Nuclear structure and chemical effects in internal conversion of the 35 keVM1+E2 transition in125Te |
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Authors: | V Brabec M Ry?avý O Dragoun M Fi?er A Kovalík Cs Ujhelyi D Berényi |
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Institution: | 1. Nuclear Physics Institute, Czechoslovak Academy of Sciences, ?e? near Prague, Czechoslovakia 2. Institute of Nuclear Research, Hungarian Academy of Sciences, Debrecen, Hungary
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Abstract: | The relative conversion line intensities of the 35 keV transition in125Te were measured using the 50 cm π√2 iron-yoke magnetic spectrometer. The transition was proved to be ofM1+(8.7±1.5)×10?4 E2 multipolarity, the magnetic component being affected by the nuclear structure with λ=2.4±1.4. The conversion intensity ratio,0/N 1 , was determined to be 0.115+0.005 for both Ag125 I and Cu125 I sources. It is in accordance with previous measurements for the Zn125m Te and Pb125m Te sources and differs from those for the125mTeO2 and Na2H 4 125m TeO6 ones. The conversion coefficients were calculated for 32 configurations of the valence shell of free tellurium atom and ions and were compared with the experimental results. |
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