Speaker
Description
The GERDA (GErmanium Detector Array) experiment, located at the Laboratori Nazionali del Gran Sasso, is searching for neutrinoless double beta ($0\nu\beta\beta$) decay of $^{76}Ge$. Since the end of 2015, in Phase II of the experiment, 35 kg of enriched high-purity germanium detectors are operated in liquid argon, that serves as cooling for the detectors as well as active shield against external radiation. The aim is a sensitivity on the $0\nu\beta\beta$ decay half-life larger than $10^{26}~$yr with about $100~$kg$\cdot$yr exposure and the lowest background level in the field of about $10^{-3}~$cts/(keV$\cdot$kg$\cdot$yr). In this talk, an overview of the analysis of the data collected so far will be presented with an emphasis on the background rejection techniques and their performance together with the half-life limit.
| Experimental Collaboration | GERDA |
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