The change of sign of E2 and M1 matrix elements,and of δ-values of166Er at high spins |
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Authors: | Krishna Kumar |
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Affiliation: | (1) Department of Physics, Tennessee Technological University, 38505-5051 Cookeville, TN, USA |
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Abstract: | Calculations of the Dynamic Deformation Model for the E2/M1 mixing ratios for ψ-band to ground-band transitions in166Er have been extended to higher spins (up to I=20). Previous comparisons with the experimental values and with the IBA-1 predictions, available at present up to spins 8 only, are also included for the sake of completeness. Additional comparison with the Frankfurt Model is also given. While all three models give reasonable magnitudes of the mixing ratios, only the DDM gives the sign changes at the correct spin values. Predictions are presented for additional sign changes of the mixing ratios, as well as those of the E2 and the M1 transition moments. |
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