Precise Measurement of the Gamma-ray Emission Probabilities for ^<116m>In with Half-life of 54. 15 min
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The γ-ray emission probabilities for <SUP>116m</SUP>In with half-life of 54.15min have been measured by a 4πβ(pc)-γ(HPGe) coincidence apparatus using a live-timed two-dimensional data acquisition system. Eleven γ-ray peaks of 116In were recognised and the uncertainties of the measured emission probabilities for principal γ-rays were found to be less than 1%. On the other hand, the relative intensities for 18 energy γ-rays were determined with improved uncertainties by an ordinary γ-ray spectrometer. The decay parameters were determined with uncertainties of approximately 1% using these values and the evaluated values of weak γ-ray intensities and the internal conversion coefficients.
- Journal of Nuclear Science and Technology
Journal of Nuclear Science and Technology 32(11), 1090-1097, 1995-11-25
Atomic Energy Society of Japan