaction.
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