Number projected isovector neutron–proton pairing effect in odd-mass nuclei

محورهای موضوعی : Journal of Theoretical and Applied Physics

Amine Berbiche ¹ , Mohamed Fellah ² , Nassima H. Allal ³

1 - Laboratoire de Physique Théorique, Faculté de Physique, USTHB
2 - Laboratoire de Physique Théorique, Faculté de Physique, USTHB;Centre de Recherche Nucléaire d’Alger, COMENA
3 - Laboratoire de Physique Théorique, Faculté de Physique, USTHB;Centre de Recherche Nucléaire d’Alger, COMENA

تاریخ پذیرش : 1393/03/11 تاریخ انتشار : 1393/03/11

کلید واژه: Neutron–proton pairing, Particle, number projection, Odd, mass nuclei,

چکیده مقاله :

AbstractA formalism which enables one to strictly conserve the number of particles when taking into account the isovector pairing correlations is presented in the case of odd-mass nuclei. With this aim, we had to first establish the expression of the projector for such systems. Expressions of the ground state and its energy have been exhibited. The model has been numerically tested in the framework of a schematic model.