https://www.selleckchem.com/pr....oducts/idf-11774.htm
The size of a ΔK=0 M1 excitation strength has been determined for the first time in a predominantly axially deformed even-even nucleus. It has been obtained from the observation of a rare K-mixing situation between two close-lying J^π=1^+ states of the nucleus ^164Dy with components characterized by intrinsic projection quantum numbers K=0 and K=1. Nuclear resonance fluorescence induced by quasimonochromatic linearly polarized γ-ray beams provided evidence for K mixing of the 1^+ states at 3159.1(3) and 3173.6(3) keV in excitation ene
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