Rare-earth loaded liquid scintillator (for LENS experiment)
I. R. Barabanov, V. I. Beresnev, V. N. Kornoukhov, E. A. Yanovich, G. T. Zatsepin, N. A. Danilov, G. V. Korpusov, G. V. Kostikova, Y. S. Krylov, V. V. Yakshin
Abstract
Rare-earth (Yb/Gd) complexes with neutral organophosphorus ligands are briefly discussed for their application in liquid scintillation technique. To evaluate the principle feasibility of a high rare-earth loaded scintillator, the ytterbium chloride complexes with tri-isoamylphosphine oxides were synthesized. Relative scintillation efficiency (RSE) for two Yb concentrations (78 and 88 g/L) was measured by means of the internal conversion electron exitation from Cs-137. The results obtained were 50 and 40% respectively.
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