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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…
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…
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…
Tritium calibration of the LUX dark matter experiment
LUX Collaboration, D. S. Akerib, H. M. Araújo +98
We present measurements of the electron-recoil (ER) response of the LUX dark matter detector based upon 170,000 highly pure and spatially-uniform tritium decays. We reconstruct the…
FPGA-based Trigger System for the LUX Dark Matter Experiment
D. S. Akerib, H. M. Araujo, X. Bai +100
LUX is a two-phase (liquid/gas) xenon time projection chamber designed to detect nuclear recoils resulting from interactions with dark matter particles. Signals from the detector a…
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…
Measurement and simulation of the muon-induced neutron yield in lead
L. Reichhart, A. Lindote, D. Yu. Akimov +36
A measurement is presented of the neutron production rate in lead by high energy cosmic-ray muons at a depth of 2850 m water equivalent (w.e.) and a mean muon energy of 260 GeV. Th…
Position Reconstruction in a Dual Phase Xenon Scintillation Detector
V. N. Solovov, V. A. Belov, D. Yu. Akimov +33
We studied the application of statistical reconstruction algorithms, namely maximum likelihood and least squares methods, to the problem of event reconstruction in a dual phase liq…
Performance data from the ZEPLIN-III second science run
P. Majewski, V. N. Solovov, D. Yu. Akimov +32
ZEPLIN-III is a two-phase xenon direct dark matter experiment located at the Boulby Mine (UK). After its first science run in 2008 it was upgraded with: an array of low background…
Single electron emission in two-phase xenon with application to the detection of coherent neutrino-nucleus scattering
E. Santos, B. Edwards, V. Chepel +34
We present an experimental study of single electron emission in ZEPLIN-III, a two-phase xenon experiment built to search for dark matter WIMPs, and discuss applications enabled by…
Nuclear recoil scintillation and ionisation yields in liquid xenon from ZEPLIN-III data
M. Horn, V. A. Belov, D. Yu. Akimov +33
Scintillation and ionisation yields for nuclear recoils in liquid xenon above 10 keVnr (nuclear recoil energy) are deduced from data acquired using broadband Am-Be neutron sources.…
Radioactivity Backgrounds in ZEPLIN-III
H. M. Araujo, D. Yu. Akimov, E. J. Barnes +32
We examine electron and nuclear recoil backgrounds from radioactivity in the ZEPLIN-III dark matter experiment at Boulby. The rate of low-energy electron recoils in the liquid xeno…