papers

Publications (37)

physics.ins-det2017

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…

nucl-ex2020

Projected sensitivity of the LUX-ZEPLIN experiment to the decay of Xe

D. S. Akerib, C. W. Akerlof, A. Alqahtani +189

The LUX-ZEPLIN (LZ) experiment will enable a neutrinoless double beta decay search in parallel to the main science goal of discovering dark matter particle interactions. We report…

hep-ex2024

New constraints on ultraheavy dark matter from the LZ experiment

J. Aalbers, D. S. Akerib, A. K. Al Musalhi +196

Searches for dark matter with liquid xenon time projection chamber experiments have traditionally focused on the region of the parameter space that is characteristic of weakly inte…

physics.ins-det2024

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…

hep-ex2025

Search for New Physics via Low-Energy Electron Recoils with a 4.2 Tonne\times Year Exposure from the LZ Experiment

D. S. Akerib, A. K. Al Musalhi, F. Alder +207

We report results from searches for new physics models through electron recoils using data collected by the LUX-ZEPLIN (LZ) experiment during its first two science runs, with a tot…

hep-ex2021

Projected sensitivities of the LUX-ZEPLIN (LZ) experiment to new physics via low-energy electron recoils

The LZ Collaboration, D. S. Akerib, A. K. Al Musalhi +194

LUX-ZEPLIN (LZ) is a dark matter detector expected to obtain world-leading sensitivity to weakly interacting massive particles (WIMPs) interacting via nuclear recoils with a ~7-ton…

hep-ex2026

Measurement of the Muon Flux at the Sanford Underground Research Facility with the LUX-ZEPLIN Dark Matter Detector

D. S. Akerib, A. K. Al Musalhi, F. Alder +209

High-energy cosmic-ray muons reaching deep underground laboratories can cause events in detectors that mimic signals expected from dark matter particles, neutrinos, or rare decays.…

hep-ex2026

Low-Energy Radon Backgrounds from Electrode Grids in Dual-Phase Xenon TPCs

D. S. Akerib, A. K. Al Musalhi, F. Alder +264

The dual-phase xenon time projection chamber (TPC) is a powerful technology to detect rare interactions such as scatters of dark matter particles on nuclei. In particular, the buil…

physics.ins-det2026

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.…

physics.ins-det2026

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…

physics.ins-det2025

Flow-dependent tagging of Pb decays in the LZ dark matter detector

J. Aalbers, D. S. Akerib, A. K. Al Musalhi +205

The LUX-ZEPLIN (LZ) experiment is searching for dark matter interactions in a liquid xenon time projection chamber (LXe-TPC). This article demonstrates how control of the flow stat…

physics.ins-det2025

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…

nucl-ex2024

Two-neutrino double electron capture of Xe in the first LUX-ZEPLIN exposure

J. Aalbers, D. S. Akerib, A. K. Al Musalhi +202

The broad physics reach of the LUX-ZEPLIN (LZ) experiment covers rare phenomena beyond the direct detection of dark matter. We report precise measurements of the extremely rare dec…

physics.ins-det2022

A Next-Generation Liquid Xenon Observatory for Dark Matter and Neutrino Physics

J. Aalbers, K. Abe, V. Aerne +591

The nature of dark matter and properties of neutrinos are among the most pressing issues in contemporary particle physics. The dual-phase xenon time-projection chamber is the leadi…

physics.ins-det2020

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/

physics.ins-det2019

Measurement of the Gamma Ray Background in the Davis Cavern at the Sanford Underground Research Facility

D. S. Akerib, C. W. Akerlof, S. K. Alsum +164

Deep underground environments are ideal for low background searches due to the attenuation of cosmic rays by passage through the earth. However, they are affected by backgrounds fr…

hep-ex2025

Dark Matter Search Results from 4.2 Tonne-Years of Exposure of the LUX-ZEPLIN (LZ) Experiment

J. Aalbers, D. S. Akerib, A. K. Al Musalhi +215

We report results of a search for nuclear recoils induced by weakly interacting massive particle (WIMP) dark matter using the LUX-ZEPLIN (LZ) two-phase xenon time projection chambe…

physics.ins-det2019

The LUX-ZEPLIN (LZ) Experiment

The LZ Collaboration, D. S. Akerib, C. W. Akerlof +379

We describe the design and assembly of the LUX-ZEPLIN experiment, a direct detection search for cosmic WIMP dark matter particles. The centerpiece of the experiment is a large liqu…

hep-ex2025

New constraints on cosmic ray-boosted dark matter from the LUX-ZEPLIN experiment

J. Aalbers, D. S. Akerib, A. K. Al Musalhi +201

While dual-phase xenon time projection chambers (TPCs) have driven the sensitivity towards weakly interacting massive particles (WIMPs) at the GeV/c^2 to TeV/c^2 mass scale, the sc…

physics.ins-det2025

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…

hep-ex2024

First Constraints on WIMP-Nucleon Effective Field Theory Couplings in an Extended Energy Region From LUX-ZEPLIN

LZ Collaboration, J. Aalbers, D. S. Akerib +197

Following the first science results of the LUX-ZEPLIN (LZ) experiment, a dual-phase xenon time projection chamber operating from the Sanford Underground Research Facility in Lead,…

hep-ex2025

Measurements and models of enhanced recombination following inner-shell vacancies in liquid xenon

J. Aalbers, D. S. Akerib, A. K. Al Musalhi +215

Electron-capture decays of Xe and Xe, and double-electron-capture decays of Xe, are backgrounds in searches for weakly interacting massive particles (WIMPs)…

hep-ex2024

Probing the Scalar WIMP-Pion Coupling with the first LUX-ZEPLIN data

J. Aalbers, D. S. Akerib, A. K. Al Musalhi +200

Weakly interacting massive particles (WIMPs) may interact with a virtual pion that is exchanged between nucleons. This interaction channel is important to consider in models where…

hep-ex2023

A search for new physics in low-energy electron recoils from the first LZ exposure

The LZ Collaboration, J. Aalbers, D. S. Akerib +200

The LUX-ZEPLIN (LZ) experiment is a dark matter detector centered on a dual-phase xenon time projection chamber. We report searches for new physics appearing through few-keV-scale…

hep-ex2025

Searches for Light Dark Matter and Evidence of Coherent Elastic Neutrino-Nucleus Scattering of Solar Neutrinos with the LUX-ZEPLIN (LZ) Experiment

D. S. Akerib, A. K. Al Musalhi, F. Alder +217

We present searches for light dark matter (DM) with masses 3-9 GeV/ in the presence of coherent elastic neutrino-nucleus scattering (CENS) from B solar neutrinos wit…

hep-ex2025

The XLZD Design Book: Towards the Next-Generation Liquid Xenon Observatory for Dark Matter and Neutrino Physics

XLZD Collaboration, J. Aalbers, K. Abe +441

This report describes the experimental strategy and technologies for XLZD, the next-generation xenon observatory sensitive to dark matter and neutrino physics. In the baseline desi…

hep-ex2022

Cosmogenic production of Ar in the context of the LUX-ZEPLIN experiment

J. Aalbers, D. S. Akerib, A. K. Al Musalhi +205

We estimate the amount of Ar produced in natural xenon via cosmic ray-induced spallation, an inevitable consequence of the transportation and storage of xenon on the Earth's…

physics.ins-det2022

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…

hep-ex2024

Constraints On Covariant WIMP-Nucleon Effective Field Theory Interactions from the First Science Run of the LUX-ZEPLIN Experiment

J. Aalbers, D. S. Akerib, A. K. Al Musalhi +201

The first science run of the LUX-ZEPLIN (LZ) experiment, a dual-phase xenon time project chamber operating in the Sanford Underground Research Facility in South Dakota, USA, has re…

hep-ex2026

Precision measurement of positron decay modes of Xe-125 in the LUX-ZEPLIN experiment

D. S. Akerib, A. K. Al Musalhi, F. Alder +208

The radioisotope is a short-lived () activation product of the neutron calibrations performed in the LUX-ZEPLIN experiment. Subsequently, $^{12…

physics.ins-det2024

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…

hep-ex2025

First constraint for atmospheric millicharged particles with the LUX-ZEPLIN experiment

J. Aalbers, D. S. Akerib, A. K. Al Musalhi +215

We report on a search for millicharged particles (mCPs) produced in cosmic ray proton atmospheric interactions using data collected during the first science run of the LUX-ZEPLIN e…

hep-ex2023

First Dark Matter Search Results from the LUX-ZEPLIN (LZ) Experiment

J. Aalbers, D. S. Akerib, C. W. Akerlof +344

The LUX-ZEPLIN experiment is a dark matter detector centered on a dual-phase xenon time projection chamber operating at the Sanford Underground Research Facility in Lead, South Dak…

astro-ph.IM2021

Enhancing the sensitivity of the LUX-ZEPLIN (LZ) dark matter experiment to low energy signals

D. S. Akerib, A. K. Al Musalhi, S. K. Alsum +184

Two-phase xenon detectors, such as that at the core of the forthcoming LZ dark matter experiment, use photomultiplier tubes to sense the primary (S1) and secondary (S2) scintillati…

astro-ph.IM2019

Projected WIMP sensitivity of the LUX-ZEPLIN (LZ) dark matter experiment

D. S. Akerib, C. W. Akerlof, S. K. Alsum +175

LUX-ZEPLIN (LZ) is a next generation dark matter direct detection experiment that will operate 4850 feet underground at the Sanford Underground Research Facility (SURF) in Lead, So…

hep-ex2023

Background Determination for the LUX-ZEPLIN (LZ) Dark Matter Experiment

J. Aalbers, D. S. Akerib, A. K. Al Musalhi +200

The LUX-ZEPLIN experiment recently reported limits on WIMP-nucleus interactions from its initial science run, down to cm for the spin-independent interactio…

physics.ins-det2021

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…