| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1835980 | Nuclear Physics A | 2012 | 11 Pages |
A new microscopic method has been developed in the framework of the Quasiparticle-Phonon Nuclear Model (QPNM) in order to investigate spin polarization effects on the magnetic properties such as magnetic moment, intrinsic magnetic moment and effective gsgs factor of the ground state of odd-mass 157–167Er isotopes. The calculations were performed using both Tamm–Dancoff Approximation (TDA) and Quasiparticle Random-Phase Approximation (QRPA). Reasonably good agreement has been obtained between the QRPA results and the relevant experimental data. Furthermore the variation of the intrinsic magnetic moment gKgK values with the mass number A exhibits similar behavior for both theoretical and experimental results. From the compression of the calculated intrinsic magnetic moment values with the experimental data the spin–spin interaction parameter has been found as χ=(30/A)MeV for odd-mass 157–167Er isotopes. Our results clarify the possibility of using this new method to describe the magnetic properties of odd-mass deformed nuclei.
► We have utilized QPNM to investigate magnetic properties of odd-mass Er isotopes for the first time. ► From calculations, it is obtained that the spin–spin interaction leads to polarization effect. ► The spin polarization causes to renormalization of single-particle spin matrix elements. ► The agreement between our results and relevant experimental data clarify the possibility of using QPNM to describe the magnetic properties of odd-mass deformed nuclei.
