| Abstract: | The rotation of the angular correlation between theγ-group at about 820 keV and the 80 keV radiation in the decay of Tm168 has been observed in an external magnetic field of 20300 gauss. The result:ω R·τ=0,485±0,051 yields for theg R -factor of the 80 keV state of Er168:g R =+0,25±0,03. The evaluation includes a paramagnetic correction factor of:β=7,26, (B eff=β·B ext). The angular correlation is slightly attenuated by internal fields. For a liquid source of Tm (NO3)3 solved in 3 n HNO3, a measurement of the differential angular correlation as a function of the delay time gave:λ 2=(5,8±2,9)·107sec?1, assumingA 2(t)=A 2(0)·e ?λ 2·t. The half life of the 80 keV state was found to be:T 1/2=(1,92±0,04)·10?9sec in agreement with earlier measurements. |
