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β-Spektrum und Halbwertszeit des Rb87

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Zeitschrift für Physik

Abstract

Theβ-decay of Rb has been studied with a scintillation spectrometer. To avoide source absorption and scattering troubles we used RbJ(T1)- and NaJ(T1)+Rb J-resp. CsJ(Tl)+RbJ-crystals. Theβ-spectrum was measured down to 6 keV and the observed maximumβ-energy was found to be 275±5 keV. The specific activity of natural Rubidium was determined at 740±10 cps per gram and the half life of Rb87 at (5,82±0,1)×1010 years.

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Authors and Affiliations

  1. II. Physikalischen Institut der Universität Heidelberg, Deutschland

    K. Egelkraut & H. Leutz

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  1. K. Egelkraut
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  2. H. Leutz
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Herrn Professor Dr.Otto Haxel danken wir für das dieser Arbeit entgegengebrachte Interesse und für anregende Diskussionen. Das Bundesministerium für Atomkernenergie hat diese Arbeit durch finanzielle Beihilfen und durch Bereitstellung apparativer Mittel in dankenswerter Weise unterstützt.

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Egelkraut, K., Leutz, H. β-Spektrum und Halbwertszeit des Rb87 . Z. Physik 161, 13–19 (1961). https://doi.org/10.1007/BF01341796

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  • DOI: https://doi.org/10.1007/BF01341796

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