Der Zerfall des Tb158m |
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Authors: | W -D Schmidt-Ott F Smend A Flammersfeld |
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Institution: | 1. Zweiten Physikalischen Institut der Universit?t G?ttingen, Germany
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Abstract: | Tb158m was produced from Tb159 by (n, 2n) reaction and investigated using scintillation spectrometers. The following results were obtained: half-life\(T_{\tfrac{1}{2}} = (10.5 \pm 0.2)\) sec; energy of the isomeric transitionE γ =(109.9±1.4) keV; conversion coefficients α K =56±3; α L +α M +?=50±8; αtotal=106±10;K/L-ratioK/L=1.3±0.3, yielding the multipole order of the isomeric transition to beM3. Upper limits for the direct beta transitions from the isomeric state to the ground states of the neighbouring even-even nuclei Gd158 and Dy158 are 10?4 and 6·10?3, respectively. |
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