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Volume 274 - XIII International Conference on Heavy Quarks and Leptons (HQL 2016) - Neutrinos
The MAJORANA DEMONSTRATOR search for neutrinoless double beta decay
C. Cuesta* Majorana Collaboration
*corresponding author
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Pre-published on: 2017-01-24 15:51:49
Published on: 2017-01-24 15:51:39
Abstract
The MAJORANA Collaboration is constructing the MAJORANA DEMONSTRATOR, an ultra-low background, modular, HPGe detector array with a mass of 44.8-kg (29.7 kg enriched 88% in 76Ge) to search for neutrinoless double beta decay in 76Ge. The next generation of tonnescale Ge-based neutrinoless double beta decay searches will probe the neutrino mass scale in the inverted-hierarchy region. The MAJORANA DEMONSTRATOR is envisioned to demonstratepath forward to achieve a background rate at or below 1 count/tonne/year in the 4 keV region of interest around the Q-value of 2039 keV. The MAJORANA DEMONSTRATOR follows a modular implementation to be easily scalable to the next generation experiment. First data taken with the DEMONSTRATOR are introduced here.
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