A. Cottle
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View article: The XLZD Design Book: towards the next-generation liquid xenon observatory for dark matter and neutrino physics
The XLZD Design Book: towards the next-generation liquid xenon observatory for dark matter and neutrino physics Open
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 design, the detector will have an active liquid xenon target of…
View article: Low-energy nuclear recoil calibration of the LUX-ZEPLIN experiment with a photoneutron source
Low-energy nuclear recoil calibration of the LUX-ZEPLIN experiment with a photoneutron source Open
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, many dark matter models predict an energy spectrum which rises…
View article: New Constraints on Cosmic Ray-Boosted Dark Matter from the LUX-ZEPLIN Experiment
New Constraints on Cosmic Ray-Boosted Dark Matter from the LUX-ZEPLIN Experiment Open
While dual-phase xenon time projection chambers have driven the sensitivity toward weakly interacting massive particles at the GeV/c2 to TeV/c2 mass scale, the scope for sub-GeV/c2 dark matter particles is hindered by a limited nuclear rec…
View article: Measurements and models of enhanced recombination following inner-shell vacancies in liquid xenon
Measurements and models of enhanced recombination following inner-shell vacancies in liquid xenon Open
Electron-capture decays of Xe
View article: First Constraint on Atmospheric Millicharged Particles with the LUX-ZEPLIN Experiment
First Constraint on Atmospheric Millicharged Particles with the LUX-ZEPLIN Experiment Open
We report on a search for millicharged particles (mCPs) produced in cosmic ray atmospheric interactions using data collected during the first science run of the LUX-ZEPLIN experiment. The mCPs produced by two processes—meson decay and prot…
View article: Dark Matter Search Results from <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mn>4.2</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mtext>Tonne</mml:mtext><mml:mtext>−</mml:mtext><mml:mtext>Years</mml:mtext></mml:mrow></mml:math> of Exposure of the LUX-ZEPLIN (LZ) Experiment
Dark Matter Search Results from of Exposure of the LUX-ZEPLIN (LZ) Experiment Open
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 chamber. This analysis uses a total exposure of 4.2±0.1 tonne-yea…
View article: Neutrinoless double beta decay sensitivity of the XLZD rare event observatory
Neutrinoless double beta decay sensitivity of the XLZD rare event observatory Open
The XLZD collaboration is developing a two-phase xenon time projection chamber with an active mass of 60–80 t capable of probing the remaining weakly interacting massive particle-nucleon interaction parameter space down to the so-called ne…
View article: Transforming a rare event search into a not-so-rare event search in real-time with deep learning-based object detection
Transforming a rare event search into a not-so-rare event search in real-time with deep learning-based object detection Open
Deep learning-based object detection algorithms enable the simultaneous classification and localization of any number of objects in image data. Many of these algorithms are capable of operating in real-time on high resolution images, attri…
View article: Two-neutrino double electron capture of <sup>124</sup>Xe in the first LUX-ZEPLIN exposure
Two-neutrino double electron capture of <sup>124</sup>Xe in the first LUX-ZEPLIN exposure Open
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 decay of 124 Xe through the process of two-neutrino double ele…
View article: First constraint for atmospheric millicharged particles with the LUX-ZEPLIN experiment
First constraint for atmospheric millicharged particles with the LUX-ZEPLIN experiment Open
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 experiment. The mCPs produced by two processes -- meson deca…
View article: Constraints on Covariant Dark-Matter–Nucleon Effective Field Theory Interactions from the First Science Run of the LUX-ZEPLIN Experiment
Constraints on Covariant Dark-Matter–Nucleon Effective Field Theory Interactions from the First Science Run of the LUX-ZEPLIN Experiment Open
The LUX-ZEPLIN (LZ) experiment is a dual-phase xenon time project chamber operating in the Sanford Underground Research Facility in South Dakota, USA. We report on the results of a relativistic extension to the nonrelativistic effective fi…
View article: Neutrinoless Double Beta Decay Sensitivity of the XLZD Rare Event Observatory
Neutrinoless Double Beta Decay Sensitivity of the XLZD Rare Event Observatory Open
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 space down to the so-called neutrino fog. In this work we …
View article: Dark Matter Search Results from 4.2 Tonne-Years of Exposure of the LUX-ZEPLIN (LZ) Experiment
Dark Matter Search Results from 4.2 Tonne-Years of Exposure of the LUX-ZEPLIN (LZ) Experiment Open
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 chamber. This analysis uses a total exposure of $4.2\pm0.1$ tonne…
View article: The XLZD Design Book: Towards the Next-Generation Liquid Xenon Observatory for Dark Matter and Neutrino Physics
The XLZD Design Book: Towards the Next-Generation Liquid Xenon Observatory for Dark Matter and Neutrino Physics Open
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 design, the detector will have an active liquid xenon target of…
View article: Probing the scalar WIMP-pion coupling with the first LUX-ZEPLIN data
Probing the scalar WIMP-pion coupling with the first LUX-ZEPLIN data Open
View article: Two-neutrino double electron capture of $^{124}$Xe in the first LUX-ZEPLIN exposure
Two-neutrino double electron capture of $^{124}$Xe in the first LUX-ZEPLIN exposure Open
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 decay of $^{124}$Xe through the process of two-neutrino double…
View article: The data acquisition system of the LZ dark matter detector: FADR
The data acquisition system of the LZ dark matter detector: FADR Open
View article: The design, implementation, and performance of the LZ calibration systems
The design, implementation, and performance of the LZ calibration systems Open
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) in Lead, South Dakota, USA. The core of the LZ detector is a…
View article: Transforming a rare event search into a not-so-rare event search in real-time with deep learning-based object detection
Transforming a rare event search into a not-so-rare event search in real-time with deep learning-based object detection Open
Deep learning-based object detection algorithms enable the simultaneous classification and localization of any number of objects in image data. Many of these algorithms are capable of operating in real-time on high resolution images, attri…
View article: New constraints on ultraheavy dark matter from the LZ experiment
New constraints on ultraheavy dark matter from the LZ experiment Open
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 interacting massive particles, ranging from a few GeV/c2 to a f…
View article: Probing the Scalar WIMP-Pion Coupling with the first LUX-ZEPLIN data
Probing the Scalar WIMP-Pion Coupling with the first LUX-ZEPLIN data Open
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 the spin-independent isoscalar channel is suppressed. Using…
View article: The Data Acquisition System of the LZ Dark Matter Detector: FADR
The Data Acquisition System of the LZ Dark Matter Detector: FADR Open
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-MHz 32-channel digitizers (DDC-32s). A basic waveform analysi…
View article: First constraints on WIMP-nucleon effective field theory couplings in an extended energy region from LUX-ZEPLIN
First constraints on WIMP-nucleon effective field theory couplings in an extended energy region from LUX-ZEPLIN Open
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, South Dakota, USA, we report the initial limits on a model-…
View article: Report from the Workshop on Xenon Detector $0νββ$ Searches: Steps Towards the Kilotonne Scale
Report from the Workshop on Xenon Detector $0νββ$ Searches: Steps Towards the Kilotonne Scale Open
These proceedings summarize the program and discussions of the ``Workshop on Xenon Detector $0νββ$ Searches: Steps Towards the Kilotonne Scale'' held on October 25-27 2023 at SLAC National Accelerator Laboratory. This workshop brought toge…
View article: Constraints On Covariant WIMP-Nucleon Effective Field Theory Interactions from the First Science Run of the LUX-ZEPLIN Experiment
Constraints On Covariant WIMP-Nucleon Effective Field Theory Interactions from the First Science Run of the LUX-ZEPLIN Experiment Open
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 reported leading limits on spin-independent WIMP-nucleon inte…
View article: First Constraints on WIMP-Nucleon Effective Field Theory Couplings in an Extended Energy Region From LUX-ZEPLIN
First Constraints on WIMP-Nucleon Effective Field Theory Couplings in an Extended Energy Region From LUX-ZEPLIN Open
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, South Dakota, USA, we report the initial limits on a model-…
View article: Search for new physics in low-energy electron recoils from the first LZ exposure
Search for new physics in low-energy electron recoils from the first LZ exposure Open
The LUX-ZEPLIN (LZ) experiment is a dark matter detector centered on a dual-phase xenon time
\nprojection chamber. We report searches for new physics appearing through few-keV-scale electron recoils,
\nusing the experiment’s first exposure…
View article: A search for new physics in low-energy electron recoils from the first LZ exposure
A search for new physics in low-energy electron recoils from the first LZ exposure Open
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 electron recoils, using the experiment's first exposure of …
View article: First Dark Matter Search Results from the LUX-ZEPLIN (LZ) Experiment
First Dark Matter Search Results from the LUX-ZEPLIN (LZ) Experiment Open
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 Dakota, USA. This Letter reports results from LUX-ZEPLIN's fir…
View article: Background determination for the LUX-ZEPLIN dark matter experiment
Background determination for the LUX-ZEPLIN dark matter experiment Open
The LUX-ZEPLIN experiment recently reported limits on WIMP-nucleus interactions from its initial science run, down to 9.2 x 10–48 cm2 for the spin-independent interaction of a 36 GeV/c2 WIMP at 90% confiden…