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34 papers
The Data Acquisition System of the LZ Dark Matter Detector: FADR
J. Aalbers, D. S. Akerib, A. K. Al Musalhi +213
The Data Acquisition System (DAQ) for the LUX-ZEPLIN (LZ) dark matter detector is described. The signals from 745 PMTs, distributed across three subsystems, are sampled with 100-MH…
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…
An Effective Field Theory Analysis of the First LUX Dark Matter Search
D. S. Akerib, S. Alsum, H. M. Araújo +94
The Large Underground Xenon (LUX) dark matter search was a 250-kg active mass dual-phase time projection chamber that operated by detecting light and ionization signals from partic…
Search for two neutrino double electron capture of Xe and Xe in the full exposure of the LUX detector
LUX Collaboration, D. S. Akerib, S. Alsum +96
Two-neutrino double electron capture is a process allowed in the Standard Model of Particle Physics. This rare decay has been observed in Kr, Ba and more recently in…
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…
First direct detection constraint on mirror dark matter kinetic mixing using LUX 2013 data
LUX Collaboration, D. S. Akerib, S. Alsum +97
We present the results of a direct detection search for mirror dark matter interactions, using data collected from the Large Underground Xenon experiment during 2013, with an expos…
Extending light WIMP searches to single scintillation photons in LUX
D. S. Akerib, S. Alsum, H. M. Araújo +122
We present a novel analysis technique for liquid xenon time projection chambers that allows for a lower threshold by relying on events with a prompt scintillation signal consisting…
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…
Results of a Search for Sub-GeV Dark Matter Using 2013 LUX Data
D. S. Akerib, S. Alsum, H. M. Araújo +95
The scattering of dark matter (DM) particles with sub-GeV masses off nuclei is difficult to detect using liquid xenon-based DM search instruments because the energy transfer during…
Search for annual and diurnal rate modulations in the LUX experiment
D. S. Akerib, S. Alsum, H. M. Araújo +93
Various dark matter models predict annual and diurnal modulations of dark matter interaction rates in Earth-based experiments as a result of the Earth's motion in the halo. Observa…
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…
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 $^…
Limits on spin-dependent WIMP-nucleon cross section obtained from the complete LUX exposure
LUX Collaboration, D. S. Akerib, S. Alsum +97
We present experimental constraints on the spin-dependent WIMP-nucleon elastic cross sections from the total 129.5 kg-year exposure acquired by the Large Underground Xenon experime…
First Searches for Axions and Axion-Like Particles with the LUX Experiment
D. S. Akerib, S. Alsum, C. Aquino +98
The first searches for axions and axion-like particles with the Large Underground Xenon (LUX) experiment are presented. Under the assumption of an axio-electric interaction in xeno…
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…
Results from a search for dark matter in the complete LUX exposure
D. S. Akerib, S. Alsum, H. M. Araújo +98
We report constraints on spin-independent weakly interacting massive particle (WIMP)-nucleon scattering using a 3.35e4 kg-day exposure of the Large Underground Xenon (LUX) experime…
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…