Measurement of the Magnetic Moment of the First Excited State in 93Sr Using on-line TDPAC technique

The g-factor of the first excited state of 93Sr (E = 213 keV, T1/2 4.6 ns) was measured by an on-line TDPAC technique with use of the strong hyperfine field in Fe metal. The Larmor frequency ωL = (2.60 ± 0.15) x 108 rad/s was obtained. The g-factor is derived as g = -0.227 ± 0.013 from g = -hωL/BhfμN. If the spin of the first excited state of 93Sr is assumed to be 3/2, the g-factor is predicted by a simple core-excitation model as g = -0.22, which is in good agreement with the present experimental result.