Ab Initio no-core shell model calculations using realistic two- and three-body interactions

P. Navratil , W.E. Ormand , C. Forssen , E. Caurier (1)

1 IReS - Institut de Recherches Subatomiques

There has been significant progress in the ab initio approaches to the structure of light nuclei. One such method is the ab initio no-core shell model (NCSM). Starting from realistic two- and three-nucleon interactions this method can predict low-lying levels in p-shell nuclei. In this contribution, we present a brief overview of the NCSM with examples of recent applications. We highlight our study of the parity inversion in $^{11}$Be, for which calculations were performed in basis spaces up to 9$\hbar\omega$ (dimensions reaching 7$\times10^8$). We also present our latest results for the p-shell nuclei using the Tucson-Melbourne TM′ three-nucleon interaction with several proposed parameter sets.

Domaines: Physique Nucléaire Théorique [nucl-th]

P. Navratil, W.E. Ormand, C. Forssen, E. Caurier. Ab Initio no-core shell model calculations using realistic two- and three-body interactions. 4th International Conference on Exotic Nuclei and Atomic Masses ENAM 2004, Sep 2004, Pine Mountain, United States. pp.481-484, ⟨10.1140/epjad/i2005-06-145-6⟩. ⟨in2p3-00024410⟩