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Low Energy Phonon Bursts Created By Fast Neutron Damage
A. Armatol, C. Augier, L. Bergé +67
Solid state athermal phonon calorimeters used in the search for low mass dark matter or coherent neutrino-nucleus interactions have long observed a large excess of events below sev…
Pushing the Limits of Pulse Shape Discrimination in a Large Liquid Xenon Detector
D. S. Akerib, A. K. Al Musalhi, F. Alder +208
The LUX-ZEPLIN (LZ) experiment is a direct-detection dark matter experiment, optimized to search for weakly interacting massive particles (WIMPs) through WIMP-nucleon interactions.…
Study of few-electron backgrounds in the LUX-ZEPLIN detector
D. S. Akerib, A. K. Al Musalhi, F. Alder +204
The LUX-ZEPLIN (LZ) experiment aims to detect rare interactions between dark matter particles and xenon. Although the detector is designed to be the most sensitive to GeV/--Te…
Low-energy nuclear recoil calibration of the LUX-ZEPLIN experiment with a photoneutron source
J. Aalbers, D. S. Akerib, A. K. Al Musalhi +206
The LZ experiment is a liquid xenon time-projection chamber (TPC) searching for evidence of particle dark matter interactions. In the simplest assumption of elastic scattering, man…
Spontaneous generation of athermal phonon bursts within bulk silicon causing excess noise, low energy background events and quasiparticle poisoning in superconducting sensors
C. L. Chang, Y. -Y. Chang, M. Garcia-Sciveres +25
Solid state phonon detectors used in the search for dark matter and coherent neutrino nucleus interactions (CENS) require excellent energy resolution (eV-scale or below) and low…
Design Studies Of A Pulsed Quasimonoenergetic 2-keV Neutron Source For Calibration Of Low Threshold Dark Matter Detectors
L. Chaplinsky, S. Fiorucci, C. W. Fink +25
We describe design studies for a pulsed quasi-monoenergetic 2-keV neutron source for calibration of sub-keV nuclear recoils. Such a calibration is required for detectors sensitive…
Neutrinoless Double Beta Decay Sensitivity of the XLZD Rare Event Observatory
XLZD Collaboration, J. Aalbers, K. Abe +441
The XLZD collaboration is developing a two-phase xenon time projection chamber with an active mass of 60 to 80 t capable of probing the remaining WIMP-nucleon interaction parameter…
The Design, Implementation, and Performance of the LZ Calibration Systems
J. Aalbers, D. S. Akerib, A. K. Al Musalhi +200
LUX-ZEPLIN (LZ) is a tonne-scale experiment searching for direct dark matter interactions and other rare events. It is located at the Sanford Underground Research Facility (SURF) i…
Nuclear Recoil Calibration at Sub-keV Energies in LUX and Its Impact on Dark Matter Search Sensitivity
LUX Collaboration, D. S. Akerib, S. Alsum +94
Dual-phase xenon time projection chamber (TPC) detectors offer heightened sensitivities for dark matter detection across a spectrum of particle masses. To broaden their capability…
Investigation of background electron emission in the LUX detector
D. S. Akerib, S. Alsum, H. M. Araújo +93
Dual-phase xenon detectors, as currently used in direct detection dark matter experiments, have observed elevated rates of background electron events in the low energy region. Whil…
Improved Measurements of the \b{eta}-Decay Response of Liquid Xenon with the LUX Detector
D. S. Akerib, S. Alsum, H. M. Araújo +98
We report results from an extensive set of measurements of the \b{eta}-decay response in liquid xenon.These measurements are derived from high-statistics calibration data from inje…
Liquid xenon scintillation measurements and pulse shape discrimination in the LUX dark matter detector
The LUX Collaboration, D. S. Akerib, S. Alsum +90
Weakly Interacting Massive Particles (WIMPs) are a leading candidate for dark matter and are expected to produce nuclear recoil (NR) events within liquid xenon time-projection cham…
Position Reconstruction in LUX
LUX Collaboration, D. S. Akerib, S. Alsum +91
The position reconstruction method used in the analysis of the complete exposure of the Large Underground Xenon (LUX) experiment is presented. The algorithm is based on a…
Ultra-Low Energy Calibration of LUX Detector using Xe Electron Capture
LUX Collaboration, D. S. Akerib, S. Alsum +91
We report an absolute calibration of the ionization yields($\textit{Q$_y$})$ and fluctuations for electronic recoil events in liquid xenon at discrete energies between 186 eV and 3…
Kr calibration of the 2013 LUX dark matter search
LUX Collaboration, D. S. Akerib, S. Alsum +91
LUX was the first dark matter experiment to use a Kr calibration source. In this paper we describe the source preparation and injection. We also present several $^…
Identification of Radiopure Titanium for the LZ Dark Matter Experiment and Future Rare Event Searches
D. S. Akerib, C. W. Akerlof, D. Yu. Akimov +202
The LUX-ZEPLIN (LZ) experiment will search for dark matter particle interactions with a detector containing a total of 10 tonnes of liquid xenon within a double-vessel cryostat. Th…
Chromatographic separation of radioactive noble gases from xenon
LUX Collaboration, D. S. Akerib, H. M. Araújo +96
The Large Underground Xenon (LUX) experiment operates at the Sanford Underground Research Facility to detect nuclear recoils from the hypothetical Weakly Interacting Massive Partic…