System for the processing of pulses resulting from the interaction of a gamma particle with a cdte radiation detector

摘要

The invention relates to a device for the processing of information coming from the interaction of a gamma particle with a detector (1) of cdte radiation, comprising: & br / - a charge preamplifier (3) able to convert these information in analog pulses; & br / - of the electronic measuring means (4) having an amplitude circuit (10) for the acquisition of the amplitude of the pulse giving the time of initiation of the measurement of the pulse rise time, and a circuit of time (18) providing a detection of the end of the pulse rise time, these two circuits being coupled to ensure their synchronization and the determination of the pulse rise time; and & br / - the software and the radioactive sources providing: & br / . a calibration of the response of the detector as a function of the rise time; & br / . a modeling of the charge losses of the detector; and & br / . a correction of the charge losses of the detector as a function of the rise time delivered by the measuring means.