Pile-up losses

The pile-up losses are corrected by electronic or computational means. Most spectroscopy amplifiers employ a pile-up detection and rejection circuit, which simply blocks further processing of the event and adds the dead time. The aforementioned dead-time correction principles apply. If pile-up events are not rejected, a calibration of the spectrometer for the losses in dependence of the dead time can be used. For more accurate results injection of events from a highly stable pulser provide a measure with the spectral data with the assumption that these events are subject to the same degree of pile-up as the photopeak events. 

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