Abstract
Using the quasiparticle phonon nuclear model (QPNM) and taking into account the spin–spin interaction, the effects of the spin polarization on spin gyromagnetic factors (gs) as well as the intrinsic magnetic moments (gK) of the deformed odd neutron155-165Dy isotopes were studied. The calculated values of gsand gKare in fair agreement with the experiment as well as with other microscopic calculations. Our calculations indicated that because of the core polarization, the gsfactors of the nucleons in the nucleus reduce noticeably from its free nucleon value and the spin–spin interactions play an important role in the explanation of the quenching of the gsfactors. A very good reproduction of the phenomenological quenching of gsfactor from its free values [Formula: see text] is obtained for155-165Dy .
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