Abstract
Theβ-ray spectrum of Cs137 has been measured with an iron-free spectrometer. The energy of the soft component was found to beE 0=514±2 keV. The parameterk of the hard-component shape factorC (2)2VA (W)=q 2+kp 2 was determined to bek=0.015±0.004. Theβ intensities amount to 6.5% (hard component) and 93.5% (soft component). TheK conversion coefficient of the isomeric transition was measured to beα K=0.093±0.003, in excellent agreement withSliv's theoretical value.
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Herrn Prof. W.Gentner danken wir herzlich für sein förderndes Interesse und Herrn R.Stäudner für die Überlassung eines Grenzschichtzählers.
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Daniel, H., Schmitt, H. Dasβ-Spektrum des Cs137 . Z. Physik 168, 292–297 (1962). https://doi.org/10.1007/BF01384321
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DOI: https://doi.org/10.1007/BF01384321