D. Goeldi
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View article: Direct measurement of the $$^{39}$$Ar half-life from 3.4 years of data with the DEAP-3600 detector
Direct measurement of the $$^{39}$$Ar half-life from 3.4 years of data with the DEAP-3600 detector Open
The half-life of $$^{39}$$ Ar is measured using the DEAP-3600 detector located 2 km underground at SNOLAB. Between 2016 and 2020, DEAP-3600 used a target mass of (3269 ± 24) kg of liquid argon distilled from the atmosphere in a direct-d…
View article: Characterization of external cross-talk from silicon photomultipliers in a liquid xenon detector
Characterization of external cross-talk from silicon photomultipliers in a liquid xenon detector Open
The Light-only Liquid Xenon experiment (LoLX) employs a small-scale detector equipped with 96 Hamamatsu VUV4 silicon photomultipliers (SiPMs) submerged in 5 kg of liquid xenon (LXe) to perform characterization measurements of light product…
View article: Position Reconstruction in the DEAP-3600 Dark Matter Search Experiment
Position Reconstruction in the DEAP-3600 Dark Matter Search Experiment Open
In the DEAP-3600 dark matter search experiment, precise reconstruction of the positions of scattering events in liquid argon is key for background rejection and defining a fiducial volume that enhances dark matter candidate events identifi…
View article: Relative measurement and extrapolation of the scintillation quenching factor of $$\alpha $$-particles in liquid argon using DEAP-3600 data
Relative measurement and extrapolation of the scintillation quenching factor of $$\alpha $$-particles in liquid argon using DEAP-3600 data Open
The knowledge of scintillation quenching of $$\alpha $$ -particles plays a paramount role in understanding $$\alpha $$ -induced backgrounds and improving the sensitivity of liquid argon-based direct detection of dark matter experiments…
View article: Direct Measurement of the $^{39}$Ar Half-life from 3.4 Years of Data with the DEAP-3600 Detector
Direct Measurement of the $^{39}$Ar Half-life from 3.4 Years of Data with the DEAP-3600 Detector Open
The half-life of $^{39}$Ar is measured using the DEAP-3600 detector located 2 km underground at SNOLAB. Between 2016 and 2020, DEAP-3600 used a target mass of (3269 $\pm$ 24) kg of liquid argon distilled from the atmosphere in a direct-det…
View article: Dark matter search in DEAP-3600: status and prospects
Dark matter search in DEAP-3600: status and prospects Open
DEAP-3600, with its 3.3 tonnes liquid argon target, is a dark matter direct detection experiment set at SNOLAB in Sudbury, Canada. Since 2019, the experiment has held the most stringent exclusion limit in argon for Weakly Interacting Massi…
View article: Supernova electron-neutrino interactions with xenon in the nEXO detector
Supernova electron-neutrino interactions with xenon in the nEXO detector Open
Electron-neutrino charged-current interactions with xenon nuclei were modeled in the nEXO neutrinoless double-β decay detector (∼5 metric ton, 90% Xe136, 10% Xe134) to evaluate its sensitivity to supernova neutrinos. Predictions for event …
View article: Relative Measurement and Extrapolation of the Scintillation Quenching Factor of $α$-Particles in Liquid Argon using DEAP-3600 Data
Relative Measurement and Extrapolation of the Scintillation Quenching Factor of $α$-Particles in Liquid Argon using DEAP-3600 Data Open
The knowledge of scintillation quenching of $α$-particles plays a paramount role in understanding $α$-induced backgrounds and improving the sensitivity of liquid argon-based direct detection of dark matter experiments. We performed a relat…
View article: Simulation Study of Photon-to-Digital Converter (PDC) Timing Specifications for LoLX Experiment
Simulation Study of Photon-to-Digital Converter (PDC) Timing Specifications for LoLX Experiment Open
The Light only Liquid Xenon (LoLX) experiment is a prototype detector aimed to study liquid xenon (LXe) light properties and various photodetection technologies. LoLX is also aimed to quantify LXe's time resolution as a potential scintilla…
View article: Diffusion of muonic hydrogen in hydrogen gas and the measurement of the 1$s$ hyperfine splitting of muonic hydrogen
Diffusion of muonic hydrogen in hydrogen gas and the measurement of the 1$s$ hyperfine splitting of muonic hydrogen Open
The CREMA collaboration is pursuing a measurement of the ground-state hyperfine splitting (HFS) in muonic hydrogen ( \mu p) with 1 ppm accuracy by means of pulsed laser spectroscopy. In the proposed experiment, the \mu p atom is excite…
View article: Precision measurement of the specific activity of $$^{39}$$Ar in atmospheric argon with the DEAP-3600 detector
Precision measurement of the specific activity of $$^{39}$$Ar in atmospheric argon with the DEAP-3600 detector Open
The specific activity of the $$\beta $$ decay of $$^{39}$$ Ar in atmospheric argon is measured using the DEAP-3600 detector. DEAP-3600, located 2 km underground at SNOLAB, uses a total of (3269 ± 24) kg of liquid argon distilled from …
View article: Precision Measurement of the Specific Activity of $^{39}$Ar in Atmospheric Argon with the DEAP-3600 Detector
Precision Measurement of the Specific Activity of $^{39}$Ar in Atmospheric Argon with the DEAP-3600 Detector Open
The specific activity of the beta decay of $^{39}$Ar in atmospheric argon is measured using the DEAP-3600 detector. DEAP-3600, located 2 km underground at SNOLAB, uses a total of (3269 $\pm$ 24) kg of liquid argon distilled from the atmosp…
View article: Laser excitation of the 1s-hyperfine transition in muonic hydrogen
Laser excitation of the 1s-hyperfine transition in muonic hydrogen Open
The CREMA collaboration is pursuing a measurement of the ground-state hyperfine splitting (HFS) in muonic hydrogen ( \mu p) with 1 ppm accuracy by means of pulsed laser spectroscopy to determine the two-photon-exchange contribution with …
View article: Laser excitation of the 1s-hyperfine transition in muonic hydrogen
Laser excitation of the 1s-hyperfine transition in muonic hydrogen Open
The CREMA collaboration is pursuing a measurement of the ground-state
\nhyperfine splitting (HFS) in muonic hydrogen ($\\mu$p) with 1 ppm accuracy by
\nmeans of pulsed laser spectroscopy to determine the two-photon-exchange
\ncontribution …
View article: Scintillation detectors with silicon photomultiplier readout in a dilution refrigerator at temperatures down to 0.2 K
Scintillation detectors with silicon photomultiplier readout in a dilution refrigerator at temperatures down to 0.2 K Open
We are developing a novel high-brightness atomic beam, comprised of a two-body exotic atom called muonium (M = μ + + e - ), for next-generation atomic physics and gravitational interaction measurements. This M source originates from a thin…
View article: Report on 2112.00138v2
Report on 2112.00138v2 Open
The CREMA collaboration is pursuing a measurement of the ground-state hyperfine splitting (HFS) in muonic hydrogen (µp) with 1 ppm accuracy by means of pulsed laser spectroscopy to determine the two-photon-exchange contribution with 2 × 10…
View article: Report on 2112.00138v2
Report on 2112.00138v2 Open
The CREMA collaboration is pursuing a measurement of the ground-state hyperfine splitting (HFS) in muonic hydrogen (µp) with 1 ppm accuracy by means of pulsed laser spectroscopy to determine the two-photon-exchange contribution with 2 × 10…
View article: Report on 2112.00138v2
Report on 2112.00138v2 Open
The CREMA collaboration is pursuing a measurement of the ground-state hyperfine splitting (HFS) in muonic hydrogen (µp) with 1 ppm accuracy by means of pulsed laser spectroscopy to determine the two-photon-exchange contribution with 2 × 10…
View article: Erratum: Constraints on dark matter-nucleon effective couplings in the presence of kinematically distinct halo substructures using the DEAP-3600 detector [Phys. Rev. D <b>102</b>, 082001 (2020)]
Erratum: Constraints on dark matter-nucleon effective couplings in the presence of kinematically distinct halo substructures using the DEAP-3600 detector [Phys. Rev. D <b>102</b>, 082001 (2020)] Open
Received 24 December 2021DOI:https://doi.org/10.1103/PhysRevD.105.029901© 2022 American Physical SocietyPhysics Subject Headings (PhySH)Research AreasCosmologyDark matterParticle astrophysicsParticle dark matterPhysical SystemsGalactic hal…
View article: First Direct Detection Constraints on Planck-Scale Mass Dark Matter with Multiple-Scatter Signatures Using the DEAP-3600 Detector
First Direct Detection Constraints on Planck-Scale Mass Dark Matter with Multiple-Scatter Signatures Using the DEAP-3600 Detector Open
Dark matter with Planck-scale mass (≃10^{19} GeV/c^{2}) arises in well-motivated theories and could be produced by several cosmological mechanisms. A search for multiscatter signals from supermassive dark matter was performed with a blind …
View article: nEXO: neutrinoless double beta decay search beyond 10<sup>28</sup> year half-life sensitivity
nEXO: neutrinoless double beta decay search beyond 10<sup>28</sup> year half-life sensitivity Open
The nEXO neutrinoless double beta (0 νββ ) decay experiment is designed to use a time projection chamber and 5000 kg of isotopically enriched liquid xenon to search for the decay in 136 Xe. Progress in the detector design, paired with high…
View article: Reflectivity of VUV-sensitive silicon photomultipliers in liquid Xenon
Reflectivity of VUV-sensitive silicon photomultipliers in liquid Xenon Open
Silicon photomultipliers are regarded as a very promising technology for next-generation, cutting-edge detectors for low-background experiments in particle physics. This work presents systematic reflectivity studies of Silicon Photomultipl…
View article: The novel Mechanical Ventilator Milano for the COVID-19 pandemic
The novel Mechanical Ventilator Milano for the COVID-19 pandemic Open
This paper presents the Mechanical Ventilator Milano (MVM), a novel intensive therapy mechanical ventilator designed for rapid, large-scale, low-cost production for the COVID-19 pandemic. Free of moving mechanical parts and requiring only …
View article: Vertex-finding and reconstruction of contained two-track neutrino events in the MicroBooNE detector
Vertex-finding and reconstruction of contained two-track neutrino events in the MicroBooNE detector Open
We describe algorithms developed to isolate and accurately reconstruct\ntwo-track events that are contained within the MicroBooNE detector. This method\nis optimized to reconstruct two tracks of lengths longer than 5 cm. This code\nhas app…
View article: Constraints on dark matter-nucleon effective couplings in the presence of kinematically distinct halo substructures using the DEAP-3600 detector
Constraints on dark matter-nucleon effective couplings in the presence of kinematically distinct halo substructures using the DEAP-3600 detector Open
DEAP-3600 is a single-phase liquid argon detector aiming to directly detect weakly interacting massive particles (WIMPs), located at SNOLAB (Sudbury, Canada). After analyzing data taken during the first year of operation, a null result was…