Standardization of 169Yb and γ-ray emission probability data

Within the framework of EUROMET project No. 410, standardization of a 169Yb solution has been carried out and the gamma-ray emission probabilities at its decay have been measured. 169Yb activity was measured by the 4πβ–γ-coincidence extrapolation method. Special attention was paid to the measurement...

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Published in:Applied radiation and isotopes 2000-03, Vol.52 (3), p.499-504
Main Authors: Sazonova, T.E, Sepman, S.V, Karmalitsyn, N.I, Zanevsky, A.V, Shilnikova, T.I, Gabitov, R.M
Format: Article
Language:English
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Summary:Within the framework of EUROMET project No. 410, standardization of a 169Yb solution has been carried out and the gamma-ray emission probabilities at its decay have been measured. 169Yb activity was measured by the 4πβ–γ-coincidence extrapolation method. Special attention was paid to the measurement conditions associated with the existence of 316 keV metastable level of 169Tm ( T≈0.66 μs ). The 169Yb gamma-ray emission probabilities have been determined from the results of absolute activity measurements and data obtained using a coaxial Ge(Li) spectrometer.
ISSN:0969-8043
1872-9800
DOI:10.1016/S0969-8043(99)00201-8