Magnetic*#x2014; Rotational Bands in Pb Isotopes
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Regular sequences of strongly enhanced M1 γ-ray transitions have been reported in recent years in many near-spherical neutron-deficient Pb isotopes. They are not caused by quantal rotation of deformed charge distributions but by rotation of anisotropic arrangements of nucleonic currents. This new mode of nuclear excitation has been called Magnetic Rotation. The experimental properties of the magnetic-rotational bands are discussed. Evidence for their configuration and the angular momentum coupling scheme with its development along the bands due to the Shears Effect is presented.
KeywordsRotational Band Regular Sequence Shear Effect Magnetic Rotation Band Head
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