Abstract
Excited states of 83Kr, populated in the 76Ge(11B, 3npγ) reaction at a beam energy of 50 MeV, have been studied. The ΔI = 1 band, built upon the 2,510.0 keV state, has been observed up to 5,639.4 keV with spin (27/2 − ). Mean lifetimes have been measured up to spin 23/2 − in ΔI = 1 band using the Doppler shift attenuation method. The B(M1) rates derived from the measured lifetimes decrease smoothly with spin indicating that the angular momentum belonging to this band are generated by the shears mechanism.
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