Untersuchung des Iridium-191m-Zerfalls |
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Authors: | Dieter Lange |
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Institution: | 1. II. Physikalischen Institut der Universit?t G?ttingen, Germany
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Abstract: | Theγ-radiation of the nuclear isomer Ir191m (T 1/2=4.5 sec) has been investigated with the aid of a scintillation fast-slow coincidence-spectrometer. Theγ-rays of the 42 keV-transition have been measured for the first time. The conversion coefficient α of this transition was found to be α = 13500 +21100 ?5200 in acceptable agreement with the value taken from the tables ofRose under the assumption of anE3-transition. Thus this assignment proposed earlier by other authors has been confirmed. TheK-conversion coefficient of the 129 keV-transition has been remeasured yielding α K =2.32±0.06. |
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