Abstract
Neutrinoless double-beta decay searches play a major role in determining the nature of neutrinos, the existence of a lepton violating process, and the effective Majorana neutrino mass. The Majorana Collaboration assembled an array of high purity Ge detectors to search for neutrinoless double-beta decay in 76Ge. The Majorana Demonstrator is comprised of 44.1 kg (29.7 kg enriched in 76Ge) of Ge detectors divided between two modules contained in a low-background shield at the Sanford Underground Research Facility in Lead, South Dakota, USA. The initial goals of the Demonstrator are to establish the required background and scalability of a Ge-based next-generation ton-scale experiment. Following a commissioning run that started in 2015, the first detector module started low-background data production in early 2016. The second detector module was added in August 2016 to begin operation of the entire array. We discuss results of the initial physics runs, as well as the status and physics reach of the full Majorana Demonstrator experiment.
| Original language | English |
|---|---|
| Title of host publication | Workshop on Calculation of Double-Beta-Decay Matrix Elements, MEDEX 2017 |
| Editors | Osvaldo Civitarese, Jouni Suhonen, Ivan Stekl |
| Publisher | American Institute of Physics Inc. |
| ISBN (Electronic) | 9780735415775 |
| DOIs | |
| State | Published - Oct 16 2017 |
| Event | 11th Workshop on Calculation of Double-Beta-Decay Matrix Elements, MEDEX 2017 - Prague, Czech Republic Duration: May 29 2017 → Jun 2 2017 |
Publication series
| Name | AIP Conference Proceedings |
|---|---|
| Volume | 1894 |
| ISSN (Print) | 0094-243X |
| ISSN (Electronic) | 1551-7616 |
Conference
| Conference | 11th Workshop on Calculation of Double-Beta-Decay Matrix Elements, MEDEX 2017 |
|---|---|
| Country/Territory | Czech Republic |
| City | Prague |
| Period | 05/29/17 → 06/2/17 |
Funding
This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics, the Particle Astrophysics and Nuclear Physics Programs of the National Science Foundation, and the Sanford Underground Research Facility.