Gamma ray tracking arrays like AGATA and GRETA are composed of position sensitive segmented HPGe detectors. In fact the gamma interaction localization with a precision of at least 5 mm is an important step to efficiently perform the tracking. This position information is obtained with the combined use of detector electrode segmentation and Pulse Shape Analysis (PSA). In this work a generalized version of the Recursive Subtraction (RS) algorithm for 3D localization of the interactions is presented (RS-3D). The RS-3D has been applied on simulated and real signals from a 36-fold segmented AGATA asymmetric crystal, using both a calculated and an experimentally extracted signal basis. © 2010 IEEE.
RS algorithm for 3D localization of γ interactions in segmented HPGe detectors : tests with calculated and experimental signal basis / F.C.L. Crespi, V. Vandone, F. Camera, S. Brambilla, B. Million, S. Riboldi, O. Wieland - In: 2010 IEEE Nuclear Science Symposium Conference Record (NSS/MIC)Piscataway : IEEE, 2010. - ISBN 9781424491063. - pp. 908-910 (( convegno IEEE Nuclear Science Symposium, Medical Imaging Conference, NSS/MIC and 17th International Workshop on Room-Temperature Semiconductor X-ray and Gamma-ray Detectors (RTSD) tenutosi a Knoxville nel 2010 [10.1109/NSSMIC.2010.5873893].
RS algorithm for 3D localization of γ interactions in segmented HPGe detectors : tests with calculated and experimental signal basis
F.C.L. Crespi
;V. Vandone
;F. Camera
;S. Riboldi
;
2010
Abstract
Gamma ray tracking arrays like AGATA and GRETA are composed of position sensitive segmented HPGe detectors. In fact the gamma interaction localization with a precision of at least 5 mm is an important step to efficiently perform the tracking. This position information is obtained with the combined use of detector electrode segmentation and Pulse Shape Analysis (PSA). In this work a generalized version of the Recursive Subtraction (RS) algorithm for 3D localization of the interactions is presented (RS-3D). The RS-3D has been applied on simulated and real signals from a 36-fold segmented AGATA asymmetric crystal, using both a calculated and an experimentally extracted signal basis. © 2010 IEEE.
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