Abstract
The influence of the concentration of neodymium on the light attenuation length in aqueous and organic solutions is measured in a 1-m-long optical cell. The emission spectrum of scintillation crystal NaI(Tl) with a size of 25 × 25 mm irradiated with gamma rays from a Cs-137 source is used as a photon source. The photons are detected with a Hamamatsu R878 photomultiplier. A two-exponent approximation is used to model the light attenuation length in water (Nd 7.5, 15 g/L) and linear alkylbenzene (LAB) (Nd 4.7 g/L). For a Nd concentration in LAB of 4.7 g/L, the light attenuation length amounts to LNd = 1.95 ± 0.14 m.
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Original Russian Text © I.R. Barabanov, L.B. Bezrukov, G.Ya. Novikova, E.A. Yanovich, 2018, published in Pis’ma v Zhurnal Fizika Elementarnykh Chastits i Atomnogo Yadra, 2018.
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Barabanov, I.R., Bezrukov, L.B., Novikova, G.Y. et al. Influence of Neodymium on the Light Attenuation Length in a Liquid Organic Scintillator. Phys. Part. Nuclei Lett. 15, 630–636 (2018). https://doi.org/10.1134/S1547477118060043
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DOI: https://doi.org/10.1134/S1547477118060043