Abstract
The properties of higher isospin states in doubly even s-d shell nuclei are studied in the projected Hartree-Fock-Bogoliubov (HB) model by treating the ground states of neighbouring nuclei as their analogues. In the calculation the realistic yale interaction is used and all the particles are treated alike without assumption of any core. For T = 2 states the calculated excitation energies are compared with the experimental ones. In the case of the experimentally unknown T = 3 and T = 4 states the comparison is made with the prediction of Garvey and Kelson mass formula. In general the agreement is quite satisfactory. The validity of Hartree-Fock (HF) and (HB) models for the description of the ground state bands is discussed.
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