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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…
Projected sensitivity of the LUX-ZEPLIN (LZ) experiment to the two-neutrino and neutrinoless double beta decays of Xe
The LUX-ZEPLIN, Collaboration, : +194
The projected sensitivity of the LUX-ZEPLIN (LZ) experiment to two-neutrino and neutrinoless double beta decay of Xe is presented. LZ is a 10-tonne xenon time projection ch…
The SNO+ Experiment
SNO+ Collaboration, :, V. Albanese +251
The SNO+ experiment is located 2 km underground at SNOLAB in Sudbury, Canada. A low background search for neutrinoless double beta () decay will be conducted using 780 tonnes…
Development, characterisation, and deployment of the SNO+ liquid scintillator
SNO+ Collaboration, :, M. R. Anderson +223
A liquid scintillator consisting of linear alkylbenzene as the solvent and 2,5-diphenyloxazole as the fluor was developed for the SNO+ experiment. This mixture was chosen as it is…
The LUX-ZEPLIN (LZ) radioactivity and cleanliness control programs
D. S. Akerib, C. W. Akerlof, D. Yu. Akimov +387
LUX-ZEPLIN (LZ) is a second-generation direct dark matter experiment with spin-independent WIMP-nucleon scattering sensitivity above cm for a WIMP mass…
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…
Discrimination of electronic recoils from nuclear recoils in two-phase xenon time projection chambers
LUX Collaboration, D. S. Akerib, S. Alsum +94
We present a comprehensive analysis of electronic recoil vs. nuclear recoil discrimination in liquid/gas xenon time projection chambers, using calibration data from the 2013 and 20…
Simulations of Events for the LUX-ZEPLIN (LZ) Dark Matter Experiment
ZEPLIN Collaboration, D. S. Akerib, C. W. Akerlof +194
The LUX-ZEPLIN dark matter search aims to achieve a sensitivity to the WIMP-nucleon spin-independent cross-section down to (1--2)\,pb at a WIMP mass of 40 GeV/…
Improved Modeling of Electronic Recoils in Liquid Xenon Using LUX Calibration Data
The LUX Collaboration, D. S. Akerib, S. Alsum +96
We report here methods and techniques for creating and improving a model that reproduces the scintillation and ionization response of a dual-phase liquid and gaseous xenon time-pro…
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…
LUX Trigger Efficiency
D. S. Akerib, S. Alsum, H. M. Araújo +94
The Large Underground Xenon experiment (LUX) searches for dark matter using a dual-phase xenon detector. LUX uses a custom-developed trigger system for event selection. In this pap…
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…
Calibration, event reconstruction, data analysis and limits calculation for the LUX dark matter experiment
D. S. Akerib, S. Alsum, H. M. Araújo +95
The LUX experiment has performed searches for dark matter particles scattering elastically on xenon nuclei, leading to stringent upper limits on the nuclear scattering cross sectio…
Two distinct components of the delayed single electron background signals in liquid xenon emission detectors
P. Sorensen, K. Kamdin
Single electron background signals with millisecond timescales are known to follow ionizing events in liquid/gas xenon emission detectors. Due to the long timescale, these signals…
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…
3D Modeling of Electric Fields in the LUX Detector
LUX Collaboration, D. S. Akerib, S. Alsum +91
This work details the development of a three-dimensional (3D) electric field model for the LUX detector. The detector took data during two periods of searching for weakly interacti…
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 $^…
LUX-ZEPLIN (LZ) Technical Design Report
B. J. Mount, S. Hans, R. Rosero +259
In this Technical Design Report (TDR) we describe the LZ detector to be built at the Sanford Underground Research Facility (SURF). The LZ dark matter experiment is designed to achi…
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…
Signal yields, energy resolution, and recombination fluctuations in liquid xenon
D. S. Akerib, S. Alsum, H. M. Araújo +98
This work presents an analysis of monoenergetic electronic recoil peaks in the dark-matter-search and calibration data from the first underground science run of the Large Undergrou…
Low-energy (0.7-74 keV) nuclear recoil calibration of the LUX dark matter experiment using D-D neutron scattering kinematics
LUX Collaboration, D. S. Akerib, S. Alsum +104
The Large Underground Xenon (LUX) experiment is a dual-phase liquid xenon time projection chamber (TPC) operating at the Sanford Underground Research Facility in Lead, South Dakota…
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…
LUX-ZEPLIN (LZ) Conceptual Design Report
The LZ Collaboration, D. S. Akerib, C. W. Akerlof +192
The design and performance of the LUX-ZEPLIN (LZ) detector is described as of March 2015 in this Conceptual Design Report. LZ is a second-generation dark-matter detector with the p…