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Paper Detail

Paper:	SPTM-P9.1
Session:	Signal Restoration, Reconstruction and Enhancement
Time:	Thursday, May 18, 14:00 - 16:00
Presentation:	Poster
Topic:	Signal Processing Theory and Methods: Signal Restoration, Reconstruction, and Enhancement
Title:	ENERGY SPECTRUM RECONSTRUCTION FOR HPGE DETECTORS USING ANALYTICAL PILE-UP CORRECTION
Authors:	Thomas Trigano, François Roueff, Eric Moulines, ENST Paris, France; Thierry Montagu, Antoine Souloumiac, Commissariat à l'Energie Atomique (CEA), France
Abstract:	We consider the problem of pile-ups occurring in Gamma spectrometry signals for HPGe detectors. The temporal signal is transformed in a sequence of busy and idle periods, each busy period being characterized by its duration and its associated energy. We present an estimator to correct the pile-up phenomenon, based on an analytical formula. Applications on simulations and real spectrometrical signals are presented, which show good adequation between what we wish to retrieve and the estimation.