Abstract
A comparatively unsophisticated analytical statistical method is developed for determination of the parameters of the peak of full absorption processing scintillation γ-spectra. The generasl beckground under the photopeak is linearly approximated and an accuracy estimation was done. The method is illustrated with several applciaitons of non-destructive γspectroscopic analysis of 137Cs in soil samples. Concentrations of the order of severals pCi137Cs are determined accurately enough at disturbing influence of the peak of full absorption of RaC(211Bi) and 610 KeV. The control data was processed by means of a “Minsk-22” computer under a convenient programme. The results correspond to those obtained according to the described method at a reliable estimation of accuracy.
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