J. Davis
YOU?
Author Swipe
View article: Assessment of the exposure to <i>Phlebotomus perniciosus</i> and the presence of anti- <i>Leishmania infantum</i> antibodies in stray cats in an endemic region of Spain, and their potential correlation with environmental factors
Assessment of the exposure to <i>Phlebotomus perniciosus</i> and the presence of anti- <i>Leishmania infantum</i> antibodies in stray cats in an endemic region of Spain, and their potential correlation with environmental factors Open
Phlebotomus perniciosus is a major vector of Leishmania infantum in the Mediterranean. While the seroprevalence of leishmaniosis in Spanish dogs and cats has been studied, data on the exposure of cats to P. perniciosus…
View article: Proton Shell Gaps in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>N</mml:mi><mml:mo>=</mml:mo><mml:mn>28</mml:mn></mml:mrow></mml:math> Nuclei from the First Complete Spectroscopy Study with FRIB Decay Station Initiator
Proton Shell Gaps in Nuclei from the First Complete Spectroscopy Study with FRIB Decay Station Initiator Open
The first complete measurement of the β-decay strength distribution of _{17}^{45}Cl_{28} was performed at the Facility for Rare Isotope Beams (FRIB) with the FRIB Decay Station Initiator during the second FRIB experiment. The measurement i…
View article: Formation and Stability of Salty Soil Seals in Mars‐Like Conditions. Implications for Methane Variability on Mars
Formation and Stability of Salty Soil Seals in Mars‐Like Conditions. Implications for Methane Variability on Mars Open
Methane spikes observed in the Martian atmosphere require the abrupt release of large amounts of methane from the Martian subsurface. The mechanism for such release has not been identified. We tested whether gas traps can form under Mars‐l…
View article: Optical constants and scattering factors from reflectivity measurements: 50 eV to 5 keV
Optical constants and scattering factors from reflectivity measurements: 50 eV to 5 keV Open
An improved reflection technique has been introduced to permit more accurate measurements of material optical constants [delta] and [beta], the density [rho], and from these the atomic scattering factors f [prime] and f [double prime]. Reg…
View article: Search for two-neutrino double-beta decay of <sup>136</sup>Xe to the excited state of <sup>136</sup>Ba with the complete EXO-200 dataset*
Search for two-neutrino double-beta decay of <sup>136</sup>Xe to the excited state of <sup>136</sup>Ba with the complete EXO-200 dataset* Open
A new search for two-neutrino double-beta (2 νββ ) decay of 136 Xe to the excited state of 136 Ba is performed with the full EXO-200 dataset. A deep learning-based convolutional neural network is used to discriminate signal from background…
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: Generative adversarial networks for scintillation signal simulation in EXO-200
Generative adversarial networks for scintillation signal simulation in EXO-200 Open
Generative Adversarial Networks trained on samples of simulated or actual events have been proposed as a way of generating large simulated datasets at a reduced computational cost. In this work, a novel approach to perform the simulation o…
View article: Search for Two-neutrino Double-Beta Decay of $^{136}\rm Xe$ to the $0^+_1$ excited state of $^{136}\rm Ba$ with the Complete EXO-200 Dataset
Search for Two-neutrino Double-Beta Decay of $^{136}\rm Xe$ to the $0^+_1$ excited state of $^{136}\rm Ba$ with the Complete EXO-200 Dataset Open
A new search for two-neutrino double-beta ($2νββ$) decay of $^{136}\rm Xe$ to the $0^+_1$ excited state of $^{136}\rm Ba$ is performed with the full EXO-200 dataset. A deep learning-based convolutional neural network is used to discriminat…
View article: Search for MeV electron recoils from dark matter in EXO-200
Search for MeV electron recoils from dark matter in EXO-200 Open
We present a search for electron-recoil signatures from the charged-current absorption of fermionic dark matter using the EXO-200 detector. We report an average electron-recoil background rate of 6.8 × 104 cts kg–1 yr…
View article: Constraining anomalous Higgs boson couplings to virtual photons
Constraining anomalous Higgs boson couplings to virtual photons Open
We present a study of Higgs boson production in vector boson fusion and in\nassociation with a vector boson and its decay to two vector bosons, with a\nfocus on the treatment of virtual loops and virtual photons. Our analysis is\nperformed…
View article: The EXO-200 detector, part II: auxiliary systems
The EXO-200 detector, part II: auxiliary systems Open
The EXO-200 experiment searched for neutrinoless double-beta decay of 136 Xe with a single-phase liquid xenon detector. It used an active mass of 110 kg of 80.6%-enriched liquid xenon in an ultra-low background time projection chamber with…
View article: Search for Majoron-emitting modes of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>Xe</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>136</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math> double beta decay with the complete EXO-200 dataset
Search for Majoron-emitting modes of double beta decay with the complete EXO-200 dataset Open
A search for Majoron-emitting modes of the neutrinoless double beta decay of 136Xe is performed with the full EXO-200 dataset. This dataset consists of a total 136Xe exposure of 234.1 kg · yr, and includes data with d…
View article: Constraining anomalous Higgs boson couplings to virtual photons
Constraining anomalous Higgs boson couplings to virtual photons Open
We present a study of Higgs boson production in vector boson fusion and in association with a vector boson and its decay to two vector bosons, with a focus on the treatment of virtual loops and virtual photons. Our analysis is performed wi…
View article: Search for Majoron-emitting modes of $^{136}$Xe double beta decay with the complete EXO-200 dataset
Search for Majoron-emitting modes of $^{136}$Xe double beta decay with the complete EXO-200 dataset Open
A search for Majoron-emitting modes of the neutrinoless double-beta decay of ¹³⁶Xe is performed with the full EXO-200 dataset. This dataset consists of a total ¹³⁶Xe exposure of 234.1 kg⋅yr, and includes data with detector upgrades that ha…
View article: Measurement of the scintillation and ionization response of liquid xenon at MeV energies in the EXO-200 experiment
Measurement of the scintillation and ionization response of liquid xenon at MeV energies in the EXO-200 experiment Open
In this work, liquid xenon (LXe) is employed in a number of current and future detectors for rare event searches. We use the EXO-200 experimental data to measure the absolute scintillation and ionization yields generated by γ interactions …
View article: Measurement of the Spectral Shape of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>β</mml:mi></mml:math>-Decay of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>Xe</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>137</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math> to the Ground State of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>Cs</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>137</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math> in EXO-200 and Comparison with Theory
Measurement of the Spectral Shape of the -Decay of to the Ground State of in EXO-200 and Comparison with Theory Open
We report on a comparison between the theoretically predicted and experimentally measured spectra of the first-forbidden nonunique β-decay transition ^{137}Xe(7/2^{-})→^{137}Cs(7/2^{+}). The experimental data were acquired by the EXO-200 e…
View article: The LUX-ZEPLIN (LZ) experiment
The LUX-ZEPLIN (LZ) experiment Open
View article: Search for Neutrinoless Double-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>β</mml:mi></mml:mrow></mml:math>Decay with the Complete EXO-200 Dataset
Search for Neutrinoless Double-Decay with the Complete EXO-200 Dataset Open
A search for neutrinoless double-β decay (0νββ) in ^{136}Xe is performed with the full EXO-200 dataset using a deep neural network to discriminate between 0νββ and background events. Relative to previous analyses, the signal detection effi…
View article: Search for nucleon decays with EXO-200
Search for nucleon decays with EXO-200 Open
A search for instability of nucleons bound in Xe136 nuclei is reported with 223 kg·yr exposure of Xe136 in the EXO-200 experiment. Lifetime limits of 3.3×1023 and 1.9×1023 yr are established for nucleon decay to Sb133 and Te133, respective…
View article: Search for Neutrinoless Double-Beta Decay with the Upgraded EXO-200 Detector
Search for Neutrinoless Double-Beta Decay with the Upgraded EXO-200 Detector Open
Results from a search for neutrinoless double-beta decay (0νββ) of ^{136}Xe are presented using the first year of data taken with the upgraded EXO-200 detector. Relative to previous searches by EXO-200, the energy resolution of the detecto…
View article: Searches for double beta decay of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>Xe</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>134</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math>with EXO-200
Searches for double beta decay ofwith EXO-200 Open
Searches for double beta decay of 134Xe were performed with EXO-200, a single-phase liquid xenon detector designed to search for neutrinoless double beta decay of 136Xe. Using an exposure of 29.6 kg ∙ yr , the lower l…
View article: Trace radioactive impurities in final construction materials for EXO-200
Trace radioactive impurities in final construction materials for EXO-200 Open
View article: Measurement of the drift velocity and transverse diffusion of electrons in liquid xenon with the EXO-200 detector
Measurement of the drift velocity and transverse diffusion of electrons in liquid xenon with the EXO-200 detector Open
The EXO-200 Collaboration is searching for neutrinoless double β decay using a liquid xenon (LXe) time projection chamber. This measurement relies on modeling the transport of charge deposits produced by interactions in the LXe to allow di…
View article: First search for Lorentz and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:mi><mml:mi>T</mml:mi></mml:math>violation in double beta decay with EXO-200
First search for Lorentz andviolation in double beta decay with EXO-200 Open
A search for Lorentz- and CPT-violating signals in the double beta decay spectrum of ^(136)Xe has been performed using an exposure of 100 kg⋅yr with the EXO-200 detector. No significant evidence of the spectral modification due to isotropi…
View article: Influence of ubiquitous electron acceptors on in situ anaerobic biotransformation of RDX in groundwater
Influence of ubiquitous electron acceptors on in situ anaerobic biotransformation of RDX in groundwater Open
A series of column studies, with aquifer material from the former Nebraska Ordnance Plant, were performed to explore the phenomenon of electron competition from ubiquitous inorganic electron acceptors (nitrate and sulfate) present in conta…
View article: Search for<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>2</mml:mn><mml:mi>ν</mml:mi><mml:mi>β</mml:mi><mml:mi>β</mml:mi></mml:mrow></mml:math>decay of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Xe</mml:mi><mml:mprescripts/><mml:none/><mml:mn>136</mml:mn></mml:mmultiscripts></mml:math>to the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msubsup><mml:mn>0</mml:mn><mml:mn>1</mml:mn><mml:mo>+</mml:mo></mml:msubsup></mml:math>excited state of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Ba</mml:mi><mml:mprescripts/><mml:none/><mml:mn>136</mml:mn></mml:mmultiscripts></mml:math>with the EXO-200 liquid xenon detector
Search fordecay ofto theexcited state ofwith the EXO-200 liquid xenon detector Open
EXO-200 is a single phase liquid xenon detector designed to search for neutrinoless ββ decay of 136Xe to the ground state of 136Ba. We report here on a search for the two-neutrino ββ decay of 136Xe to the f…
View article: Measurements of the ion fraction and mobility of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>α</mml:mi><mml:mtext>−</mml:mtext></mml:mrow></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>β</mml:mi></mml:mrow></mml:math>-decay products in liquid xenon using the EXO-200 detector
Measurements of the ion fraction and mobility ofand-decay products in liquid xenon using the EXO-200 detector Open
Alpha decays in the EXO-200 detector are used to measure the fraction of\ncharged $^{218}\\mathrm{Po}$ and $^{214}\\mathrm{Bi}$ daughters created from\nalpha and beta decays, respectively. $^{222}\\mathrm{Rn}$ alpha decays in liquid\nxenon…
View article: Investigation of radioactivity-induced backgrounds in EXO-200
Investigation of radioactivity-induced backgrounds in EXO-200 Open
The search for neutrinoless double-beta decay ( 0 ν β β ) requires extremely low background and a good understanding of their sources and their influence on the rate in the region of parameter space relevant to the 0 ν β β signal. We repor…