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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…
Background model for the MAJORANA DEMONSTRATOR
C. Cuesta, N. Abgrall, I. J. Arnquist +64
The MAJORANA Collaboration is constructing a system containing 44 kg of high-purity Ge (HPGe) detectors to demonstrate the feasibility and potential of a future tonne-scale experim…
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)…
Sensitive neutron detection method using delayed coincidence transitions in existing iodine-containing detectors
E. Yakushev, S. Rozov, A. Drokhlyansky +4
This letter explains a new, highly sensitive method for the detection of neutrons, which uses the T ns delay in the decay of I at the 137.8 keV energy level, re…
Measurement of the cosmogenic activation of germanium detectors in EDELWEISS-III
The EDELWEISS Collaboration, E. Armengaud, Q. Arnaud +46
We present a measurement of the cosmogenic activation in the germanium cryogenic detectors of the EDELWEISS III direct dark matter search experiment. The decay rates measured in de…
Improved EDELWEISS-III sensitivity for low-mass WIMPs using a profile likelihood approach
EDELWEISS Collaboration, L. Hehn, E. Armengaud +46
We report on a dark matter search for a Weakly Interacting Massive Particle (WIMP) in the mass range with the EDELWEISS-III experiment. A 2D prof…
Signals induced by charge-trapping in EDELWEISS FID detectors: analytical modeling and applications
The EDELWEISS Collaboration, Q. Arnaud, E. Armengaud +47
The EDELWEISS-III direct dark matter search experiment uses cryogenic HP-Ge detectors Fully covered with Inter-Digitized electrodes (FID). They are operated at low fields ($<1\;\ma…
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-…
Constraints on low-mass WIMPs from the EDELWEISS-III dark matter search
EDELWEISS Collaboration, E. Armengaud, Q. Arnaud +63
We present the results of a search for elastic scattering from galactic dark matter in the form of Weakly Interacting Massive Particles (WIMPs) in the 4-30 GeV/ mass range. We…
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…
LUMINEU: a search for neutrinoless double beta decay based on ZnMoO scintillating bolometers
E. Armengaud, Q. Arnaud, C. Augier +90
The LUMINEU is designed to investigate the possibility to search for neutrinoless double beta decay in Mo by means of a large array of scintillating bolometers based on ZnM…
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…