Der β-Zerfall des208Tl |
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Authors: | Hermann Ostertag Karl Heinz Lauterjung |
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Institution: | 1. Institut für Kernphysik der Universit?t zu K?ln, Deutschland
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Abstract: | An iron-free intermediate-imageβ-ray spectrometer was used to investigate theβ-decay of208T1 in coincidence with the 2.615 MeVγ-ray of208Pb. Fourβ-groups were found, three of which were previously known. The fourth group has an endpoint energy of 0.64±0.03 MeV and an intensity of (4.5±1.5)%. It is supposed that this transition is still complex and feeds a group of levels around the known 4.3 MeV level of208Pb. Noβ-ray of maximum energy 1.032 MeV to the 3.961 MeV level could be found. |
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