STATION FOR IDENTIFICATION AND MEASUREMENT, IN REAL TIME, OF AMBIENT GAMMA RADIATION BY MEANS OF SPECTROMETRY WITH TWO FLASHING CRYSTALS

摘要

Station for measuring radiation with two lead-screened gamma spectrometry detectors, allowing the identification of gamma-radioactive isotopes in the environment and real-time quantification of the gamma activity concentration in the case of individual isotopes. A first crystal (1) is covered with lead screening (3) in the upper and lateral part thereof and a second crystal (2) is covered by further lead screening (3) in the lower and lateral part thereof. The dual probe with screening makes it possible to distinguish between radiation originating from the upper or lower part and to prevent interference in the measurement.