Abstract

A composite scintillator is non-toxic and nonflammable solid solution, which contains the grains of organic molecular single crystal introduced into a polymer matrix. Composite scintillators were designed as detectors of fast neutrons and gamma radiation. We present ¿/¿ discrimination properties of four composite scintillators: two of them are based on p-terphenyl and two other-on stilbene. The results obtained with a stilbene single crystal and a liquid scintillator (BC 501A) are shown as a comparison. First conclusion of this work is that composite scintillators can be an attractive offer for the border monitoring.

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