E2/M1 Multipole Mixing Ratios of Transitions in Erbium Isotopes

Authors: HARUN REŞİT YAZAR, İHSAN ULUER

Abstract: Erbium isotopes (Z = 64) lie in the transitional region that occurs at the middle of the range of deformed nuclei. \gamma -ray E2/M1 mixing ratios for selected transitions in ^{166-168}Er are calculated in the proton-neutron interacting boson approximation(IBA-2). The results obtained for ^{166 -168}Er are reasonably in good agreement with the previous experimental and teoretical values.

Keywords: IBA-2, Deformation parameter, Quadrupol moment, Mixing ratios

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