Suppression of alpha-induced lateral surface events in the COBRA experiment using CdZnTe detectors with an instrumented guard-ring electrode

J. -H. Arling, M. Gerhardt, C. Gößling +11

The COBRA collaboration searches for neutrinoless double beta-decay ($0\nu \beta \beta$-decay) using CdZnTe semiconductor detectors with a coplanar-grid readout and a surrounding guard-ring st…