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Primary activity standardization of 134Cs

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Abstract

Cesium-134 has been measured by means of a new coincidence counting system which is equipped with a liquid scintillation detector to count β particles and a NaI crystal to detect γ-rays which are emitted simultaneously. In order to validate this new technique, additional measurements were carried out with an established 4πβ–γ-coincidence counting system with a proportional counter in the β channel. The coincidence counting experiments were complemented with measurements in further liquid scintillation counters with two and three photomultiplier tubes. The counting efficiencies for these systems were determined using CIEMAT/NIST efficiency tracing and the triple-to-double coincidence ratio (TDCR) method, respectively.

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Acknowledgements

We wish to thank S. Hennig for sample preparation.

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Authors and Affiliations

  1. Physikalisch-Technische Bundesanstalt (PTB), Bundesallee 100, 38116, Braunschweig, Germany

    Karsten Kossert, Justyna Marganiec-Gałązka & Ole J. Nähle

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  1. Karsten Kossert
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  2. Justyna Marganiec-Gałązka
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  3. Ole J. Nähle
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Correspondence to Karsten Kossert.

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Kossert, K., Marganiec-Gałązka, J. & Nähle, O.J. Primary activity standardization of 134Cs. J Radioanal Nucl Chem 314, 545–553 (2017). https://doi.org/10.1007/s10967-017-5338-3

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  • DOI: https://doi.org/10.1007/s10967-017-5338-3

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