Speaker
Dr
Brandon White
(Oak Ridge National Laboratory)
Description
The MAJORANA DEMONSTRATOR is a neutrinoless double-beta decay experiment utilizing 76Ge as both source and detector in the form of high-purity germanium crystals. The enriched germanium crystal production, delivery, acceptance and characterization programs have been organized to minimize exposure to cosmic muons to lower the impact of induced backgrounds. This is required by the strict experiment background goal of 3counts/(ROI-t-y). As another aspect of background mitigation, it is important to ensure proper crystal performance and have well characterized crystal detectors. For this a program of testing crystal properties has been implemented both at the manufacturer and at the detector site in Lead, South Dakota at the Sanford Underground Research Facility. Results of the completed testing program will be presented.
Primary author
Dr
Brandon White
(Oak Ridge National Laboratory)