Measurement of the absolute gamma-ray emission intensities from the decay of $^{103}$Pd - Archive ouverte HAL Access content directly
Journal Articles Applied Radiation and Isotopes Year : 2021

Measurement of the absolute gamma-ray emission intensities from the decay of $^{103}$Pd

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Abstract

Palladium-103 decays through electron capture to excited levels of $^{103}$Rh, and especially to the 39.748-keV metastable state. A high activity palladium chloride solution was standardized by liquid scintillation, using the Triple-to-Double Coincidence Ratio method. The absolute photon emission intensities were determined by gamma-ray spectrometry using point sources prepared with the standard solution. Different detectors and measuring conditions were used to cross-reference the results. The most intense photon emission intensities are derived with about 1% relative combined standard uncertainty.
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cea-03044305 , version 1 (08-12-2020)

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Jonathan Riffaud, Marie-Christine Lépy, Philippe Cassette, Margot Corbel, Mark Kellett, et al.. Measurement of the absolute gamma-ray emission intensities from the decay of $^{103}$Pd. Applied Radiation and Isotopes, 2021, 167, pp.109298. ⟨10.1016/j.apradiso.2020.109298⟩. ⟨cea-03044305⟩
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