Pulsed-Beam Measurement of the Gyromagnetic Ratio of the 111-keV2+State in Tungsten-184

The gyromagnetic ratio of the 111-keV $2^{+}$ rotational state in tungsten-184 has been measured using the pulsed-beam technique. The precession of the Coulomb-excited nuclei in an external magnetic field has been detected by observing the de-excitation gamma radiation as a function of time. The value $g=0.275\mathrm{}\pm 0.025$ was found. The timing techniques which make possible an evaluation of the effect of target perturbations on the measurement are discussed. The mean life of the state was measured to be $\tau =(1.85\mathrm{}\pm 0.03)\times {10}^{-9\mathrm{}}$ sec, which is in agreement with other measurements.