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New limits on Bosonic Dark Matter, Solar Axions, Pauli Exclusion Principle Violation, and Electron Decay from the Majorana Demonstrator
N. Abgrall, I. J. Arnquist, F. T. Avignone +64
We present new limits on exotic keV-scale physics based on 478 kg d of MAJORANA DEMONSTRATOR commissioning data. Constraints at the 90% confidence level are derived on bosonic dark…
Search for Pauli Exclusion Principle Violating Atomic Transitions and Electron Decay with a P-type Point Contact Germanium Detector
N. Abgrall, I. J. Arnquist, F. T. Avignone +66
A search for Pauli-exclusion-principle-violating K-alpha electron transitions was performed using 89.5 kg-d of data collected with a p-type point contact high-purity germanium dete…
Delayed charge recovery discrimination of passivated surface alpha events in P-type point-contact detectors
J. Gruszko, N. Abgrall, I. J. Arnquist +64
The Majorana Demonstrator searches for neutrinoless double-beta decay of Ge using arrays of high-purity germanium detectors. If observed, this process would demonstrate that…
Initial Results from the MAJORANA DEMONSTRATOR
S. R. Elliott, N. Abgrall, I. J. Arnquist +64
Neutrinoless double-beta decay searches seek to determine the nature of neutrinos, the existence of a lepton violating process, and the effective Majorana neutrino mass. The {\sc M…
The Majorana Demonstrator search for neutrinoless double beta decay
C. Cuesta, M. Buuck, J. A. Detwiler +64
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 Ge-76)…
High voltage testing for the MAJORANA Demonstrator
N. Abgrall, I. J. Arnquist, F. T. Avignone +70
The MAJORANA Collaboration is constructing the MAJORANA Demonstrator, an ultra-low background, 44-kg modular high-purity Ge (HPGe) detector array to search for neutrinoless double-…
Muon Flux Measurements at the Davis Campus of the Sanford Underground Research Facility with the Majorana Demonstrator Veto System
N. Abgrall, E. Aguayo, F. T. Avignone +71
We report the first measurement of the total MUON flux underground at the Davis Campus of the Sanford Underground Research Facility at the 4850 ft level. Measurements were done wit…
The Majorana Demonstrator Radioassay Program
N. Abgrall, I. J. Arnquist, F. T. Avignone +82
The MAJORANA collaboration is constructing the MAJORANA DEMONSTATOR at the Sanford Underground Research Facility at the Homestake gold mine, in Lead, SD. The apparatus will use Ge…