papers

Publications (42)

hep-ex2025

Measurement of reactor antineutrino oscillation at SNO+

SNO+ Collaboration, :, M. Abreu +298

The SNO+ collaboration reports its second spectral analysis of reactor antineutrino oscillation using 286 tonne-years of new data. The measured energies of reactor antineutrino can…

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…

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…

hep-ex2026

First Light from Beam Neutrinos on an LAPPD in ANNIE

B. W. Adams, S. Abubakar, D. Ajana +71

The Accelerator Neutrino Neutron Interaction Experiment (ANNIE) is both a physics experiment and a technology testbed for next-generation light-based neutrino detection. In this pa…

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…

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-det2021

Theia: An advanced optical neutrino detector

M. Askins, Z. Bagdasarian, N. Barros +75

New developments in liquid scintillators, high-efficiency, fast photon detectors, and chromatic photon sorting have opened up the possibility for building a large-scale detector th…

hep-ex2024

Deployment of Water-based Liquid Scintillator in the Accelerator Neutrino Neutron Interaction Experiment

ANNIE Collaboration, M. Ascencio-Sosa, Z. Bagdasarian +52

The Accelerator Neutrino Neutron Interaction Experiment (ANNIE) is a 26-ton water Cherenkov neutrino detector installed on the Booster Neutrino Beam (BNB) at Fermilab. Its main phy…

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,…

physics.ins-det2021

Optical calibration of the SNO+ detector in the water phase with deployed sources

SNO+ Collaboration, :, M. R. Anderson +120

SNO+ is a large-scale liquid scintillator experiment with the primary goal of searching for neutrinoless double beta decay, and is located approximately 2 km underground in SNOLAB,…

physics.ins-det2021

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 ton…

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

Theia: Summary of physics program. Snowmass White Paper Submission

M. Askins, Z. Bagdasarian, N. Barros +84

Theia would be a novel, "hybrid" optical neutrino detector, with a rich physics program. This paper is intended to provide a brief overview of the concepts and physics reach of The…

physics.ins-det2021

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…

hep-ex2018

Search for invisible modes of nucleon decay in water with the SNO+ detector

SNO+ Collaboration, :, M. Anderson +195

This paper reports results from a search for nucleon decay through 'invisible' modes, where no visible energy is directly deposited during the decay itself, during the initial wate…

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-det2020

Measurement of neutron-proton capture in the SNO+ water phase

The SNO+ Collaboration, :, M. R. Anderson +130

The SNO+ experiment collected data as a low-threshold water Cherenkov detector from September 2017 to July 2019. Measurements of the 2.2-MeV produced by neutron capture on hyd…

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…

hep-ex2019

Measurement of the B Solar Neutrino Flux in SNO+ with Very Low Backgrounds

The SNO+ Collaboration, :, M. Anderson +120

A measurement of the B solar neutrino flux has been made using a 69.2 kt-day dataset acquired with the SNO+ detector during its water commissioning phase. At energies above 6 M…

physics.ins-det2018

Neutron detection in the SNO+ water phase

Y. Liu, S. Andringa, D. Auty +18

SNO+ is a multipurpose neutrino experiment located approximately 2 km underground in SNOLAB, Sudbury, Canada. The detector started taking physics data in May 2017 and is currently…

physics.ins-det2022

A Call to Arms Control: Synergies between Nonproliferation Applications of Neutrino Detectors and Large-Scale Fundamental Neutrino Physics Experiments

T. Akindele, T. Anderson, E. Anderssen +162

The High Energy Physics community can benefit from a natural synergy in research activities into next-generation large-scale water and scintillator neutrino detectors, now being st…

hep-ex2026

Reconstruction of neutrino events in the Accelerator Neutrino Neutron Interaction Experiment: Part I

S. Abubakar, M. Acsencio-Sosa, D. Ajana +65

The Accelerator Neutrino Neutron Interaction Experiment (ANNIE) was designed to reconstruct neutrino events from the Fermilab Booster Neutrino Beam (BNB) with the parallel goals of…

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-det2019

Directionally Accelerated Detection of an Unknown Second Reactor with Antineutrinos for Mid-Field Nonproliferation Monitoring

D. L. Danielson, O. A. Akindele, M. Askins +67

When monitoring a reactor site for nuclear nonproliferation purposes, the presence of an unknown or hidden nuclear reactor could be obscured by the activities of a known reactor of…

physics.ins-det2016

Current Status and Future Prospects of the SNO+ Experiment

SNO+ Collaboration, :, S. Andringa +155

SNO+ is a large liquid scintillator-based experiment located 2km underground at SNOLAB, Sudbury, Canada. It reuses the Sudbury Neutrino Observatory detector, consisting of a 12m di…