Abstract
The gyromagnetic ratios and the half-lifes of the 141 keV and 181 keV states of99Tc have been remeasured. The results,g(141 keV)=+1.280(44);g(181 keV)=+1.446(20) andT 1/2(141 keV)=0.205(4)ns;T 1/2(181 keV)=3.44(3) ns are in only fair agreement with prior published data but more precise. They confirm that both states are members of the ground state core vibration multiplet. The hyperfine field of TcFe has been determined asB 10K hf (TcFe)=30.42 (30)T;B 290K hf (TcFe)=29.47 (29)T
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This work has been supported by the Bundesminister für Forschung und Technologie under contract no 06 BN 601