Abstract
Procedures developed to separate single- and multiple-site events in germanium detector are tested with specially selected event samples provided by an 18-fold segmented prototype germanium detector for phase II of the germanium detector array, GERDA. The single Compton scattering, i.e. single-site, events are tagged by coincidently detecting the scattered photon with a second detector positioned at a defined angle. A neural network is trained to separate such events from events which come from multi-site dominated samples. Identification efficiencies of ≈80% are achieved for both single- and multi-site events.
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Abt, I., Caldwell, A., Kröninger, K. et al. Test of pulse shape analysis using single Compton scattering events. Eur. Phys. J. C 54, 425–433 (2008). https://doi.org/10.1140/epjc/s10052-008-0555-0
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DOI: https://doi.org/10.1140/epjc/s10052-008-0555-0