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The 10th International Conference on Nucleus-Nucleus collisions (NN2009), Beijing : Chine (2009)
The Study of the N=28 shell closure : a way to probe nuclear forces
O. Sorlin1

The present contribution focuses on few recent experimental achievements related to the study of the N = 28 shell closure south to the doubly magic nucleus 48 20Ca. It is shown that a gradual change from spherical to deformation occurs in the N = 28 isotones from Z = 20 to Z = 14. This feature is ascribed to specific proton-neutron interactions, such as tensor forces, and to the posibility to develop quadrupole correlations between the occupied and valence states.
1 :  GANIL - Grand Accélérateur National d'Ions Lourds
Physique/Physique Nucléaire Expérimentale