papers

Publications (25)

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-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-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…

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…

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.…

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-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-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…

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…

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…

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…