Abstract
A method for estimating the γ-ray background of a phoswich detector of the “dE + E” type is discussed. The phoswich detector is composed of an outer thin detector and an inner total-absorption detector and is used for β-ray spectrometry. The calculated background of the phoswich detector with an area 40 cm2 inside 5-cm-thick lead shielding is shown to be 0.095 ± 0.019 counts/s. The contribution of the high-energy background to the total level is 77%.
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Arsaev, M.I. and Kladov, A.V., Prib. Tekh. Eksp., 2007, no. 1, p. 112 [Instrum. Exp. Tech. (Engl. Transl.), no. 1, p. 104].
Arsaev, M.I. and Kladov, A.V., Prib. Tekh. Eksp., 2007, no. 1, p. 108 [Instrum. Exp. Tech. (Engl. Transl.), no. 1, p. 100].
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Original Russian Text © A.V. Kladov, 2008, published in Pribory i Tekhnika Eksperimenta, 2008, No. 6, pp. 16–18.