285 citations · 1k across the 23 of their papers we have counts for
23 papers
A Method To Characterize Metalenses For Light Collection Applications
T. Contreras, A. Martins, C. Stanford +8
Metalenses and metasurfaces are promising emerging technologies that could improve light collection in light collection detectors, concentrating light on small area photodetectors…
Reflectance and fluorescence characteristics of PTFE coated with TPB at visible, UV, and VUV as a function of thickness
J. Haefner, A. Fahs, J. Ho +100
Polytetrafluoroethylene (PTFE) is an excellent diffuse reflector widely used in light collection systems for particle physics experiments. In noble element systems, it is often coa…
Snowmass Instrumentation Frontier IF08 Topical Group Report: Noble Element Detectors
Carl Eric Dahl, Roxanne Guenette, Jennifer L. Raaf +39
Particle detectors making use of noble elements in gaseous, liquid, or solid phases are prevalent in neutrino and dark matter experiments and are also used to a lesser extent in co…
The Dynamics of Ions on Phased Radio-frequency Carpets in High Pressure Gases and Application for Barium Tagging in Xenon Gas Time Projection Chambers
NEXT Collaboration, B. J. P. Jones, A. Raymond +107
Radio-frequency (RF) carpets with ultra-fine pitches are examined for ion transport in gases at atmospheric pressures and above. We develop new analytic and computational methods f…
Photoelectric absorption cross section of silicon near the band gap from room temperature to sub-Kelvin temperature
C. Stanford, M. J. Wilson, B. Cabrera +6
The use of cryogenic silicon as a detector medium for dark matter searches is gaining popularity. Many of these searches are highly dependent on the value of the photoelectric abso…
Effect on Dark Matter Exclusion Limits from New Silicon Photoelectric Absorption Measurements
Belina von Krosigk, Matthew J. Wilson, Chris Stanford +6
Recent breakthroughs in cryogenic silicon detector technology allow for the observation of single electron-hole pairs released via particle interactions within the target material.…
Sensitivity of a tonne-scale NEXT detector for neutrinoless double beta decay searches
NEXT Collaboration, C. Adams, V. Álvarez +96
The Neutrino Experiment with a Xenon TPC (NEXT) searches for the neutrinoless double-beta decay of Xe-136 using high-pressure xenon gas TPCs with electroluminescent amplification.…
High-field Spatial Imaging of Charge Transport in Silicon at Low Temperature
C. Stanford, R. A. Moffatt, N. A. Kurinsky +9
We present direct imaging measurements of charge transport across a 1 cm x 1 cm x 4 mm-thick crystal of high purity silicon (15 k-cm) at temperatures of 5 K and 500 mK. We…
Measurement of the ion fraction and mobility of Po produced in Rn decays in liquid argon
P. Agnes, I. F. M. Albuquerque, T. Alexander +163
We report measurements of the charged daughter fraction of Po as a result of the Rn alpha decay, and the mobility of Po ions, using radon-polonium coinc…
Spatial Imaging of Charge Transport in Silicon at Low Temperature
R. A. Moffatt, N. A. Kurinsky, C. Stanford +10
We present direct imaging measurements of charge transport across a 1 cm 1 cm 4 mm crystal of high purity silicon (20 kcm) at temperatures between 500 mK a…
Surface background suppression in liquid argon dark matter detectors using a newly discovered time component of tetraphenyl-butadiene scintillation
Chris Stanford, Shawn Westerdale, Jingke Xu +1
Decays of radioisotopes on inner detector surfaces can pose a major background concern for the direct detection of dark matter. While these backgrounds are conventionally mitigated…
DarkSide-50 532-day Dark Matter Search with Low-Radioactivity Argon
The DarkSide Collaboration, P. Agnes, I. F. M. Albuquerque +172
The DarkSide-50 direct-detection dark matter experiment is a dual-phase argon time projection chamber operating at Laboratori Nazionali del Gran Sasso. This paper reports on the bl…
Electroluminescence pulse shape and electron diffusion in liquid argon measured in a dual-phase TPC
P. Agnes, I. F. M. Albuquerque, T. Alexander +163
We report the measurement of the longitudinal diffusion constant in liquid argon with the DarkSide-50 dual-phase time projection chamber. The measurement is performed at drift elec…
The Electronics, Trigger and Data Acquisition System for the Liquid Argon Time Projection Chamber of the DarkSide-50 Search for Dark Matter
DarkSide Collaboration, P. Agnes, I. F. M. Albuquerque +177
The DarkSide-50 experiment at the Laboratori Nazionali del Gran Sasso is a search for dark matter using a dual phase time projection chamber with 50 kg of low radioactivity argon a…
Simulation of argon response and light detection in the DarkSide-50 dual phase TPC
The DarkSide Collaboration, P. Agnes, I. F. M. Albuquerque +147
A Geant4-based Monte Carlo package named G4DS has been developed to simulate the response of DarkSide-50, an experiment operating since 2013 at LNGS, designed to detect WIMP intera…
Cryogenic Characterization of FBK RGB-HD SiPMs
C. E. Aalseth, F. Acerbi, P. Agnes +268
We report on the cryogenic characterization of Red Green Blue - High Density (RGB-HD) SiPMs developed at Fondazione Bruno Kessler (FBK) as part of the DarkSide program of dark matt…
Effect of Low Electric Fields on Alpha Scintillation Light Yield in Liquid Argon
P. Agnes, I. F. M. Albuquerque, T. Alexander +158
Measurements were made of scintillation light yield of alpha particles from the Rn decay chain within the DarkSide-50 liquid argon time projection chamber. The light yield…
CALIS - a CALibration Insertion System for the DarkSide-50 dark matter search experiment
P. Agnes, I. F. M. Albuquerque, T. Alexander +162
This paper describes the design, fabrication, commissioning and use of a CALibration source Insertion System (CALIS) in the DarkSide-50 direct dark matter search experiment. CALIS…
First measurement of surface nuclear recoil background for argon dark matter searches
Jingke Xu, Chris Stanford, Shawn Westerdale +3
One major background in direct searches for weakly interacting massive particles (WIMPs) comes from the deposition of radon progeny on detector surfaces. The most dangerous surface…
The Electronics and Data Acquisition System for the DarkSide-50 Veto Detectors
P. Agnes, L. Agostino, I. F. M. Albuquerque +155
DarkSide-50 is a detector for dark matter candidates in the form of weakly interacting massive particles (WIMPs). It utilizes a liquid argon time projection chamber (LAr TPC) for t…
The veto system of the DarkSide-50 experiment
The DarkSide Collaboration, P. Agnes, L. Agostino +158
Nuclear recoil events produced by neutron scatters form one of the most important classes of background in WIMP direct detection experiments, as they may produce nuclear recoils th…
Results from the first use of low radioactivity argon in a dark matter search
The DarkSide Collaboration, P. Agnes, L. Agostino +158
Liquid argon is a bright scintillator with potent particle identification properties, making it an attractive target for direct-detection dark matter searches. The DarkSide-50 dark…
First Results from the DarkSide-50 Dark Matter Experiment at Laboratori Nazionali del Gran Sasso
P. Agnes, T. Alexander, A. Alton +143
We report the first results of DarkSide-50, a direct search for dark matter operating in the underground Laboratori Nazionali del Gran Sasso (LNGS) and searching for the rare nucle…