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Physical Review C 79 (2009) 014310-6
A new effective interaction for $0\hbar\omega$ shell model calculations in the sdpf valence space
F. Nowacki1, A. Poves2

The neutron rich isotopes with Z<20, in particular those with neutron numbers around N=28,have been at the focus of a lot experimental and theoretical scrutiny during the last few years.Shell model calculations using the effective interaction SDPF-NR, were able to predictor to explain most of the properties featured by these nuclei. Prominent among them is the disappearance of the N=28 shell closure for Z<=16. We have incorporated to SDPF-NR some modifications, either on purely theoretical grounds or guided by new experimental information. The proposed interaction, SDPF-U, contains USD as its sd-shell part and KB3G as its pf-shell-part. Its range of applicability is enlarged and its reliability enhanced with respect to the earlier version.
1 :  DRS-IPHC - Département Recherches Subatomiques
2 :  Departamento de FisicaTeorica e IFT-UAM/CSIC
Physique/Physique Nucléaire Théorique
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